| ENERGY TRANSFER COMPANY | Crude oil+3 | 66,586 | 1,318 | 223 |
| ENTERPRISE PRODUCTS OPERATINGLLC | Crude oil+3 | 29,554 | 1,373 | 179 |
| DCP OPERATING COMPANY, LP | Highly volatile liquid+1 | 18,540 | 92 | 94 |
| PLAINS PIPELINE L.P. | Crude oil+3 | 14,842 | 131 | 103 |
| TARGA MIDSTREAM SERVICES LLC | Natural gas+1 | 8,632 | 25 | 39 |
| ONEOK NGL PIPELINE, L.L.C. | Crude oil+3 | 7,524 | 46 | 75 |
| ENTERPRISE CRUDE PIPELINE LLC | Crude oil+1 | 6,514 | 101 | 71 |
| ATMOS PIPELINE - TEXAS | Natural gas | 6,450 | 1,184 | 102 |
| PHILLIPS 66 PIPELINE LLC | Crude oil+3 | 5,513 | 79 | 74 |
| COLT GATHERING (NORTH TEXAS)L.P. | Highly volatile liquid+1 | 5,421 | 95 | 19 |
| WWM OPERATING, LLC | Natural gas | 5,404 | 85 | 51 |
| TARGA PL MID-CONT WESTTEX LLC | Natural gas | 5,212 | 14 | 9 |
| ENLINK MIDSTREAM SERVICES, LLC | Carbon dioxide+2 | 4,885 | 1,348 | 11 |
| KINDER MORGAN TEJAS PIPELINE LLC | Natural gas+1 | 4,501 | 264 | 55 |
| KINDER MORGAN TEXAS PIPELINE LLC | Highly volatile liquid+1 | 3,985 | 142 | 60 |
| HILCORP ENERGY COMPANY | Carbon dioxide+3 | 3,918 | 74 | 45 |
| MAGELLAN PIPELINE COMPANY, L.P. | Crude oil+2 | 3,768 | 59 | 55 |
| DCP INTRASTATE NETWORK, LLC | Natural gas | 3,680 | 57 | 33 |
| ONEOK WESTEX TRANSMISSION,L.L.C. | Natural gas | 3,669 | 28 | 37 |
| NUSTAR LOGISTICS, L.P. | Crude oil+2 | 3,612 | 27 | 59 |
| MIDCOAST PIPELINES (E TX) L.P. | Highly volatile liquid+1 | 3,575 | 110 | 30 |
| UPP OPERATING, LLC | Natural gas | 3,468 | 18 | 12 |
| EOG RESOURCES, INC. | Crude oil+1 | 3,426 | 468 | 38 |
| IACX ROCK CREEK LLC | Natural gas+1 | 3,123 | 5 | 10 |
| NATURAL GAS P/L CO OF AMER LLC | Natural gas | 3,019 | 1 | 54 |
| FLINT HILLS RESOURCES, LC | Other+4 | 2,803 | 103 | 48 |
| EL PASO NATURAL GAS CO, L.L.C. | Natural gas | 2,801 | 1 | 32 |
| WILLIAMS MLP OPERATING LLC | Crude oil+1 | 2,247 | 434 | 18 |
| KINETIK HOLDINGS LP | Crude oil+2 | 2,246 | 485 | 5 |
| EXXONMOBIL PIPELINE COMPANY LLC | Crude oil+3 | 2,241 | 196 | 41 |
| TENNESSEE GAS PIPELINE CO,L.L.C. | Natural gas | 2,153 | 1 | 26 |
| TARGA DOWNSTREAM LLC | Highly volatile liquid | 2,113 | 27 | 37 |
| PALO DURO PIPELNS (TX GATH) L.P. | Highly volatile liquid+1 | 1,980 | 34 | 13 |
| ENLINK PERMIAN, LLC | Crude oil+2 | 1,911 | 65 | 13 |
| CHEVRON PIPE LINE COMPANY | Crude oil+4 | 1,765 | 133 | 15 |
| SEADRIFT PIPELINE, LLC | Highly volatile liquid+1 | 1,744 | 57 | 23 |
| DELAWARE BASIN MIDSTREAM LLC | Natural gas | 1,711 | 14 | 5 |
| ENERFIN FIELD SERVICES LLC | Crude oil+1 | 1,686 | 8 | 46 |
| PERMIAN EXPRESS PARTNERS LLC | Crude oil | 1,672 | 6 | 45 |
| HILCORP FREESTONE GAS SERVICES, | Natural gas | 1,655 | 142 | 6 |
| EQUISTAR CHEMICALS, LP | Highly volatile liquid+2 | 1,616 | 90 | 12 |
| MEDALLION OPERATING COMPANY, LLC | Crude oil | 1,608 | 1 | 12 |
| MERIT ENERGY COMPANY | Natural gas | 1,595 | 39 | 20 |
| SUNOCO PIPELINE L.P. | Crude oil+2 | 1,591 | 11 | 35 |
| ORYX DELAWARE OIL TRANSPORT LLC | Crude oil | 1,581 | 5 | 9 |
| PLAINS MARKETING, L.P. | Crude oil+1 | 1,552 | 6 | 43 |
| TEXOMA COPC, LLC | Crude oil | 1,527 | 12 | 15 |
| MARATHON PIPE LINE LLC | Crude oil+3 | 1,522 | 31 | 36 |
| GULF SOUTH PIPELINE COMPANY, LLC | Natural gas | 1,506 | 1 | 38 |
| CABALLO LOCO MIDSTRM INF II, LLC | Natural gas | 1,459 | 6 | 9 |
| ENBRIDGE HOLDINGS (GRAY OAK) LLC | Crude oil | 1,446 | 18 | 28 |
| DIVERSIFIED MIDSTREAM LLC | Natural gas | 1,382 | 38 | 11 |
| TEXAS EASTERN TRANSMISSION, LP | Natural gas | 1,365 | 1 | 44 |
| SN EF MAVERICK, LLC | Crude oil+1 | 1,340 | 2 | 4 |
| BP PIPELINES (NORTH AMERICA),INC | Crude oil | 1,339 | 1 | 44 |
| LONGFELLOW ENERGY, LP | Natural gas | 1,208 | 4 | 6 |
| HARVEST MIDSTREAM COMPANY | Crude oil+1 | 1,201 | 27 | 24 |
| SCOUT ENERGY MANAGEMENT LLC | Other+3 | 1,179 | 19 | 14 |
| BURLINGTON RESOURCES O & G CO LP | Crude oil+1 | 1,160 | 2 | 8 |
| NORTHERN NATURAL GAS CO. | Natural gas | 1,126 | 2 | 30 |
| SHELL PIPELINE COMPANY LP | Crude oil+3 | 1,107 | 43 | 27 |
| HIGH RIVER RES OPERATING, LLC | Natural gas | 1,088 | 9 | 5 |
| DOW PIPELINE, LLC | Highly volatile liquid+1 | 1,077 | 77 | 11 |
| CHEVRON U. S. A. INC. | Carbon dioxide+3 | 1,072 | 21 | 16 |
| BRAZOS MIDSTREAM OPERATING, LLC | Crude oil+2 | 1,065 | 56 | 6 |
| KINDER MORGAN PRODUCTION CO LLC | Carbon dioxide+2 | 965 | 4 | 12 |
| TPL SOUTHTEX MIDSTREAM LLC | Natural gas | 939 | 12 | 17 |
| SPRINGFIELD PIPELINE LLC | Crude oil+2 | 932 | 23 | 3 |
| EXPLORER PIPELINE COMPANY | Refined liquid product | 918 | 2 | 25 |
| WEST TEXAS GULF PIPE LINE CO LLC | Crude oil | 894 | 1 | 27 |
| WINK TO WEBSTER PIPELINE LLC | Crude oil | 866 | 8 | 22 |
| BURK ROYALTY CO., LTD. | Crude oil+1 | 866 | 2 | 8 |
| WEST TEXAS GAS UTILITY, LLC | Natural gas | 864 | 27 | 23 |
| BKV MIDSTREAM, LLC | Carbon dioxide+1 | 861 | 114 | 10 |
| NAVARRO MIDSTREAM SERVICES, LLC | Crude oil+1 | 858 | 1 | 4 |
| BROOKSTON ENERGY, INC. | Natural gas | 847 | 49 | 6 |
| HOLLY ENERGY PARTNERS-OP, L.P. | Crude oil+1 | 834 | 10 | 24 |
| CANES MIDSTREAM G&P LLC | Natural gas | 830 | 11 | 10 |
| MAGELLAN CRUDE OIL PL CO, L.P. | Crude oil | 816 | 15 | 22 |
| XTO ENERGY INC. | Crude oil+1 | 797 | 28 | 33 |
| TARGA FRIO LASALLE PIPELINE LP | Natural gas+1 | 791 | 2 | 8 |
| COTERRA ENERGY OPERATING CO. | Natural gas | 744 | 2 | 2 |
| MARATHON OIL EF LLC | Crude oil+1 | 739 | 26 | 8 |
| QUATTRO OPERATING, INC. | Natural gas | 737 | 14 | 15 |
| KOCH MIDSTREAM SERVICES CO LLC | Crude oil+1 | 736 | 2 | 15 |
| DAVIS GAS PROCESSING, INC. | Natural gas | 730 | 1 | 10 |
| TRUNKLINE GAS COMPANY, LLC | Natural gas | 708 | 1 | 15 |
| JGE GAS SOLUTIONS, LP | Crude oil+2 | 704 | 19 | 5 |
| CENTANA INTRASTATE PIPELINE, LLC | Natural gas | 697 | 124 | 8 |
| DBM OIL SERVICES LLC | Crude oil+1 | 692 | 25 | 4 |
| TEXAS PIPELINE LLC | Highly volatile liquid+1 | 679 | 23 | 9 |
| BPX EAGLEFORD JV HOLDINGS LLC | Crude oil+1 | 666 | 15 | 6 |
| SULPHUR RIVER GATHERING LLC | Natural gas | 664 | 21 | 10 |
| BRAVO PIPELINE COMPANY | Carbon dioxide | 654 | 19 | 21 |
| COPANO FLD SERV/SOUTH TEXAS LLC | Natural gas | 648 | 12 | 13 |
| INEOS USA LLC | Other+3 | 629 | 54 | 5 |
| OCCIDENTAL PERMIAN LTD. | Carbon dioxide+3 | 624 | 11 | 13 |
| TARGA SOUTHTEX CCNG GATHERING LT | Natural gas | 624 | 12 | 13 |
| CONOCOPHILLIPS PIPE LINE COMPANY | Crude oil+1 | 618 | 7 | 12 |
| EXXONMOBIL OIL CORPORATION | Crude oil+3 | 617 | 42 | 6 |
| TEXAS EASTMAN DIV,EASTMAN CHEMCO | Highly volatile liquid | 615 | 9 | 9 |
| KINDER MORGAN CO2 COMPANY LLC | Carbon dioxide | 614 | 9 | 18 |
| URBAN OIL & GAS GROUP, LLC | Crude oil+1 | 614 | 2 | 18 |
| NOBLE ENERGY INC | Crude oil+1 | 604 | 20 | 13 |
| VMH GAS, LLC | Natural gas | 601 | 73 | 5 |
| FAULCONER ENERGY, LLC | Natural gas | 588 | 11 | 31 |
| WTG GAS TRANSMISSION CO, LLC | Natural gas | 585 | 27 | 26 |
| DELEK CRUDE LOGISTICS, LLC | Crude oil+1 | 585 | 12 | 13 |
| SCM OPS, LLC | Crude oil+2 | 584 | 29 | 6 |
| ENABLE GAS TRANSMISSION, LLC | Natural gas | 563 | 2 | 14 |
| WEST TEXAS GAS, INC. | Natural gas | 557 | 5 | 16 |
| TRANSWESTERN PIPELINE CO., LLC | Natural gas | 522 | 1 | 17 |
| TGNR EAST TEXAS II LLC | Natural gas | 519 | 4 | 5 |
| CRESCENT ENERGY OPERATING, LLC | Crude oil+1 | 515 | 1 | 14 |
| MOTIVA ENTERPRISES LLC | Crude oil+2 | 515 | 66 | 5 |
| P2K PIPELINE COMPANY, LLC | Natural gas | 511 | 1 | 17 |
| DEVON ENERGY PRODUCTION CO, L.P. | Crude oil+1 | 504 | 3 | 8 |
| BUCKEYE DEV. & LOGISTICS I LLC | Highly volatile liquid+2 | 502 | 20 | 19 |
| TARGA DELAWARE LLC | Carbon dioxide+2 | 500 | 12 | 5 |
| MARKWEST PANOLA UTIL CO, L.L.C. | Natural gas | 496 | 13 | 4 |
| EAGLERIDGE OPERATING, LLC | Natural gas | 494 | 45 | 15 |
| AIR PRODUCTS LLC | Other+3 | 489 | 70 | 7 |
| BCE-MACH III LLC | Natural gas | 482 | 4 | 10 |
| DELEK MARKETING & SUPPLY, LP | Crude oil+1 | 473 | 6 | 9 |
| TGNR PANOLA LLC | Crude oil+1 | 471 | 2 | 1 |
| MOBIL PIPE LINE COMPANY | Crude oil+3 | 470 | 17 | 10 |
| BRANCH ENERGY PARTNERS, LLC | Natural gas | 469 | 21 | 2 |
| KINDER MORGAN WINK PIPELINE LLC | Crude oil | 465 | 2 | 15 |
| PETROLEUM FUELS COMPANY, INC. | Natural gas | 465 | 36 | 38 |
| APACHE CORPORATION | Crude oil+1 | 465 | 13 | 7 |
| TARGA SAN ANDRES GAS UTILITY LLC | Highly volatile liquid+1 | 455 | 7 | 4 |
| AIR LIQUIDE LARGE INDUST U.S. LP | Natural gas | 449 | 22 | 12 |
| REPUBLIC COAST PIPELINE, LLC | Natural gas | 439 | 10 | 20 |
| SHOREHAM SOUTH TEXAS, L.L.C. | Crude oil | 437 | 1 | 9 |
| SABINE VALLEY PIPELINE LLC | Natural gas | 435 | 15 | 4 |
| BRAZOS MIDLAND GAS, LLC | Natural gas | 429 | 22 | 8 |
| MAJOR MIDSTREAM OP PARTNERS, LLC | Crude oil+2 | 429 | 1 | 6 |
| ATMOS ENERGY CORP., MID-TEX DIV. | Natural gas | 428 | 58 | 17 |
| LINDE INC. | Natural gas | 428 | 3 | 7 |
| FLAMINGO GAS, INC. | Natural gas | 427 | 1 | 7 |
| CITGO PRODUCTS PIPELINE COMPANY | Highly volatile liquid+1 | 425 | 5 | 16 |
| MAX MIDSTREAM TEXAS, LLC | Crude oil+2 | 419 | 16 | 10 |
| TRAILBLAZER ENERGY RESOURCES,LLC | Natural gas | 412 | 4 | 11 |
| SOUTH BOW INFRASTRUCTURE OPERATI | Crude oil | 406 | 2 | 18 |
| PERMIAN RESOURCES OPERATING, LLC | Crude oil+1 | 405 | 4 | 7 |
| TEXIAN OPERATING COMPANY, LLC | Natural gas | 402 | 3 | 2 |
| COPANO PIPELINES/SOUTH TEXAS LLC | Natural gas | 401 | 24 | 8 |
| VERDUN OIL & GAS LLC | Crude oil+1 | 400 | 14 | 11 |
| TRIDENT INTRASTATE PIPELINE LLC | Natural gas | 399 | 1 | 9 |
| EXXON MOBIL CORPORATION | Carbon dioxide+3 | 391 | 9 | 15 |
| EAGLERIDGE GU, LLC | Natural gas | 383 | 53 | 10 |
| WILDFIRE ENERGY OPERATING LLC | Natural gas | 375 | 14 | 9 |
| VAQUERO PERMIAN GATHERING LLC | Natural gas | 373 | 23 | 5 |
| VALERO TERMINALING & DISTRIB. CO | Crude oil+3 | 371 | 15 | 12 |
| TARGA MIDLAND LLC | Natural gas | 365 | 3 | 4 |
| BOARDWALK TEXAS INTRASTATE, LLC | Natural gas | 361 | 30 | 9 |
| GALVESTON BAY OPERATING CO LLC | Crude oil+1 | 361 | 21 | 2 |
| TGNR EAST TEXAS LLC | Natural gas | 360 | 1 | 2 |
| PDEH LLC | Crude oil+1 | 360 | 23 | 4 |
| VALERO PARTNERS OPERATING CO.LLC | Crude oil+1 | 359 | 14 | 7 |
| PRESIDIO PETROLEUM LLC | Crude oil+2 | 356 | 2 | 9 |
| EASTMAN GAS COMPANY, LLC | Crude oil+1 | 354 | 10 | 16 |
| SUPERIOR MIDSTREAM TEXAS, LLC | Natural gas | 353 | 1 | 2 |
| AXIS MIDSTREAM HOLDINGS, LLC | Crude oil+1 | 351 | 3 | 6 |
| KINDER MORGAN CRUDE & COND. LLC | Crude oil | 350 | 15 | 10 |
| MONTARE OPERATING, LTD. | Crude oil+1 | 347 | 4 | 2 |
| MMGL EAST TEXAS III, LLC | Natural gas | 342 | 1 | 3 |
| MUSTANG EXPRESS PIPELINE, LLC | Natural gas | 341 | 1 | 7 |
| FLORIDA GAS TRANSMISSION CO. LLC | Natural gas | 337 | 1 | 11 |
| EAST TEXAS PIPELINE COMPANY, LLC | Natural gas | 335 | 3 | 12 |
| GRIT OIL & GAS MANAGEMENT, LLC | Crude oil+1 | 330 | 1 | 2 |
| GENESIS PIPELINE TEXAS, L.P. | Crude oil | 328 | 9 | 7 |
| FASKEN OIL AND RANCH, LTD. | Crude oil+2 | 327 | 19 | 5 |
| TARGA NGL PIPELINE COMPANY LLC | Highly volatile liquid+1 | 327 | 30 | 6 |
| LAVACA MIDSTREAM, L.L.C. | Natural gas | 326 | 1 | 3 |
| VERDUN OIL EF II LLC | Crude oil+1 | 319 | 3 | 3 |
| BRANCH MIDCO INVESTMENTS, LLC | Natural gas | 315 | 5 | 4 |
| BLACKHAWK PIPELINE LP | Crude oil | 314 | 6 | 12 |
| COLONIAL PIPELINE COMPANY | Refined liquid product | 314 | 5 | 5 |
| STARTEX FIELD SERVICES, LLC | Natural gas | 305 | 13 | 9 |
| DOW INFRACO, LLC | Highly volatile liquid+2 | 303 | 101 | 1 |
| JAMES LAKE MIDSTREAM LLC | Highly volatile liquid+1 | 299 | 6 | 3 |
| SYDRI OPERATING, LLC | Crude oil+1 | 295 | 23 | 6 |
| ORYX MIDLAND OIL GATHERING LLC | Crude oil | 292 | 1 | 6 |
| FW EAGLE FORD I, LLC | Crude oil+1 | 290 | 1 | 7 |
| GENESIS OFFSHORE HOLDINGS, LLC | Crude oil+1 | 289 | 1 | 4 |
| EQV OPERATING LLC | Crude oil+1 | 280 | 6 | 9 |
| VALENCE OPERATING COMPANY | Natural gas | 278 | 1 | 26 |
| BPX PERMIAN JV HOLDINGS LLC | Crude oil+1 | 276 | 7 | 3 |
| PINNACLE GAS TREATING LLC | Natural gas | 275 | 9 | 6 |
| DISCOVERY NATURAL RESOURCES LLC | Natural gas | 272 | 1 | 1 |
| MARKWEST OKLAHOMA GAS CO, L.L.C. | Natural gas | 269 | 13 | 2 |
| MIDPOINT MIDSTREAM, LLC | Natural gas | 267 | 1 | 3 |
| FORMENTERA OPERATIONS LLC | Crude oil+1 | 264 | 1 | 4 |
| WPX ENERGY PERMIAN, LLC | Crude oil+1 | 263 | 1 | 4 |
| RANGER GAS GATHERING, L.L.C. | Natural gas | 261 | 2 | 3 |
| VALLEY CROSSING PIPELINE, LLC | Natural gas | 260 | 1 | 5 |
| CRESCENDO RESOURCES, L.P. | Natural gas | 256 | 2 | 5 |
| TEXAS GAS SERVICE COMPANY | Natural gas | 255 | 32 | 8 |
| MONUMENT PIPELINE, LP | Natural gas | 255 | 45 | 6 |
| PALINE PIPELINE COMPANY, LLC | Crude oil | 254 | 4 | 9 |
| EAGLE FORD GATHERING LLC | Natural gas | 251 | 7 | 5 |
| STATELINE GATHERING, LLC | Natural gas | 247 | 1 | 2 |
| DOUBLE EAGLE PIPELINE LLC | Crude oil | 242 | 4 | 7 |
| DENBURY GREEN PIPELINE-TEXAS,LLC | Carbon dioxide | 241 | 3 | 9 |
| GIBSON ENERGY INFRA, LLC | Crude oil | 239 | 8 | 4 |
| LAVACA PIPE LINE COMPANY | Highly volatile liquid+2 | 237 | 40 | 3 |
| MURPHY EXPL. & PROD. CO. - USA | Crude oil+1 | 237 | 20 | 6 |
| SABINE ENERGY INC. | Natural gas | 236 | 18 | 7 |
| CRESTWOOD MIDSTREAM PARTNERS LP | Highly volatile liquid+1 | 230 | 4 | 4 |
| PECAN PIPELINE COMPANY | Natural gas | 228 | 10 | 9 |
| ZARVONA ENERGY LLC | Crude oil+1 | 224 | 1 | 6 |
| PALEO MIDSTREAM LLC | Natural gas | 224 | 3 | 12 |
| COPANO NGL SERVICES LLC | Highly volatile liquid | 224 | 5 | 8 |
| MAGNOLIA GAS GATHERING, LLC | Natural gas | 221 | 19 | 10 |
| TX PIPELINE WEBB CO LEAN SYS,LLC | Natural gas | 220 | 1 | 2 |
| UTICA MARCELLUS TX PIPELINE LLC | Highly volatile liquid | 213 | 1 | 7 |
| TEXAS PETROLEUM INVESTMENT CO. | Crude oil+1 | 212 | 4 | 13 |
| CATURUS ENERGY, LLC | Crude oil+1 | 208 | 16 | 4 |
| BKV BARNETT II, LLC | Natural gas | 208 | 25 | 8 |
| COPANO PIPELINES/UP GLFCOAST LLC | Natural gas | 206 | 29 | 5 |
| UPHAM OIL & GAS COMPANY | Natural gas | 203 | 2 | 4 |
| EAGLE FORD MIDSTREAM LLC | Natural gas | 203 | 10 | 5 |
| TEXROCK PIPELINE, LLC | Natural gas | 198 | 1 | 8 |
| SUE-ANN OPERATING, L.C. | Natural gas | 194 | 1 | 5 |
| COPANO NGL SERV (MARKHAM), LLC | Highly volatile liquid | 193 | 10 | 7 |
| DIAMOND SHAMROCK REF. & MKTG CO | Crude oil | 192 | 1 | 3 |
| WOODWAY BLUEBONNET PIPELINE LLC | Natural gas | 191 | 26 | 5 |
| TARGA SOUTHERN DELAWARE LLC | Natural gas | 191 | 2 | 4 |
| PHILLIPS PIPE LINE CO. | Crude oil+1 | 191 | 1 | 6 |
| PIONEER NATURAL RES. USA, INC. | Crude oil+2 | 191 | 7 | 8 |
| JAVELIN ENERGY PARTNERS MGMT LLC | Crude oil+1 | 189 | 6 | 7 |
| CONOCOPHILLIPS COMPANY | Crude oil+1 | 189 | 3 | 6 |
| SCURRY MIDSTREAM, LLC | Natural gas | 189 | 7 | 2 |
| AMP TEXAS PIPELINES, LLC | Natural gas | 188 | 5 | 4 |
| PIONEER GAS PIPELINE, INC. | Natural gas | 188 | 3 | 9 |
| ALON USA, LP | Natural gas+1 | 187 | 4 | 10 |
| GEMINI CARTHAGE PIPELINE, LLC | Natural gas | 186 | 131 | 2 |
| ECHO CANYON PIPELINE, LLC | Crude oil | 185 | 8 | 5 |
| NET MEXICO PIPELINE PARTNERS,LLC | Natural gas | 182 | 16 | 6 |
| MUSTANG PIPELINE COMPANY | Highly volatile liquid | 182 | 6 | 4 |
| BUCKHORN OPERATING LLC | Natural gas | 179 | 1 | 4 |
| UNITED BRINE PIPELINE CO, LLC | Refined liquid product | 177 | 1 | 7 |
| OXY USA INC. | Crude oil+1 | 175 | 6 | 5 |
| PROLINE ENERGY RESOURCES INC | Natural gas | 174 | 4 | 18 |
| OZONA PIPELINE ENERGY CO, LLC | Natural gas | 171 | 3 | 2 |
| STONEWATER PIPELINE COMPANY LLC | Natural gas | 169 | 3 | 4 |
| NILE MIDSTREAM, LLC | Crude oil+1 | 167 | 2 | 4 |
| TARGA GAS PIPELINE LLC | Natural gas | 167 | 16 | 7 |
| HEP OLEFINS, LP | Highly volatile liquid | 165 | 3 | 6 |
| TRES PALACIOS GAS STORAGE LLC | Natural gas | 165 | 1 | 3 |
| MONARCH OIL PIPELINE, LLC | Crude oil | 164 | 3 | 2 |
| WEBB/DUVAL GATHERERS | Natural gas | 164 | 9 | 2 |
| TIVOLI SERVICES, LLC | Crude oil | 162 | 9 | 6 |
| COMSTOCK OIL & GAS, LLC | Natural gas | 160 | 9 | 5 |
| VARAS ENERGY OPERATING COMPANY, | Natural gas | 160 | 8 | 8 |
| KNIGHT WARRIOR LLC | Crude oil | 159 | 1 | 5 |
| ROBERT C. BROWER, LLC | Natural gas | 159 | 1 | 2 |
| BLACKBIRD R 22 OG L.L.C. | Natural gas | 159 | 1 | 5 |
| CATAHOULA MIDSTREAM LLC | Natural gas | 156 | 1 | 2 |
| DOS CAMINOS, LLC | Natural gas | 155 | 3 | 3 |
| ANR PIPELINE COMPANY | Natural gas | 152 | 1 | 6 |
| ANDEAVOR LOGISTICS RIO PL LLC | Crude oil | 152 | 1 | 6 |
| TGG SHELBY ASSETS, LLC | Natural gas | 151 | 92 | 3 |
| TARGA SAN ANDRES CRUDE PIPELINE | Crude oil | 151 | 3 | 1 |
| INDEPENDENT REFINING CORP | Crude oil+1 | 150 | 1 | 1 |
| RED RIVER GAS SERVICES INC. | Natural gas | 150 | 1 | 2 |
| SULPHUR RIVER EXPLORATION, INC. | Crude oil+1 | 150 | 3 | 6 |
| ATMOS ENERGY,WEST TEXAS DIVISION | Natural gas | 148 | 9 | 14 |
| E2 OPERATING LLC | Natural gas | 147 | 1 | 1 |
| WAGNER OIL COMPANY | Natural gas | 147 | 8 | 14 |
| WILLIAMS MIDSTREAM GAS SVC LLC | Natural gas | 146 | 3 | 2 |
| FUELS COTTON VALLEY GATH, LLC | Natural gas | 146 | 19 | 3 |
| WHITE MARLIN OPERATING CO, LLC | Crude oil+1 | 145 | 10 | 6 |
| PANHANDLE EASTERN P/L CO., LP | Natural gas | 145 | 1 | 4 |
| PNG GAS TRANSMISSION CO., LLC | Natural gas | 144 | 10 | 7 |
| DCP NGL OPERATING, LLC | Crude oil+2 | 142 | 7 | 8 |
| KOCH PIPELINE COMPANY, L.P. | Crude oil | 141 | 2 | 5 |
| WORSHAM-STEED GAS STORAGE, LLC | Highly volatile liquid+1 | 140 | 27 | 4 |
| LONE STAR LAND & ENERGY II, LLC | Natural gas | 140 | 1 | 1 |
| CAPTUREPOINT LLC | Carbon dioxide | 140 | 1 | 3 |
| TEJON TRTNG AND SOLUTIONS LLC | Natural gas | 138 | 9 | 3 |
| PALO DURO TEG, LLC | Highly volatile liquid | 138 | 6 | 5 |
| KUDU MIDSTREAM LLC | Natural gas | 138 | 16 | 4 |
| EVERLINE COMPLIANCE, LLC | Carbon dioxide+1 | 136 | 11 | 10 |
| LUBBOCK GAS GATHERING LTD., LLP | Natural gas | 136 | 7 | 2 |
| DCP OPERATING COMPANY, LP | Natural gas | 136 | 1 | 3 |
| TORRENT OIL LLC | Crude oil+1 | 135 | 13 | 5 |
| TPC GROUP LLC | Highly volatile liquid+1 | 134 | 25 | 3 |
| MIDCONTINENT EXPRESS PIPELINELLC | Natural gas | 134 | 1 | 7 |
| CPS ENERGY | Natural gas+1 | 134 | 10 | 6 |
| UCAR PIPELINE, LLC | Natural gas | 133 | 1 | 5 |
| WTG BEXAR TRANSMISSION, LLC | Natural gas | 133 | 3 | 4 |
| HEADINGTON ENERGY PARTNERS, LLC | Crude oil+1 | 132 | 1 | 2 |
| SABINE ETX GATHERING UTILITY LLC | Natural gas | 131 | 6 | 2 |
| LATIGO PETROLEUM, LLC | Natural gas | 131 | 1 | 7 |
| WILDFIRE ENERGY MIDSTREAM LLC | Natural gas | 130 | 12 | 4 |
| EASTRANS, LLC | Natural gas | 130 | 10 | 2 |
| DIAMONDBACK E&P LLC | Crude oil+1 | 128 | 7 | 6 |
| KINDER MORGAN NORTH TEXAS PL LLC | Natural gas | 128 | 2 | 6 |
| ENCRESCENT, LLC | Natural gas | 127 | 3 | 4 |
| DFW MIDSTREAM SERVICES LLC | Natural gas | 127 | 62 | 4 |
| CAPITAL STAR OIL & GAS, INC. | Natural gas | 127 | 15 | 5 |
| FARADAY PIPELINE CO. | Crude oil+1 | 127 | 2 | 6 |
| LAMAR OIL & GAS, INC. | Crude oil+1 | 127 | 30 | 6 |
| CAPROCK MIDSTREAM SOUTH TEXAS LL | Natural gas | 127 | 3 | 4 |
| PANTERA ENERGY COMPANY | Natural gas | 124 | 1 | 4 |
| BCE-MACH II LLC | Natural gas | 124 | 1 | 3 |
| VESS OIL CORPORATION | Natural gas | 123 | 1 | 2 |
| TIVOLI MIDSTREAM CB1 LLC | Other+1 | 122 | 6 | 2 |
| TR OFFSHORE, LLC | Natural gas | 121 | 13 | 3 |
| OXYROCK OPERATING, LLC | Crude oil+1 | 120 | 1 | 5 |
| KINDER MORGAN CRUDE OIL PL LLC | Crude oil | 119 | 2 | 1 |
| WBI MIDSTREAM LLC | Natural gas | 119 | 2 | 3 |
| PERMICO MIDSTREAM, LLC | Natural gas | 118 | 3 | 5 |
| HALCON OPERATING CO., INC. | Crude oil+1 | 117 | 3 | 4 |
| CARDINAL DELAWARE BASIN, LLC | Highly volatile liquid+1 | 116 | 2 | 2 |
| OCCIDENTAL CHEMICAL CORPORATION | Highly volatile liquid+2 | 116 | 12 | 6 |
| REMORA MANAGEMENT, LLC | Natural gas | 116 | 1 | 2 |
| SM ENERGY COMPANY | Crude oil+1 | 114 | 7 | 5 |
| HARVEST PIPELINE COMPANY | Crude oil+1 | 114 | 7 | 7 |
| TRISTATE NLA, LLC | Natural gas | 113 | 1 | 3 |
| ADVANTAGE PIPELINE LLC | Crude oil | 113 | 5 | 4 |
| TX PIPELINE WEBB CO RICH SYS,LLC | Natural gas | 113 | 1 | 1 |
| PICKTON GAS STORAGE LLC | Natural gas | 113 | 9 | 7 |
| ESCONDIDO RESOURCES OPER CO, LLC | Natural gas | 111 | 1 | 2 |
| PHILLIPS 66 COMPANY | Crude oil+3 | 110 | 14 | 2 |
| OXY USA WTP LP | Carbon dioxide+2 | 109 | 5 | 9 |
| CHEVRON MIDSTREAM SERVICES, LLC | Crude oil | 108 | 9 | 3 |
| TARGA SOUTHTEX NGL PIPELINE LTD. | Crude oil+1 | 108 | 12 | 3 |
| DIXIE PIPELINE COMPANY LLC | Highly volatile liquid | 108 | 1 | 4 |
| PALO PINTO BOND COMPANY, LLC | Natural gas | 108 | 2 | 1 |
| LINCE MIDSTREAM, LLC | Natural gas | 107 | 1 | 1 |
| AMP II ETX GATHERING I, LLC | Natural gas | 106 | 12 | 2 |
| CHAPARRAL ENERGY, L.L.C. | Carbon dioxide+3 | 106 | 12 | 13 |
| SEMCRUDE, L.P. | Crude oil | 105 | 1 | 5 |
| REGENCY ENERGY, INC. | Natural gas | 105 | 2 | 3 |
| KINDER MORGAN OPERATING LLC "A" | Highly volatile liquid | 104 | 1 | 4 |
| HANLON GAS SERVICES, LLC | Natural gas | 103 | 1 | 1 |
| TARGA MIDLAND CRUDE LLC | Crude oil | 102 | 1 | 2 |
| DAYLIGHT PETROLEUM LLC | Crude oil+1 | 101 | 20 | 2 |
| ELLIOTT OIL & GAS OPERATING CO. | Natural gas | 101 | 1 | 5 |
| AMARILLO NATURAL GAS, INC. | Natural gas | 101 | 18 | 11 |
| R. LACY SERVICES, LTD. | Natural gas | 100 | 4 | 2 |
| PETRO-HUNT PERMIAN, LLC | Natural gas | 100 | 1 | 2 |
| PRODUCERS GAS GATHERING JV | Natural gas | 98 | 7 | 13 |
| REMORA OPERATING, LLC | Natural gas | 98 | 4 | 10 |
| ENBRIDGE PIPELINES (TX INTRA) LP | Natural gas | 98 | 5 | 6 |
| CARNERO G&P LLC | Natural gas | 96 | 7 | 3 |
| LIBERTY ENERGY FUTURE HLDNGS LLC | Natural gas | 95 | 3 | 3 |
| HIGH ISLAND GAS LLC | Crude oil+1 | 95 | 14 | 3 |
| VICTORIA EXPRESS PIPELINE,L.L.C. | Crude oil+1 | 94 | 3 | 2 |
| WES BRASADA PROCESSING LLC | Highly volatile liquid+1 | 94 | 4 | 2 |
| EAGLE OIL & GAS CO. | Natural gas | 92 | 8 | 5 |
| TRECORA PIPELINE LLC | Highly volatile liquid+1 | 92 | 7 | 3 |
| DALLAS PETROLEUM GROUP, LLC | Crude oil+1 | 92 | 2 | 11 |
| PHILLIPS 66 DOS PICOS LLC | Natural gas+1 | 90 | 16 | 3 |
| ATLAS OPERATING LLC | Carbon dioxide+1 | 90 | 6 | 8 |
| SUTHERLAND ENERGY CO., LLC | Natural gas | 90 | 1 | 2 |
| HOUSTON PIPE LINE COMPANY LP | Crude oil+1 | 89 | 3 | 6 |
| BOARDWALK ETHANE PIPELINE COMPAN | Highly volatile liquid | 89 | 3 | 3 |
| BASA RESOURCES, INC. | Crude oil+1 | 89 | 5 | 8 |
| STATELINE CRUDE, LLC | Crude oil | 88 | 1 | 2 |
| SAN JACINTO PIPELINE, LLC | Natural gas | 88 | 2 | 4 |
| MARKWEST ENERGY W TX GAS CO, LLC | Highly volatile liquid+1 | 88 | 12 | 3 |
| HESCO GATHERING COMPANY, L.L.C. | Natural gas | 88 | 3 | 3 |
| LT GATHERING, LLC | Natural gas | 88 | 1 | 5 |
| COLUMBUS ENERGY, LLC | Natural gas | 88 | 4 | 3 |
| SHOREHAM PIPELINE COMPANY | Crude oil+1 | 88 | 3 | 12 |
| OLD UNION OPERATING COMPANY | Natural gas | 87 | 2 | 4 |
| SABALO II OPERATING, LLC | Crude oil+1 | 87 | 2 | 1 |
| WHITE ROCK OIL & GAS, LLC | Crude oil+1 | 86 | 1 | 2 |
| IMPERIAL CRUDE, LLC | Crude oil | 85 | 4 | 4 |
| DCP NGL SERVICES, LLC | Crude oil+1 | 85 | 8 | 2 |
| CRATON OPERATING LLC | Natural gas | 84 | 8 | 8 |
| POLARIS PIPELINE SYSTEMS, LLC | Natural gas | 83 | 1 | 2 |
| BORDERTOWN ENERGY RESOURCES, LLC | Natural gas | 83 | 1 | 2 |
| UNBRIDLED RESOURCES, LLC | Natural gas | 83 | 1 | 7 |
| CALPINE TEXAS PIPELINE, L.P. | Natural gas | 82 | 11 | 10 |
| HOUSTON OIL & MINERALS CORP. | Natural gas | 82 | 1 | 1 |
| THE SAN ANTONIO REFINERY LLC | Crude oil | 82 | 3 | 2 |
| VALERO REFINING - TEXAS, L.P. | Crude oil+3 | 81 | 34 | 2 |
| HIGHMARK ENERGY OPERATING, LLC | Natural gas | 81 | 2 | 4 |
| PETROVYBE OPCO LLC | Natural gas | 79 | 3 | 6 |
| BLOCK "T" PETROLEUM, INC. | Carbon dioxide+2 | 79 | 3 | 4 |
| BETA CRUDE CONNECTOR, LLC | Crude oil | 79 | 12 | 4 |
| DEWBRE PETROLEUM CORPORATION | Natural gas | 78 | 18 | 9 |
| JEFFERSON BLOCK 24 OIL & GAS LLC | Crude oil+1 | 78 | 8 | 1 |
| TRP OPERATING LLC | Natural gas | 77 | 1 | 3 |
| SEM OPERATING COMPANY LLC | Natural gas | 77 | 1 | 3 |
| BUFFALO RUN PIPELINE LLC | Natural gas | 77 | 9 | 4 |
| ENLINK NGL PIPELINE, LP | Highly volatile liquid | 77 | 1 | 5 |
| PANTHER PIPELINE, LLC | Natural gas | 77 | 8 | 2 |
| PRAXAIR, INC. | Natural gas+1 | 77 | 1 | 4 |
| CITGO REF. & CHEMICALS CO. L.P. | Crude oil+2 | 76 | 22 | 1 |
| SFPP, L.P. | Refined liquid product | 76 | 3 | 1 |
| WESTERN REFINING PIPELINE, LLC | Crude oil | 76 | 1 | 3 |
| ADAMAS ENERGY LLC | Natural gas | 76 | 3 | 3 |
| MAGNOLIA OIL & GAS OPERATING LLC | Crude oil+1 | 76 | 1 | 9 |
| TICONA POLYMERS, INC. | Natural gas+1 | 76 | 5 | 3 |
| BLM PIPELINE, INC. | Natural gas | 75 | 1 | 2 |
| P1 ENERGY, LLC | Natural gas | 74 | 1 | 5 |
| OUTER LOOP UTILITY, LLC | Natural gas | 74 | 1 | 3 |
| CRESCENT PIPELINE PRNSHP, L.P. | Natural gas | 74 | 7 | 2 |
| CAMINO REAL GAS GATHERING CO LLC | Natural gas | 74 | 9 | 1 |
| WGSI ENTERPRISE LLC | Natural gas | 74 | 4 | 2 |
| MMGL TXPH, LLC | Natural gas | 74 | 4 | 3 |
| WARWICK-ARTEMIS, LLC | Natural gas | 73 | 1 | 5 |
| CODY ENERGY LLC | Natural gas | 73 | 1 | 5 |
| SPOT TERMINAL OPERATING LLC | Crude oil | 73 | 1 | 2 |
| EL TORO RESOURCES LLC | Natural gas | 71 | 1 | 2 |
| J.P. OIL COMPANY, INC. | Natural gas | 71 | 2 | 3 |
| FORESTA GATHERING, LLC | Natural gas | 71 | 2 | 2 |
| COPANO FLD SERV/AGUA DULCE, L.P. | Natural gas | 70 | 1 | 5 |
| SOUTHERN STAR CENT. GAS P/L,INC. | Natural gas | 70 | 1 | 1 |
| TRINITY PIPELINE GP LLC | Carbon dioxide+1 | 70 | 1 | 5 |
| TCRG DRILLING & OPERATING, LLC | Natural gas | 69 | 1 | 4 |
| AMERRIL ENERGY LLC | Natural gas | 69 | 4 | 2 |
| APEX NATURAL GAS, LLC | Natural gas | 69 | 50 | 2 |
| SHERIDAN PRODUCTION CO III, LLC | Natural gas | 69 | 14 | 7 |
| WESTERN GAS INTERSTATE CO, LLC | Natural gas | 68 | 1 | 3 |
| CANES MIDSTREAM LOGISTICS LLC | Crude oil | 68 | 1 | 1 |
| EXTEX OPERATING COMPANY | Natural gas | 68 | 2 | 7 |
| AGUA TRANQUILLO MIDSTREAM LLC | Crude oil+1 | 68 | 9 | 2 |
| BPX (KARNES) GATHERING LLC | Natural gas | 68 | 1 | 1 |
| MAGELLAN AMMONIA PIPELINE, L.P. | Other | 68 | 1 | 3 |
| TWO P PARTNERS, LLC | Natural gas | 67 | 1 | 1 |
| MARTIN OPERATING PARTNERSHIP LP | Highly volatile liquid+2 | 67 | 8 | 6 |
| CAMINO REAL GATHERING CO. L.L.C. | Crude oil | 66 | 6 | 1 |
| THOMPSON WEBSTER PIPELINE, INC. | Crude oil | 66 | 4 | 3 |
| WESTERN REFINING CONAN GATH, LLC | Crude oil | 66 | 1 | 1 |
| IMPACT MIDSTREAM, LLC | Natural gas | 65 | 4 | 3 |
| NAVIGATOR PANHANDLE HOLDCO LLC | Crude oil | 65 | 1 | 2 |
| 84 ENERGY LLC | Crude oil+1 | 65 | 3 | 9 |
| REPSOL OIL & GAS USA, LLC | Crude oil+1 | 65 | 14 | 5 |
| E. & M. TECH INC. | Natural gas | 64 | 1 | 1 |
| LAKE CRYSTAL OPERATING LLC | Natural gas | 64 | 1 | 2 |
| CDE PIPELINE LLC | Crude oil | 63 | 1 | 3 |
| STATELINE PROCESSING, LLC | Natural gas | 63 | 1 | 2 |
| AMP INTRASTATE PIPELINE, LLC | Natural gas | 63 | 2 | 3 |
| HARVARD PETROLEUM COMPANY, LLC | Natural gas | 62 | 1 | 2 |
| SCURRY CRUDE GATHERING LLC | Crude oil | 61 | 1 | 2 |
| BESCO OPERATING, L.P. | Natural gas | 61 | 7 | 4 |
| DALLAS PRODUCTION COMPANY LLC | Natural gas | 61 | 2 | 5 |
| WOODWARD APPLE SPRINGS, LLC | Natural gas | 61 | 6 | 2 |
| MOBIL PRODUCING TX. & N.M. INC. | Natural gas | 61 | 1 | 6 |
| MBB MIDSTREAM, LLC | Highly volatile liquid | 61 | 1 | 3 |
| THUNDERBOLT OIL & GAS, INC. | Natural gas | 61 | 1 | 2 |
| ANR FIELD SERVICES COMPANY | Natural gas | 60 | 1 | 6 |
| GOLDEN PASS PIPELINE LLC | Natural gas | 59 | 2 | 3 |
| COPANO FLD SER/UP GULF COAST LLC | Natural gas | 59 | 17 | 3 |
| BUCKEYE DEV. & LOGISTICS II LLC | Crude oil+3 | 59 | 13 | 4 |
| IRONWOOD OPERATING COMPANY LLC | Crude oil | 59 | 5 | 4 |
| BKV NORTH TEXAS, LLC | Natural gas | 58 | 6 | 5 |
| BSR GAS MARKETING, LTD. | Natural gas | 58 | 2 | 5 |
| SILVER STAR OPERATING CO., LLC | Natural gas | 58 | 2 | 2 |
| MOMENTUM OPERATING CO., INC. | Natural gas | 57 | 2 | 3 |
| MESA VISTA OPERATING, LLC | Natural gas | 57 | 3 | 1 |
| BARNETT GATHERING, LLC | Natural gas | 57 | 2 | 2 |
| PHOENIX PARK ENERGY MARKETING LL | Highly volatile liquid | 57 | 4 | 4 |
| CINCO NATURAL RESOURCES CORP. | Natural gas | 57 | 3 | 2 |
| TANDEM ENERGY CORPORATION | Crude oil+1 | 57 | 4 | 1 |
| RING ENERGY, INC. | Crude oil+1 | 57 | 1 | 2 |
| MIDCON EXPRESS, LLC | Natural gas | 56 | 1 | 2 |
| ENCINAL GATHERING, LTD. | Natural gas | 56 | 1 | 2 |
| GREENGASCO, LLC | Natural gas | 55 | 1 | 3 |
| SUPERIOR MIDSTREAM, LLC | Natural gas | 55 | 1 | 3 |
| WHARTON GATHERING, LLC | Natural gas | 55 | 1 | 2 |
| ALTURA ENERGY LTD. | Natural gas | 55 | 1 | 7 |
| GULFMARK ENERGY, INC. | Crude oil | 55 | 2 | 3 |
| HEADWATERS ENERGY PARTNERS, LLC | Natural gas | 55 | 3 | 10 |
| REEF INTERNATIONAL, LLC | Natural gas | 54 | 1 | 3 |
| COLORADO INTRSTATE GAS CO,L.L.C. | Natural gas | 54 | 1 | 2 |
| MAGNUM PRODUCING, LP | Natural gas | 54 | 1 | 18 |
| ENBRIDGE INGLESIDE OIL PL, LLC | Crude oil | 54 | 2 | 2 |
| JAY MANAGEMENT COMPANY, LLC | Natural gas | 53 | 1 | 5 |
| MILAGRO EXPLORATION, LLC | Natural gas | 53 | 5 | 7 |
| INDORAMA VENTURES OXIDES LLC | Highly volatile liquid+2 | 53 | 12 | 1 |
| MIDDLETON OIL COMPANY | Natural gas | 52 | 1 | 1 |
| CITY OF SPUR | Natural gas | 52 | 1 | 3 |
| WOLFCAMP ENERGY, LLC | Natural gas | 52 | 2 | 2 |
| GREYHOUND GAS COMPANY LLC | Natural gas | 52 | 1 | 1 |
| OXEA CORPORATION | Highly volatile liquid | 52 | 1 | 2 |
| MCGOWAN WORKING PARTNERS, INC. | Crude oil+1 | 52 | 2 | 5 |
| EXXON CORP. | Crude oil+2 | 52 | 1 | 7 |
| BROWNSVILLE PUBLIC UTILITIES BRD | Natural gas | 51 | 1 | 2 |
| BREITBURN OPERATING L.P. | Carbon dioxide | 51 | 1 | 1 |
| DUVAL GAS GATHERING CORPORATION | Natural gas | 51 | 1 | 2 |
| AMERICAN MIDSTR OFFSH (SEACR) LP | Natural gas | 50 | 6 | 1 |
| TOPS PIPELINE, LLC | Natural gas | 50 | 14 | 2 |
| TRIPLE CROWN RESOURCES, LLC | Natural gas | 50 | 5 | 1 |
| ARCH OIL & GAS, LLC | Crude oil+1 | 50 | 1 | 5 |
| LPC CRUDE III PIPELINE A, LLC | Crude oil | 50 | 1 | 2 |
| RAYVEN GAS PROCESSING LP | Natural gas | 50 | 1 | 2 |
| DAVIS PETROLEUM PIPELINE LLC | Crude oil+2 | 50 | 4 | 3 |
| SILVER HILL ENERGY OPERATING LLC | Natural gas | 49 | 11 | 8 |
| EMPIRE TEXAS OPERATING LLC | Natural gas | 49 | 1 | 2 |
| WINDOW OPERATING CO., THE | Natural gas | 49 | 1 | 2 |
| UNION OIL COMPANY OF CALIFORNIA | Highly volatile liquid+1 | 49 | 4 | 4 |
| PELICAN RESERVE PIPELINE COMPANY | Natural gas | 49 | 4 | 1 |
| TTLENRGES PTROCHM & REF USA, INC | Crude oil+3 | 49 | 14 | 1 |
| PARTEN OPERATING INC. | Natural gas | 49 | 2 | 5 |
| U.S. DEPARTMENT OF ENERGY | Crude oil | 48 | 1 | 3 |
| SEVEN CROSS OPERATING, LLC | Natural gas | 48 | 1 | 1 |
| DCP GUADALUPE PIPELINE, LLC | Natural gas | 48 | 5 | 8 |
| MID VALLEY PIPELINE COMPANY LLC | Crude oil | 48 | 1 | 2 |
| HRB OPERATING COMPANY, INC. | Natural gas | 47 | 1 | 5 |
| OVINTIV USA INC. | Crude oil+1 | 46 | 2 | 4 |
| LAGUNA TEXAS RESOURCES, LLC | Natural gas | 46 | 1 | 2 |
| STEVENS GAS COMPANY | Natural gas | 46 | 1 | 1 |
| ARETE OPERATING COMPANY, LLC | Natural gas | 46 | 1 | 2 |
| STEPHENS & JOHNSON OPERATING CO. | Natural gas | 46 | 1 | 4 |
| RED WATER RESOURCES, INC. | Crude oil+1 | 46 | 1 | 2 |
| CONTINUUM MIDSTREAM, L.L.C. | Natural gas | 45 | 1 | 5 |
| NORTH TEXAS OIL & GAS, LLC | Natural gas | 45 | 2 | 2 |
| FREEDOM PIPELINE, LLC | Natural gas | 45 | 4 | 3 |
| SEVEN M GAS CORPORATION | Natural gas | 45 | 1 | 1 |
| BALCONES STARR PIPELINE | Natural gas | 45 | 1 | 2 |
| DAPL-ETCO OPERATIONS MANAGEMENT, | Crude oil | 45 | 1 | 4 |
| WMJ INVESTMENTS CORP. | Natural gas | 45 | 1 | 2 |
| LAYTON ENERGY INC. | Crude oil+1 | 44 | 6 | 1 |
| DTM LOUISIANA GATHERING, LLC | Natural gas | 44 | 1 | 1 |
| KM LIQUIDS TERMINALS LLC | Crude oil+2 | 44 | 33 | 2 |
| KILLAM OIL CO., LTD. | Natural gas | 44 | 4 | 4 |
| AMERICO ENERGY RESOURCES, LLC | Natural gas | 44 | 4 | 2 |
| SONERRA RESOURCES CORPORATION | Natural gas | 44 | 1 | 1 |
| SAN ANTONIO PIPELINE CORPORATION | Refined liquid product | 44 | 2 | 3 |
| BRYAN WOODBINE GATHERING, INC. | Crude oil+1 | 44 | 2 | 1 |
| HILCORP GAS SERVICES, LLC | Natural gas | 43 | 14 | 3 |
| TTC CONNECTOR, LLC | Natural gas | 43 | 1 | 2 |
| BB-SOUTHTEX, LLC | Crude oil | 43 | 1 | 3 |
| GEL TEXAS PIPELINE, LLC | Crude oil | 43 | 6 | 2 |
| O'RYAN OIL AND GAS | Crude oil+1 | 42 | 1 | 5 |
| TR RODESSA, INC. | Natural gas | 42 | 2 | 2 |
| SAN MATEO WOLF PIPELINE, LLC | Crude oil+1 | 42 | 1 | 1 |
| NEW HORIZON INVESTMENTS LTD. | Natural gas | 42 | 1 | 2 |
| LARGE OPERATING LLC | Natural gas | 41 | 1 | 2 |
| CITGO PIPELINE COMPANY | Crude oil | 41 | 1 | 3 |
| NEUMIN PRODUCTION COMPANY | Natural gas | 41 | 4 | 3 |
| MATADOR PRODUCTION COMPANY | Crude oil+1 | 41 | 1 | 3 |
| LEWIS PETRO PROPERTIES, INC. | Natural gas | 40 | 1 | 2 |
| ENBRIDGE PIPELINES (TX GATH) LP | Crude oil+1 | 40 | 1 | 4 |
| BRP ENERGY, LLC | Natural gas | 40 | 1 | 2 |
| BLACKBRUSH O & G, LLC | Natural gas | 40 | 2 | 3 |
| PNG PRODUCTION, LLC | Natural gas | 40 | 1 | 2 |
| RIVERBIRCH RESOURCES, LLC | Natural gas | 40 | 2 | 3 |
| FORTUNE RESOURCES LLC | Natural gas | 40 | 11 | 8 |
| BEDROCK ENERGY PARTNERS, LLC | Natural gas | 40 | 2 | 1 |
| R & N GAS LINE CO. | Natural gas | 39 | 1 | 1 |
| SANTA ANNA OPERATING 3, LLC | Natural gas | 39 | 1 | 2 |
| AROC (TEXAS) INC. | Natural gas | 39 | 3 | 1 |
| ROSEWOOD RESOURCES, INC. | Crude oil+1 | 39 | 1 | 8 |
| CREST PETROLEUM, LLC | Crude oil+1 | 39 | 3 | 3 |
| BUFFCO PRODUCTION INC. | Natural gas+1 | 38 | 3 | 12 |
| CITATION OIL & GAS CORP. | Crude oil+1 | 38 | 2 | 5 |
| GATEWAY OFFSHORE PIPELINE CO. | Crude oil+1 | 38 | 5 | 2 |
| SOUTHWESTERN PUBLIC SERVICE CO. | Natural gas | 38 | 4 | 4 |
| HEP JAVELINA COMPANY, LLC | Highly volatile liquid+1 | 38 | 3 | 2 |
| AMP ANGELINA, LLC | Natural gas | 38 | 8 | 1 |
| SHELL WESTERN E&P | Crude oil+1 | 38 | 1 | 6 |
| REO OPERATING LLC | Highly volatile liquid+1 | 38 | 2 | 2 |
| EDGEWATER MIDSTREAM PASADENA LLC | Refined liquid product | 37 | 22 | 1 |
| ANCHOR CRUDE MARKETING, LLC | Crude oil | 37 | 2 | 3 |
| FIVE-JAB, INC. | Natural gas | 37 | 2 | 1 |
| BOWLES ENERGY, INC. | Natural gas | 37 | 2 | 4 |
| HAWK GATHERING CO., LTD. | Natural gas | 37 | 8 | 1 |
| INEOS USA OIL & GAS LLC | Crude oil+1 | 37 | 1 | 3 |
| CIMAREX ENERGY CO. OF COLORADO | Natural gas | 37 | 1 | 2 |
| CELANESE CHEMICALS INC. | Highly volatile liquid+1 | 37 | 6 | 2 |
| PELES, LLC | Crude oil+1 | 36 | 3 | 2 |
| SQUARE MILE ENERGY, L.L.C. | Natural gas | 36 | 1 | 4 |
| SLOCUM GAS GATHERING CO., INC. | Natural gas | 36 | 1 | 1 |
| HIBERNIA RESOURCES IV, LLC | Natural gas | 36 | 7 | 4 |
| MAGELLAN PIPELINES HOLDINGS,L.P. | Crude oil+1 | 36 | 10 | 3 |
| MAGELLAN OPERATING COMPANY, LLC | Crude oil+1 | 36 | 7 | 1 |
| COASTLAND OPERATIONS, LLC | Crude oil+1 | 36 | 8 | 4 |
| FIELD PETROLEUM CORP. | Natural gas | 36 | 1 | 1 |
| RED STAG OPERATING, LLC | Natural gas | 35 | 1 | 1 |
| FCPP PIPELINE, LLC | Natural gas | 35 | 2 | 2 |
| ANGLER PIPELINE, LLC | Highly volatile liquid | 35 | 1 | 1 |
| BLUE CUBE OPERATIONS LLC | Natural gas+1 | 35 | 9 | 1 |
| MEWBOURNE OIL COMPANY | Natural gas | 35 | 1 | 6 |
| RW MILLER POWER, LLC | Natural gas | 35 | 2 | 2 |
| CJW CORPORATION | Natural gas | 34 | 1 | 1 |
| DARA OPERATING COMPANY, LLC | Natural gas | 34 | 1 | 3 |
| BULL RUN PIPELINE LLC | Natural gas | 34 | 4 | 4 |
| SABINE PIPE LINE LLC | Natural gas | 34 | 1 | 2 |
| COPANO FLD SERV/NORTH TEXAS, LLC | Natural gas | 34 | 1 | 1 |
| HOOKS GAS PIPELINE, LLC | Natural gas | 34 | 6 | 3 |
| SANDEL OPERATING COMPANY | Natural gas | 34 | 2 | 5 |
| AUTERRA OPERATING, LLC | Crude oil+1 | 34 | 2 | 1 |
| MPH BASTROP LATERAL, LLC | Natural gas | 34 | 1 | 2 |
| PETROHAWK OPERATING COMPANY | Natural gas | 34 | 2 | 3 |
| KOLLAO PROPERTIES LLC | Natural gas | 34 | 1 | 1 |
| GAITHER PETROLEUM CORPORATION | Crude oil+1 | 34 | 6 | 6 |
| CEDAR OIL COMPANY | Natural gas | 34 | 1 | 2 |
| WEATHERLY OIL & GAS, LLC | Natural gas | 34 | 1 | 3 |
| APL SOUTHTEX MIDSTREAM LLC | Natural gas | 34 | 2 | 5 |
| DKM ENTERPRISES, L.L.C. | Natural gas | 33 | 3 | 1 |
| LGS RENEWABLES I, L.C. | Natural gas | 33 | 1 | 2 |
| JACK COUNTY POWER, LLC | Natural gas | 33 | 4 | 3 |
| HILL-LAKE GAS STORAGE, LLC | Highly volatile liquid+1 | 33 | 5 | 1 |
| BRAZOS MIDSTREAM OPRTNG III, LLC | Crude oil+1 | 33 | 6 | 1 |
| PURSUIT OIL & GAS STX, LLC | Natural gas | 33 | 2 | 2 |
| PURE RESOURCES, L.P. | Natural gas | 33 | 1 | 2 |
| KALER ENERGY CORP. | Natural gas | 33 | 4 | 8 |
| TRANSPACIFIC ENERGY, LLC | Natural gas | 33 | 1 | 3 |
| LAMAY CORPORATION | Natural gas | 32 | 3 | 5 |
| DIAMOND M DRLG & EXPL CO. | Natural gas | 32 | 1 | 1 |
| SMALL, R.P. CORP. | Natural gas | 32 | 2 | 2 |
| PINNACLE NATURAL GAS COMPANY | Natural gas | 32 | 1 | 6 |
| LYNX OPERATING CO., INC. | Natural gas | 32 | 2 | 1 |
| TEXAS GULFLINK, LLC | Crude oil | 32 | 1 | 1 |
| PRIMAL ENERGY CORPORATION | Natural gas | 32 | 1 | 1 |
| MARATHON ASHLAND PIPE LINE LLC | Crude oil | 32 | 1 | 3 |
| ENHANCED ENERGY PARTNERS CORP | Crude oil+1 | 31 | 1 | 2 |
| DIAMONDBACK PIPELINE L.L.C. | Highly volatile liquid | 31 | 2 | 1 |
| AMOCO PIPELINE COMPANY | Natural gas | 31 | 1 | 1 |
| BRAZORIA INTERCONNECT GAS PL LLC | Natural gas | 31 | 1 | 1 |
| MORRIS R. GREENHAW OIL&GAS, INC | Natural gas | 31 | 1 | 3 |
| NEW GENERATION GAS GATHERING LLC | Natural gas | 31 | 1 | 2 |
| MMGL EAST TEXAS II, LLC | Crude oil | 31 | 4 | 1 |
| PG-M INTERNATIONAL OPERATING,LLC | Natural gas | 31 | 1 | 1 |
| J-TEC PRODUCTION, LLC | Natural gas | 31 | 1 | 2 |
| MARKWEST ENERGY E TX GAS CO, LLC | Crude oil+1 | 31 | 6 | 1 |
| MERCY OIL & GAS INC. | Natural gas | 31 | 1 | 1 |
| COLLINGSWORTH GAS GATHERING, LLC | Natural gas | 31 | 1 | 2 |
| NECHES TRANSPORT INC. | Natural gas | 30 | 1 | 3 |
| DBM PIPELINE LLC | Natural gas | 30 | 2 | 3 |
| LAS ANIMAS NATURAL GAS COMPANY | Natural gas | 30 | 1 | 4 |
| DM BLUEBONNET LLC | Natural gas | 30 | 3 | 2 |
| BOARDWALK PURITY PL CO, LLC | Highly volatile liquid+1 | 30 | 2 | 2 |
| CANTERA OPERATING, LLC | Natural gas | 30 | 2 | 2 |
| ASCEND PERFORMANCE MATERIALS TEX | Other | 30 | 1 | 1 |
| SENTINEL MIDSTREAM OPERATING LLC | Crude oil | 30 | 4 | 1 |
| TARGA INTRASTATE PIPELINE LLC | Natural gas | 30 | 1 | 4 |
| HIBBARD ENERGY, LP | Natural gas | 29 | 3 | 5 |
| HALL-HOUSTON EXPL. II, L.P. | Natural gas | 29 | 2 | 2 |
| BROWN BASSETT PIPELINE, LLC | Natural gas | 29 | 2 | 1 |
| TEXAS AMERICAN RESOURCES COMPANY | Natural gas | 29 | 2 | 3 |
| VANTAGE OPERATING II, LLC | Natural gas | 29 | 1 | 1 |
| EMERALD GATHER AND TRANS, LLC | Crude oil+1 | 29 | 4 | 1 |
| MARABOU SUPERIOR PIPELINE, LLC | Natural gas | 29 | 8 | 10 |
| OWL OPS LLC | Natural gas | 29 | 1 | 3 |
| LOW CARBON LOGISTICS CCS TRANS | Carbon dioxide | 29 | 2 | 1 |
| DAVIS SOUTHERN OPERATING CO LLC | Natural gas | 28 | 1 | 3 |
| EL PASO REMEDIATION COMPANY | Natural gas | 28 | 3 | 8 |
| PETROLIA GROUP, L.L.C. | Natural gas | 28 | 1 | 1 |
| ROBERTS & HAMMACK INC. | Natural gas | 28 | 1 | 1 |
| VETERAN EXPLORATION & PROD, LLC | Natural gas | 28 | 1 | 1 |
| MLC OPERATING, LP | Natural gas | 28 | 1 | 2 |
| HOME PETROLEUM CORP. | Natural gas | 28 | 1 | 5 |
| RIO-TEX, INC. | Natural gas | 28 | 1 | 1 |
| NORTHFIELD ENTERPRISES, INC. | Natural gas | 28 | 1 | 2 |
| BEEHIVE OPERATING, LLC | Natural gas | 27 | 2 | 4 |
| D. O. G. OPERATING, LLC | Natural gas | 27 | 1 | 1 |
| EXCO OPERATING COMPANY, LP | Crude oil+1 | 27 | 1 | 3 |
| RANGE PRODUCTION COMPANY | Natural gas | 27 | 1 | 1 |
| SAN PATRICIO PIPELINE LLC | Natural gas | 27 | 1 | 1 |
| JET OIL PRODUCERS, INC. | Natural gas | 27 | 1 | 1 |
| POTAC, LLC | Crude oil+3 | 27 | 33 | 2 |
| ORX RESOURCES, L.L.C. | Natural gas | 27 | 12 | 7 |
| BRUSHY CREEK MIDSTREAM LP | Natural gas | 27 | 1 | 2 |
| NETCO PIPELINE, L.L.C. | Natural gas | 27 | 1 | 2 |
| CONTINENTAL RESOURCES, INC. | Natural gas | 27 | 1 | 1 |
| AGP ENERGY SERVICES LLC | Natural gas | 26 | 2 | 2 |
| BHP BILLITON PET (TX GATH), LLC | Crude oil | 26 | 1 | 1 |
| CANES INTRASTATE PIPELINE LLC | Natural gas | 26 | 1 | 2 |
| FIELDWOOD ENERGY LLC | Crude oil+1 | 26 | 7 | 4 |
| FORT APACHE ENERGY, INC. | Natural gas | 26 | 1 | 5 |
| SOUTHCROSS GATHERING LTD. | Natural gas | 26 | 1 | 2 |
| JETTA OPERATING COMPANY, INC. | Crude oil+1 | 26 | 3 | 4 |
| PRAIRIE SWITCH MIDSTREAM, LLC | Natural gas | 26 | 1 | 1 |
| RAMTEX ENERGY LLC | Natural gas | 26 | 1 | 6 |
| SMITH PRODUCTION INC. | Natural gas | 26 | 3 | 4 |
| THE LUBRIZOL CORPORATION | Refined liquid product | 26 | 1 | 1 |
| ATINUM ENERGY, INC. | Crude oil+1 | 26 | 2 | 1 |
| SM OPERATING COMPANY LLC | Natural gas | 26 | 2 | 4 |
| SCHUCH PIPELINE PARTNERSHIP | Natural gas | 26 | 1 | 2 |
| FOURTH FLOOR OPERATING LLC | Natural gas | 26 | 1 | 1 |
| CHITTIM OPERATING LLC | Natural gas | 26 | 1 | 1 |
| ORO RESOURCES, LLC | Crude oil+1 | 26 | 1 | 2 |
| TARGA PIPELINE MID-CONTINENT LLC | Natural gas | 26 | 1 | 1 |
| TIDEWATER MINERALS CORPORATION | Natural gas | 26 | 2 | 1 |
| ASSENT ENERGY PARTNERS, LLC | Natural gas | 26 | 2 | 1 |
| GOLDEN TRIANGLE STORAGE, LLC | Natural gas | 26 | 1 | 2 |
| SANDRIDGE MIDSTREAM, INC. | Natural gas | 25 | 1 | 1 |
| LINDER, JOHN OPERATING CO., LLC | Natural gas | 25 | 2 | 6 |
| INCENDIUM RESOURCES LLC | Natural gas | 25 | 1 | 1 |
| UNION GAS PIPELINE, LLC | Natural gas | 25 | 2 | 2 |
| HIDDEN ROCK MIDSTREAM, LLC | Natural gas | 25 | 1 | 2 |
| CANES MIDSTREAM PRODUCTS LLC | Highly volatile liquid | 25 | 2 | 4 |
| WALL GAS PIPELINE COMPANY, INC. | Natural gas | 25 | 1 | 1 |
| LINN OPERATING, LLC | Natural gas | 25 | 1 | 2 |
| BALD EAGLE OPERATING INC. | Natural gas | 25 | 1 | 2 |
| DMV PIPELINE LLC | Natural gas | 25 | 1 | 2 |
| MIDSTATES PETROLEUM COMPANY LLC | Natural gas | 24 | 1 | 1 |
| SOUTHWEST GAS SYSTEMS, INC. | Natural gas | 24 | 2 | 1 |
| JAMEX, INC. | Natural gas | 24 | 3 | 5 |
| FIREBIRD ENERGY II LLC | Natural gas | 24 | 1 | 3 |
| TEXACO TRADING AND TRANSP. INC. | Crude oil | 24 | 1 | 1 |
| SAMSON EXPLORATION, LLC | Natural gas | 24 | 1 | 7 |
| ENRON PIPELINE SERVICES COMPANY | Crude oil | 24 | 1 | 1 |
| VENTEX OPERATING CORP. | Natural gas | 24 | 2 | 1 |
| GULF ENERGY STORAGE SERVICES INC | Natural gas | 24 | 2 | 2 |
| CALGAS LLC | Natural gas | 24 | 2 | 1 |
| R3 OPERATING CORPORATION | Natural gas | 24 | 1 | 1 |
| TGNR GULF COAST LLC | Natural gas | 24 | 1 | 2 |
| TRYALL, INC | Natural gas | 23 | 1 | 1 |
| LAKESHORE OPERATING, LLC | Natural gas | 23 | 3 | 2 |
| DELAWARE BASIN JV GATHERING LLC | Refined liquid product | 23 | 1 | 1 |
| MORTIMER PRODUCTION COMPANY | Natural gas | 23 | 3 | 3 |
| VALERO HOUSTON REFINERY | Crude oil+3 | 23 | 11 | 1 |
| TRI-C RESOURCES, LLC | Natural gas | 23 | 3 | 5 |
| PEARL, BILL H. PRODUCTIONS, INC. | Natural gas | 23 | 1 | 7 |
| PRIME OPERATING COMPANY | Natural gas | 23 | 1 | 5 |
| BLACK ELK ENERGY OFFSHORE OP LLC | Natural gas | 23 | 8 | 2 |
| RUSK ENERGY OPERATING LLC | Crude oil+1 | 23 | 1 | 2 |
| KINDER MORGAN TEJAS PIPELINE, LP | Natural gas | 23 | 2 | 7 |
| POST OAK MIDSTREAM, L.L.C. | Natural gas | 23 | 7 | 1 |
| PETROQUEST ENERGY, L.L.C. | Natural gas | 23 | 1 | 1 |
| CRAWFORD HUGHES OPERATING CO. | Natural gas | 23 | 2 | 3 |
| CEDAR RIDGE ENERGY, INC. | Natural gas | 23 | 1 | 1 |
| ENSERCH EXPLORATION, INC | Natural gas | 23 | 1 | 2 |
| JACK RUSSELL OIL, LLC | Natural gas | 23 | 1 | 1 |
| CAPCO OFFSHORE OF TEXAS, INC. | Natural gas | 23 | 4 | 1 |
| M. E. OPERATING & SERVICES, INC. | Natural gas | 23 | 1 | 5 |
| BUCKEYE TEXAS HUB LLC | Crude oil+2 | 23 | 18 | 1 |
| HILLTOP RESORT GS, LLC | Natural gas | 23 | 2 | 2 |
| MOSS BLUFF HUB, LLC | Natural gas | 22 | 4 | 2 |
| ROSEFIELD OPERATING COMPANY, LLC | Crude oil | 22 | 1 | 1 |
| SHOCO PRODUCTION LLC | Natural gas | 22 | 1 | 4 |
| AMP II ETX GATHERING II, LLC | Natural gas | 22 | 4 | 2 |
| BASS, PERRY R., INC | Natural gas | 22 | 1 | 1 |
| MUSTANG ISLAND GATHERING, LLC | Natural gas | 22 | 2 | 1 |
| BRAZOS PIPELINE CO., L.L.C. | Natural gas | 22 | 2 | 2 |
| BALLARD EXPLORATION COMPANY,INC. | Natural gas | 22 | 3 | 4 |
| INFINITY OIL & GAS OF TX, INC. | Natural gas | 22 | 1 | 1 |
| VTX ENERGY OPERATING, LLC | Crude oil+1 | 22 | 3 | 1 |
| ETX GATHERING, LLC | Natural gas | 22 | 9 | 1 |
| HULL GAS PLANT, L.P. | Natural gas | 22 | 1 | 1 |
| RADIUS OPERATING, LLC | Natural gas | 22 | 1 | 2 |
| ENABLE MISS RIVER TRANS, LLC | Natural gas | 22 | 1 | 1 |
| BLUE DOLPHIN PIPE LINE CO. | Natural gas | 21 | 1 | 2 |
| CONWAY ENERGY OPER SERVICES INC. | Natural gas | 21 | 1 | 1 |
| FOREST OIL CORPORATION | Natural gas | 21 | 1 | 1 |
| AMP NGL PIPELINES, LLC | Highly volatile liquid | 21 | 1 | 2 |
| CHARRO OPERATING, L.L.C. | Natural gas | 21 | 1 | 3 |
| STERLING ENERGY, INC. | Natural gas | 21 | 2 | 2 |
| CARIBBEAN ENERGY LLC II | Natural gas | 21 | 3 | 1 |
| WARWICK POSEIDON, GP | Natural gas | 21 | 7 | 1 |
| MCLEAN GAS PROCESSING CO, L.L.C. | Highly volatile liquid | 21 | 1 | 1 |
| MADISON PIPE LINE COMPANY | Natural gas | 21 | 1 | 1 |
| KZ GLOBAL ENERGY, LLC | Natural gas | 21 | 1 | 1 |
| COPANO FLD SERV/S. TEXAS, L.P. | Natural gas | 21 | 1 | 1 |
| THREE SPAN OIL & GAS, INC. | Natural gas | 21 | 1 | 2 |
| MINERAL TECHNOLOGIES, INC. | Natural gas | 21 | 1 | 1 |
| TC OIL AND GAS, LLC | Natural gas | 21 | 1 | 1 |
| TRISTATE RTX, LLC | Natural gas | 21 | 6 | 1 |
| GENESIS PRODUCING COMPANY, L.P. | Natural gas | 21 | 2 | 2 |
| SIANA OIL & GAS | Natural gas | 21 | 1 | 4 |
| PATTERSON ENERGY CORPORATION | Natural gas | 20 | 1 | 2 |
| HFOTCO LLC | Crude oil+1 | 20 | 5 | 1 |
| HUGHES, DAN A. COMPANY, L.P. | Natural gas | 20 | 1 | 3 |
| TEXLINE GAS COMPANY, LLC | Natural gas | 20 | 1 | 2 |
| FLETCHER OPERATING, LLC | Natural gas | 20 | 1 | 3 |
| MITSUI E&P USA LLC | Natural gas | 20 | 4 | 2 |
| COLLEGIATE MIDSTREAM LLC | Crude oil+1 | 20 | 2 | 1 |
| PETRO-SMITH OPERATING LLC | Natural gas | 20 | 4 | 3 |
| HUGOTON OPERATING COMPANY, INC. | Natural gas | 20 | 1 | 4 |
| VENTURE GLOBAL CP EXPRESS, LLC | Natural gas | 20 | 1 | 2 |
| CGP OPERATING, LLC | Natural gas | 20 | 1 | 2 |
| TEXXOL OPERATING COMPANY, INC. | Natural gas | 20 | 1 | 2 |
| WELDERXP LTD. | Natural gas | 20 | 1 | 3 |
| CONSOL ASSET MNGT SVCS (TX),LLC | Natural gas | 20 | 1 | 1 |
| PEVELER PIPELINE, LP | Natural gas | 20 | 7 | 1 |
| MARION PIPELINE COMPANY, LLC | Natural gas | 20 | 2 | 5 |
| CENTERPOINT ENERGY ENTEX | Natural gas | 20 | 1 | 5 |
| GATEWAY PIPELINE COMPANY LLC | Natural gas | 20 | 3 | 3 |
| STRAND ENERGY, L.C. | Crude oil+1 | 20 | 1 | 3 |
| FOWLER OIL & GAS LLC | Natural gas | 20 | 2 | 2 |
| EL PASO FIELD SERVICES, L.P. | Crude oil+1 | 20 | 2 | 4 |
| L.C.S. PRODUCTION COMPANY | Natural gas | 20 | 2 | 3 |
| NOREGA GATHERING, LLC | Natural gas | 20 | 2 | 1 |
| PERLMAN, WILLIAM | Natural gas | 19 | 1 | 1 |
| LLOG EXPLORATION TEXAS, L.P. | Natural gas | 19 | 2 | 1 |
| TIDELANDS OIL CORPORATION | Natural gas | 19 | 1 | 1 |
| IMPULSORA PIPELINE, LLC | Natural gas | 19 | 1 | 1 |
| CONTINENTAL OPERATING CO. | Crude oil | 19 | 1 | 1 |
| BRAZOS LATERAL HOLDING CORP. | Natural gas | 19 | 1 | 2 |
| PANTHER INTERSTATE PL ENERGY,LLC | Natural gas | 19 | 1 | 1 |
| PAWNEE PIPELINE, LLC | Natural gas | 19 | 1 | 2 |
| ALTA MESA SERVICES, LP | Natural gas | 19 | 3 | 5 |
| BEAR SPRINGS OIL & GAS, L.L.C | Natural gas | 19 | 1 | 1 |
| MASCOT OIL COMPANY | Natural gas | 19 | 1 | 1 |
| OLIPDP II, LLC | Natural gas | 19 | 3 | 7 |
| WFS-PIPELINE COMPANY | Natural gas | 19 | 1 | 2 |
| LILLIS, MICHAEL D. | Natural gas | 19 | 2 | 2 |
| CARDINAL GATHERING SYSTEM, L.P. | Natural gas | 19 | 1 | 3 |
| ENTERPRISE PRODUCTS OPERATING LP | Highly volatile liquid+1 | 19 | 3 | 4 |
| LONE STAR GAS CO. | Natural gas | 19 | 1 | 3 |
| CITY PUBLIC SERVICE BOARD | Refined liquid product | 18 | 1 | 2 |
| GALLOWAY ENERGY CO. | Natural gas | 18 | 2 | 4 |
| TREK RESOURCES, INC. | Crude oil+1 | 18 | 2 | 6 |
| DOMINION OKLAHOMA TEXAS E&P, INC | Natural gas | 18 | 3 | 6 |
| MARTIN MATRIX INC. | Natural gas | 18 | 1 | 1 |
| FIELDWOOD ONSHORE LLC | Natural gas | 18 | 2 | 4 |
| BE ANADARKO II, LLC | Natural gas | 18 | 1 | 3 |
| ENBRIDGE INGLESIDE LPG PL, LLC | Highly volatile liquid | 18 | 1 | 1 |
| SKYBRIDGE ENERGY LLC | Natural gas | 18 | 1 | 1 |
| CIVITAS PERMIAN OPERATING, LLC | Crude oil+1 | 18 | 2 | 4 |
| BIG THICKET PIPELINE, LLC | Natural gas | 18 | 1 | 1 |
| ANTELOPE ENERGY PARTNERS, LLC | Natural gas | 18 | 1 | 2 |
| FINALY RESOURCES LLC | Natural gas | 18 | 1 | 1 |
| NEC OPERATING, LLC | Natural gas | 18 | 2 | 2 |
| JM INVESTMENTS, L.L.C. | Natural gas | 18 | 2 | 2 |
| PGPL, L.C. | Natural gas | 18 | 2 | 2 |
| GRETA OPERATING COMPANY LLC | Natural gas | 18 | 1 | 1 |
| FREEPORT LNG DEVELOPMENT, L.P. | Natural gas | 18 | 3 | 1 |
| BRAMMER PETROLEUM, INC. | Natural gas | 18 | 1 | 1 |
| TERAX ENERGY, INC. | Natural gas | 18 | 1 | 1 |
| ROYAL PRODUCTION COMPANY, INC. | Natural gas | 17 | 4 | 4 |
| OCELOT ENERGY MANAGEMENT LLC | Refined liquid product | 17 | 1 | 1 |
| GULF ENERGY EXPLORATION CORP. | Natural gas | 17 | 1 | 1 |
| ASHER RESOURCES | Natural gas | 17 | 1 | 1 |
| JAYHAWK PIPELINE OF KANSAS, LLC | Crude oil | 17 | 1 | 1 |
| ARROWHEAD PRODUCTIONS, LP | Natural gas | 17 | 4 | 4 |
| ATLAS OIL & GAS EXPLORATION, LLC | Crude oil+1 | 17 | 2 | 1 |
| OAKRIDGE OIL AND GAS, LP | Natural gas | 17 | 1 | 1 |
| PLAINS PIPELINE MIDCON LLC | Crude oil | 17 | 1 | 1 |
| UNION GAS OPERATING COMPANY | Natural gas | 17 | 4 | 2 |
| PETEX | Natural gas | 17 | 1 | 4 |
| LINDOW OIL & GAS, LLC | Natural gas | 17 | 2 | 3 |
| CARRIZO EXPLORATION, INC. | Natural gas | 17 | 1 | 1 |
| GULF COAST ENERGY, INC. | Natural gas | 17 | 3 | 6 |
| SAMSON LONE STAR, LLC | Crude oil+1 | 17 | 1 | 3 |
| TOTALFINAELF E&P USA INC | Natural gas | 17 | 1 | 1 |
| KOCH PIPELINES, INC. | Refined liquid product | 17 | 1 | 1 |
| LIBRA ENERGIES, INC. | Natural gas | 17 | 1 | 6 |
| WYNN-CROSBY OPERATING, LTD. | Natural gas | 17 | 2 | 2 |
| WALTER OIL & GAS CORPORATION | Natural gas | 16 | 1 | 3 |
| ENDEAVOR ENERGY RESOURCES L.P. | Crude oil+1 | 16 | 1 | 6 |
| ROSETTA RESOURCES OPERATING LP | Natural gas | 16 | 1 | 1 |
| RAINBOW PIPE LINE COMPANY | Natural gas | 16 | 1 | 3 |
| KINDER MORGAN RANGER LLC | Natural gas | 16 | 3 | 3 |
| ETC TIGER PIPELINE, LLC | Natural gas | 16 | 1 | 1 |
| RRP OPERATING LLC | Natural gas | 16 | 1 | 2 |
| ETEX GAS, INC. | Natural gas | 16 | 1 | 3 |
| SURGE OPERATING, LLC | Crude oil+1 | 16 | 1 | 1 |
| PHILLIPS, JACK L. CO. | Natural gas | 16 | 1 | 3 |
| HENRY PETROLEUM LLC | Natural gas | 16 | 1 | 4 |
| CAPITAN ENERGY, INCORPORATED | Natural gas | 16 | 1 | 1 |
| BAYLOR OPERATING, LLC | Natural gas | 16 | 1 | 1 |
| NELSON, JAMES L. | Natural gas | 16 | 1 | 1 |
| XOG OPERATING LLC | Natural gas | 16 | 3 | 1 |
| ENSTOR KATY STORAGE & TRANSP LP | Natural gas | 16 | 6 | 2 |
| MOMENTUM PRODUCTION CORP. | Natural gas | 16 | 1 | 1 |
| SOJOURNER DRILLING CORPORATION | Natural gas | 16 | 1 | 5 |
| LINC GULF COAST PETROLEUM, INC. | Crude oil+1 | 16 | 1 | 1 |
| CLEARFORK GAS CO. | Natural gas | 16 | 1 | 1 |
| VANCO OIL & GAS CORP. | Natural gas | 16 | 1 | 4 |
| TREND GATHERING & TREATING, LP | Natural gas | 16 | 2 | 1 |
| EL PASO OFFSHORE GATH & TRAN CO | Crude oil | 16 | 1 | 1 |
| AMBER PIPELINE COMPANY | Refined liquid product | 16 | 1 | 1 |
| ENERGY RESERVES GROUP, L.L.C. | Crude oil | 16 | 1 | 1 |
| ENERVEST OPERATING, L.L.C. | Natural gas | 16 | 1 | 4 |
| MAGELLAN TERMINALS HOLDINGS,L.P. | Refined liquid product | 16 | 12 | 2 |
| TARGA NORTHERN DELAWARE LLC | Natural gas | 16 | 1 | 2 |
| ROCKSPRINGS GATHERING, LLC | Natural gas | 15 | 1 | 1 |
| WHITING OIL AND GAS CORPORATION | Crude oil+1 | 15 | 1 | 3 |
| R2Q OPERATING LLC | Natural gas | 15 | 3 | 3 |
| GULFTEX ENERGY, LLC | Natural gas | 15 | 2 | 5 |
| LASATER & CO, INC. | Natural gas | 15 | 1 | 2 |
| RIDGE OIL COMPANY | Natural gas | 15 | 1 | 1 |
| BOARDWALK PETROCHEMICAL PL, LLC | Highly volatile liquid | 15 | 2 | 2 |
| CARR RESOURCES, INC. | Natural gas | 15 | 2 | 5 |
| WATSON OIL & GAS, INC. | Natural gas | 15 | 1 | 2 |
| BIG RUN PRODUCTION COMPANY | Natural gas | 15 | 1 | 2 |
| ONYX PIPELINE COMPANY | Natural gas | 15 | 5 | 4 |
| KINDER MORGAN KEYSTONE G S LLC | Natural gas | 15 | 10 | 1 |
| INTERCONTINENTAL TERMINAL CO LLC | Highly volatile liquid | 15 | 2 | 1 |
| PARIS GENERATION LP | Natural gas | 15 | 1 | 1 |
| VISTA RESOURCES LLC | Natural gas | 15 | 1 | 1 |
| MARATHON OIL COMPANY | Natural gas | 15 | 1 | 1 |
| CP EXPLORATION TX OPERATING LLC | Natural gas | 15 | 1 | 1 |
| 4 J'S PRODUCTION | Natural gas | 15 | 1 | 1 |
| M5OEXIT, LLC | Natural gas | 15 | 1 | 1 |
| GEORGETOWN GAS PIPELINE COMPANY | Natural gas | 15 | 1 | 2 |
| OGS PIPELINE LLC | Natural gas | 15 | 2 | 3 |
| PETROTX OPERATING, LLC | Natural gas | 15 | 2 | 1 |
| ADDAX MIDSTREAM LLC | Natural gas | 15 | 10 | 2 |
| 1776 ENERGY OPERATORS, LLC | Natural gas | 15 | 1 | 2 |
| MISSION RIVER SYSTEMS, INC. | Natural gas | 15 | 1 | 1 |
| TEXAS SOUTHERN PETROLEUM CORP. | Natural gas | 15 | 1 | 2 |
| HELMERICH & PAYNE ENERGY SERVICE | Natural gas | 15 | 1 | 1 |
| RIMROCK PIPELINE, LLC | Natural gas | 15 | 1 | 1 |
| LAKE RONEL OIL COMPANY | Natural gas | 15 | 1 | 2 |
| GALVESTON BAY PIPELINE COMPANY | Natural gas | 14 | 1 | 2 |
| GALVESTON BAY ENERGY, LLC | Natural gas | 14 | 3 | 2 |
| SEAGULL ENERGY CORPORATION | Natural gas | 14 | 1 | 4 |
| LBC HOUSTON, L.P. | Refined liquid product | 14 | 4 | 1 |
| AES ALLY ENERGY SOLUTIONS, LLC | Natural gas | 14 | 2 | 1 |
| DOUBLE EIGHT OIL COMPANY LLC | Natural gas | 14 | 1 | 1 |
| SLAWSON EXPLORATION COMPANY, INC | Natural gas | 14 | 1 | 3 |
| SEIRAN E & P COMPANY, LLC | Crude oil+1 | 14 | 1 | 1 |
| TEXAS MIDSTREAM GAS SVCS, LLC | Natural gas | 14 | 1 | 1 |
| TEXAS GAS TRANSMISSION, LLC | Natural gas | 14 | 1 | 1 |
| NEW HEIGHT ENERGY, LLC | Natural gas | 14 | 1 | 3 |
| MAXIMUS OPERATING, LTD. | Crude oil+1 | 14 | 2 | 4 |
| BASIN OIL & GAS OPERATING, LLC | Natural gas | 14 | 1 | 1 |
| RENAISSANCE OFFSHORE, LLC | Crude oil | 14 | 1 | 1 |
| COG OPERATING LLC | Natural gas | 14 | 1 | 2 |
| MW PETROLEUM CORPORATION | Natural gas | 14 | 1 | 1 |
| UNION PACIFIC RESOURCES COMPANY | Highly volatile liquid+1 | 14 | 1 | 4 |
| HEP JAVELINA PIPELINE CO, LLC | Natural gas | 14 | 5 | 1 |
| ANDERSON OIL LTD. | Crude oil+1 | 14 | 5 | 2 |
| NEWFIELD EXPL (GC) PL CO., L.P. | Natural gas | 14 | 1 | 2 |
| CRIMSON EXPLORATION OPER., INC. | Natural gas | 14 | 1 | 2 |
| TALCO MIDSTREAM ASSETS, LTD. | Natural gas | 14 | 1 | 1 |
| SAFARI PRODUCTION COMPANY, INC. | Natural gas | 14 | 1 | 3 |
| BPX OPERATING COMPANY | Natural gas | 14 | 2 | 4 |
| PADRE RESOURCES, INC. | Natural gas | 14 | 1 | 1 |
| ANGEL OPERATING LLC | Crude oil+1 | 14 | 1 | 1 |
| NAVY PIPELINE COMPANY | Natural gas | 14 | 1 | 2 |
| ARLEDGE GAS GATHERING, LP | Natural gas | 14 | 1 | 2 |
| ROLLO RESOURCES, LLC | Natural gas | 13 | 1 | 2 |
| BASF CORPORATION | Other+2 | 13 | 3 | 2 |
| IV STANDARD, LLC | Natural gas | 13 | 4 | 3 |
| WEST TYLER PIPELINE, LLC | Natural gas | 13 | 4 | 3 |
| ARCADIA OPERATING, LLC | Natural gas | 13 | 3 | 5 |
| AIR PRODUCTS & CHEMICALS, INC. | Refined liquid product | 13 | 1 | 1 |
| COASTAL PLAINS ENERGY, INC. | Natural gas | 13 | 1 | 1 |
| MOUNTAIN V TEXAS, LLC | Natural gas | 13 | 1 | 1 |
| RUTHERFORD OIL CORPORATION | Natural gas | 13 | 2 | 5 |
| BLUEFISH PIPELINE LLC | Refined liquid product | 13 | 3 | 1 |
| EXCALIBUR E & P, LLC | Natural gas | 13 | 1 | 1 |
| NAVITAS PIPELINE TEXAS, LLC | Natural gas | 13 | 1 | 2 |
| SAGE NATURAL RESOURCES LLC | Natural gas | 13 | 8 | 8 |
| GARRISON LTD | Natural gas | 13 | 1 | 1 |
| HANNAH ISLAND GATHERING SYSTEM | Crude oil+1 | 13 | 1 | 2 |
| PEDERNALES PETROLEUM OP, LLC | Natural gas | 13 | 1 | 1 |
| U.S. ENERGY DEVELOPMENT CORP | Natural gas | 13 | 1 | 3 |
| SEEK ENERGY, LLC | Natural gas | 13 | 1 | 2 |
| HAYS PARTNERSHIP | Natural gas | 13 | 2 | 1 |
| ARKOMA PIPELINE CORP. | Natural gas | 13 | 1 | 2 |
| NGG GATHERING COMPANY, LLC | Natural gas | 13 | 3 | 1 |
| CCGM EXPLORATION & PROD.,L.C. | Natural gas | 13 | 1 | 1 |
| RATTLESNAKE OPERATING CO, LLC | Natural gas | 13 | 1 | 1 |
| COPANO FLD SERV/COPANO BAY, L.P. | Natural gas | 13 | 1 | 1 |
| B D PRODUCTION CO., INC. | Natural gas | 13 | 1 | 4 |
| UNION CARBIDE CORP. | Highly volatile liquid+2 | 13 | 5 | 2 |
| EAST TEXAS PIPELINE UTILITY, LLC | Natural gas | 13 | 3 | 3 |
| RIDGEMAR ENERGY OPERATING, LLC | Crude oil | 13 | 1 | 1 |
| CCI CORPUS CHRISTI INFRA LLC | Crude oil | 13 | 1 | 2 |
| DARCY ENERGY LLC | Natural gas | 13 | 1 | 1 |
| GENESIS NATURAL GAS PIPELINE, LP | Natural gas | 13 | 2 | 4 |
| CHADCO GAS COMPANY | Natural gas | 12 | 1 | 2 |
| AMES GAS GATHERING COMPANY | Natural gas | 12 | 1 | 1 |
| BLACK POOL ENERGY, LP | Natural gas | 12 | 3 | 2 |
| OWL CREEK OPERATING CO., INC. | Natural gas | 12 | 1 | 1 |
| ITC PIPELINE COMPANY LLC | Refined liquid product | 12 | 12 | 1 |
| HEDRICK PRODUCTION INC. | Natural gas | 12 | 1 | 2 |
| CENTERPOINT ENERGY INTRA P/L,LLC | Natural gas | 12 | 10 | 6 |
| TARGA RICH GAS SERVICES LP | Natural gas | 12 | 1 | 1 |
| NEWFIELD EXPLORATION COMPANY | Natural gas | 12 | 1 | 1 |
| MODERN EXPLORATION, INC. | Natural gas | 12 | 1 | 1 |
| HEXL NG, LLC | Natural gas | 12 | 1 | 1 |
| BARKER PRODUCTION CO., LP | Natural gas | 12 | 1 | 1 |
| PARAGON OIL & GAS, LLC | Natural gas | 12 | 1 | 1 |
| DISCOVERY OPERATING, INC. | Natural gas | 12 | 1 | 2 |
| TRINITY GAS CORPORATION | Natural gas | 12 | 1 | 1 |
| PVR NATURAL GAS GATHERING, LLC | Natural gas | 12 | 1 | 1 |
| PANTHER PIPELINE, LTD. | Natural gas | 12 | 3 | 2 |
| UNITED OIL & SHALE LLC | Natural gas | 12 | 2 | 2 |
| PORT ARTHUR TERMINAL LLC | Crude oil | 12 | 1 | 1 |
| MATHESON TRI-GAS, INC. | Natural gas | 12 | 2 | 1 |
| NEW ENERGY COMPANY, THE | Natural gas | 12 | 1 | 1 |
| GATEWAY GATHERING & MKTG. CO. | Natural gas | 12 | 5 | 1 |
| CITY OF CORPUS CHRISTI GAS DEPT. | Natural gas | 12 | 1 | 1 |
| CABOT OIL & GAS CORPORATION | Natural gas | 12 | 3 | 3 |
| RICHEY, RAY MANAGEMENT CO., INC. | Natural gas | 12 | 1 | 1 |
| COMPRESSION & TRANS. CARRIERS | Natural gas | 12 | 1 | 1 |
| GULF COAST PIPELINE CO. | Natural gas | 11 | 2 | 4 |
| LUCKY LAD ENERGY, LLC | Natural gas | 11 | 3 | 1 |
| SWORDFISH ENERGY OPERATING, LLC | Natural gas | 11 | 1 | 1 |
| CARRUTH OIL & GAS, LLC | Natural gas | 11 | 1 | 1 |
| MUSKEGON DEVELOPMENT COMPANY | Natural gas | 11 | 1 | 1 |
| UNION TEXAS PRODUCTS CORPORATION | Highly volatile liquid | 11 | 1 | 1 |
| PREMIER NATURAL RESOURCES, LLC | Natural gas | 11 | 1 | 1 |
| CATARINA MIDSTREAM, LLC | Natural gas | 11 | 1 | 2 |
| PRIDE REFINING, INC. | Refined liquid product | 11 | 3 | 1 |
| SOUTHWEST ROYALTIES, INC. | Natural gas | 11 | 1 | 1 |
| RFE OPERATING, LLC | Natural gas | 11 | 1 | 3 |
| BELDING GAS CO., INC. | Natural gas | 11 | 1 | 1 |
| PETRALIS ENERGY RESOURCES, LLC | Natural gas | 11 | 2 | 1 |
| REATTA ENERGY, INC. | Natural gas | 11 | 1 | 2 |
| GATEWAY RED OAK LLC | Natural gas | 11 | 4 | 5 |
| VAMOS OIL & GAS, LLC | Natural gas | 11 | 3 | 1 |
| ABRAXAS PETROLEUM CORPORATION | Natural gas | 11 | 2 | 3 |
| REXTAC, LLC | Highly volatile liquid | 11 | 2 | 2 |
| SOUTHERN NATURAL GAS COMPANY | Natural gas | 11 | 1 | 1 |
| ZELAYA OIL AND GAS, LLC | Natural gas | 11 | 1 | 1 |
| MOORE COUNTY GAS PARTNERS, L.P. | Natural gas | 11 | 1 | 1 |
| TEXAS INTERNATIONL PL SYSTEM LLC | Crude oil | 11 | 1 | 1 |
| BAKER RESOURCES, LLC | Natural gas | 11 | 1 | 1 |
| LINK ENERGY TEXAS LLC | Crude oil | 11 | 1 | 1 |
| COMSTOCK ENERGY, LLC | Natural gas | 11 | 1 | 1 |
| ENCANA OIL & GAS(USA) INC. | Natural gas | 11 | 1 | 4 |
| BOIS D'ARC FIELD SERVICES, LLC | Natural gas | 11 | 1 | 2 |
| SMC OIL & GAS, INC. | Natural gas | 11 | 1 | 2 |
| AGROIL, INC. | Natural gas | 11 | 1 | 1 |
| PETRA OLEUM CORP. | Natural gas | 11 | 1 | 3 |
| BALCONES MINERALS CORP. | Natural gas | 11 | 1 | 2 |
| UNITED TEXAS OIL LLC | Natural gas | 11 | 1 | 2 |
| GREENHAW, MORRIS R. | Natural gas | 11 | 1 | 1 |
| HET LEVELLAND, LLC | Natural gas | 11 | 1 | 1 |
| CITY OF BENAVIDES | Natural gas | 11 | 1 | 1 |
| GOODRICH OPERATING CO., INC. | Natural gas | 11 | 1 | 1 |
| PROMISE ENERGY OPERATIONS, LLC | Natural gas | 10 | 1 | 1 |
| SANTERRA MIDSTREAM COMPANY, LLC | Natural gas | 10 | 1 | 2 |
| MOBIL VANDERBILT-BEAUMONT P/L CO | Natural gas | 10 | 8 | 1 |
| THOMAS OIL AND GAS INC. | Natural gas | 10 | 1 | 1 |
| DEVON GAS SERVICES, L.P. | Natural gas | 10 | 1 | 3 |
| ALLIANT SOUTH TEXAS PL, L.P. | Crude oil | 10 | 1 | 1 |
| UPLAND OPERATING, LLC | Natural gas | 10 | 1 | 2 |
| RAVEN GATHERING SYSTEM LLC | Crude oil | 10 | 1 | 1 |
| SABER MIDSTREAM, LLC | Natural gas | 10 | 1 | 1 |
| TEXRON OPERATING, LLC | Natural gas | 10 | 1 | 1 |
| WOODWAY TEXAS PIPELINE LLC | Natural gas | 10 | 1 | 1 |
| THREE-C OIL AND GAS | Natural gas | 10 | 1 | 2 |
| TRINIDAD ENERGY, LLC | Natural gas | 10 | 2 | 1 |
| CINRON ENERGY, LLC | Natural gas | 10.0 | 2 | 2 |
| VIPER S.W.D., LLC | Natural gas | 9.9 | 1 | 2 |
| WOODWAY TEXAS COLETO CONNECTOR L | Natural gas | 9.9 | 1 | 1 |
| KEBO OIL & GAS, INC. | Natural gas | 9.9 | 1 | 5 |
| WALLIS ENERGY, INC. | Natural gas | 9.9 | 2 | 3 |
| SOUTHERN TRANSFER PARTNERS, LLC | Natural gas | 9.8 | 1 | 1 |
| LIME ROCK RESOURCES IV-A, L.P. | Natural gas | 9.8 | 1 | 2 |
| BENT WING ENERGY, LLC | Natural gas | 9.8 | 3 | 2 |
| OVERTON MIDSTREAM, LLC | Natural gas | 9.8 | 1 | 1 |
| GOLDFIELD GATHERING, LTD | Natural gas | 9.8 | 1 | 1 |
| B.P. PRODUCTIONS INC. | Natural gas | 9.8 | 2 | 2 |
| WILLIFORD ENERGY COMPANY | Natural gas | 9.8 | 1 | 2 |
| INLAND CONTRACTORS, INC. | Natural gas | 9.7 | 1 | 3 |
| KEN-AMES CORP. | Natural gas | 9.7 | 1 | 1 |
| SEABREEZE ENERGY PRODUCERS, LLC | Natural gas | 9.7 | 2 | 1 |
| WOODBINE CROSSING, LLC | Highly volatile liquid | 9.7 | 1 | 2 |
| SAGUARO PETROLEUM, LLC | Natural gas | 9.7 | 1 | 2 |
| HALVEY ENERGY, LLC | Natural gas | 9.7 | 1 | 1 |
| WILLIAMS GULF COAST GATH CO, LLC | Natural gas | 9.7 | 1 | 1 |
| PHOENIX GAS PIPELINE COMPANY | Natural gas | 9.7 | 1 | 1 |
| TEP BARNETT USA, LLC | Natural gas | 9.6 | 11 | 4 |
| GIBBONS LAKE AND LAND, LLC | Natural gas | 9.6 | 2 | 1 |
| QUAIL CREEK OIL CORPORATION | Natural gas | 9.6 | 1 | 1 |
| BKEP PIPELINE, L.L.C. | Crude oil | 9.6 | 1 | 2 |
| INTERSTATE EXPLORATIONS LLC | Natural gas | 9.6 | 1 | 1 |
| RESOURCE OIL AND GAS, LLC | Natural gas | 9.6 | 1 | 2 |
| CYPRESS PIPELINE LLC | Natural gas | 9.5 | 2 | 2 |
| OLD RIVER GAS PIPELINE, LLC | Natural gas | 9.5 | 1 | 2 |
| MUSTANG SPRINGS OIL TERMINAL,LLC | Crude oil | 9.5 | 7 | 1 |
| ARKEMA INC. | Refined liquid product | 9.5 | 1 | 1 |
| TBM CATARINA, LLC | Crude oil+1 | 9.4 | 1 | 1 |
| SARITA ENERGY RESOURCES, LTD. | Crude oil+1 | 9.4 | 1 | 1 |
| BKV BARNETT, LLC | Natural gas | 9.3 | 1 | 3 |
| TALL CITY OPERATIONS III LLC | Crude oil | 9.3 | 1 | 1 |
| MAP PRODUCTION CO., INC. | Natural gas | 9.3 | 1 | 3 |
| BNP PETROLEUM CORPORATION | Natural gas | 9.3 | 2 | 4 |
| ENBRIDGE GATHERING(NORTHTEXAS)LP | Highly volatile liquid+1 | 9.3 | 2 | 2 |
| NORTH TEXAS GAS CO., INC. | Natural gas | 9.2 | 1 | 2 |
| GUNN OIL COMPANY | Natural gas | 9.2 | 1 | 2 |
| CITY OF PLAINS | Natural gas | 9.2 | 1 | 1 |
| SUGAR ENTERPRISES, LLC | Natural gas | 9.2 | 1 | 1 |
| BARNETT GATHERING, LP | Natural gas | 9.1 | 1 | 1 |
| WHITEHEAD RESOURCES, LTD. | Natural gas | 9.1 | 2 | 2 |
| HORIZON PROD. AND OPERATING, LLC | Natural gas | 9.1 | 2 | 2 |
| KURARAY AMERICA, INC. | Carbon dioxide+2 | 9.1 | 4 | 1 |
| OASIS TRANSP & MARKETING CORP. | Crude oil | 9.1 | 5 | 2 |
| HESS, JERRY OPERATING CO. | Natural gas | 9.1 | 1 | 4 |
| PROGENIES OPERATING LLC | Natural gas | 9.1 | 1 | 3 |
| SOUTHWEST OPERATING, INC.-TYLER | Natural gas | 9.1 | 1 | 2 |
| TOLEDO BEND EXPRESS, LLC | Natural gas | 9.1 | 4 | 1 |
| BHP BILLITON PET(TXLA OP) CO | Natural gas | 9.1 | 1 | 1 |
| SUN PIPE LINE COMPANY | Crude oil | 9.1 | 1 | 3 |
| PENN VIRGINIA OIL & GAS, L.P. | Crude oil+1 | 9.0 | 1 | 3 |
| SOCAGEE MIDSTREAM GAS SERVICES L | Natural gas | 9.0 | 3 | 1 |
| TARGA MIDSTREAM SERVICES LP | Natural gas | 9.0 | 1 | 1 |
| NITRO OIL & GAS, LLC | Natural gas | 9.0 | 1 | 2 |
| WHITE'S INDUSTRIAL ENGINE'S | Natural gas | 9.0 | 1 | 1 |
| DUNE OPERATING COMPANY | Natural gas | 8.9 | 2 | 3 |
| MHM PIPELINE CO., INC. | Natural gas | 8.9 | 3 | 2 |
| WALSH PETROLEUM, INC. | Carbon dioxide | 8.9 | 1 | 1 |
| HOOVER PETROLEUM COMPANY, LLC | Natural gas | 8.9 | 1 | 1 |
| SILVERBOW RESOURCES OPER, LLC | Crude oil+1 | 8.9 | 1 | 3 |
| CHESAPEAKE OPERATING, L.L.C. | Natural gas | 8.8 | 1 | 2 |
| PATTERSON PETROLEUM LP | Crude oil+1 | 8.8 | 1 | 1 |
| VIN FISHER OPERATING, INC. | Natural gas | 8.7 | 1 | 2 |
| VALLEY GAS TRANSMISSION, LLC | Natural gas | 8.7 | 1 | 2 |
| WALNUT PIPELINE, LLC | Natural gas | 8.7 | 2 | 2 |
| W&T OFFSHORE, INC. | Natural gas | 8.7 | 2 | 2 |
| TYENCO, INC. | Natural gas | 8.6 | 1 | 2 |
| GOLDKING MINERALS MGMT, L.L.C. | Natural gas | 8.6 | 2 | 2 |
| DOMINION GAS VENTURES, LP | Natural gas | 8.6 | 1 | 2 |
| TELOULA CO. | Natural gas | 8.6 | 1 | 1 |
| HURD ENTERPRISES, LTD. | Natural gas | 8.6 | 1 | 3 |
| CRYSTAL RIVER OIL & GAS LLC | Crude oil | 8.6 | 1 | 1 |
| ONEOK WESTEX TRANSMISSION, INC. | Natural gas | 8.6 | 1 | 2 |
| VANTAGE OPERATING, LLC | Natural gas | 8.5 | 1 | 1 |
| SUNOCO WHOLESALE LLC | Crude oil+1 | 8.4 | 5 | 2 |
| LIQUID PIPELINE, INC. | Highly volatile liquid | 8.3 | 2 | 1 |
| M3 PIPELINE, LLC | Natural gas | 8.3 | 1 | 1 |
| KEYSTONE GAS GATH. & MKTG., LLC | Natural gas | 8.3 | 1 | 1 |
| IVA OIL | Natural gas | 8.2 | 1 | 1 |
| GOLDSTON OIL CORP. | Natural gas | 8.1 | 1 | 4 |
| SO OPERATING COMPANY | Natural gas | 8.1 | 1 | 1 |
| STEPHENS PRODUCTION COMPANY | Natural gas | 8.1 | 3 | 4 |
| JOINT RESOURCES COMPANY | Natural gas | 8.1 | 1 | 1 |
| KIBO COMPRESSOR CORP. | Natural gas | 8.1 | 1 | 1 |
| CASKIDS OPERATING COMPANY | Natural gas | 8.1 | 1 | 2 |
| SPONTE OPERATING, INC. | Natural gas | 8.1 | 7 | 2 |
| NORDHEIM EAGLE FORD GATH, LLC | Crude oil+1 | 8.1 | 1 | 1 |
| NICHOLS,EDWIN S EXPLORATIONS INC | Natural gas | 8.0 | 2 | 3 |
| RIPPY OIL COMPANY | Natural gas | 8.0 | 1 | 1 |
| 5P GAS PIPELINE COMPANY | Natural gas | 8.0 | 1 | 1 |
| RIO BRAVO OIL COMPANY | Crude oil+1 | 8.0 | 1 | 1 |
| CAMERON EXPLORATION, INC. | Natural gas | 8.0 | 1 | 1 |
| J.W.S. | Natural gas | 8.0 | 1 | 1 |
| VOPAK TERMINAL DEER PARK INC. | Highly volatile liquid+1 | 8.0 | 2 | 1 |
| EDDIE'S ROYALTIES, INC. | Natural gas | 8.0 | 1 | 1 |
| QUEST PETROLEUM COMPANY | Natural gas | 8.0 | 1 | 1 |
| AZTECA MILLING, L.P. | Natural gas | 8.0 | 1 | 1 |
| SAWTOOTH OPERATING CO., INC. | Natural gas | 8.0 | 1 | 2 |
| JWC GAS GATHERING LLC | Natural gas | 7.9 | 1 | 1 |
| MESA OPERATING CO. | Crude oil | 7.9 | 1 | 1 |
| FX ENERGY OPERATING, LLC | Natural gas | 7.9 | 1 | 1 |
| DIGGER ENERGY LLC. | Natural gas | 7.8 | 1 | 1 |
| SINGLE BARREL OIL AND GAS LLC | Natural gas | 7.8 | 2 | 2 |
| HMT PIPELINE COMPANY, INC. | Natural gas | 7.8 | 1 | 1 |
| RELIANT ENERGY ENTEX | Natural gas | 7.8 | 1 | 1 |
| SANCHEZ OIL & GAS CORPORATION | Natural gas | 7.8 | 2 | 4 |
| BDH TECHNOLOGY, INC. | Natural gas | 7.8 | 1 | 1 |
| TEXLAND PETROLEUM, L.P. | Crude oil+1 | 7.8 | 1 | 4 |
| MILLENNIUM POWER OF TEXAS, INC. | Natural gas | 7.6 | 1 | 1 |
| T-C OIL COMPANY, LLC | Crude oil | 7.6 | 1 | 1 |
| LOGAS ENERGY, LLC | Natural gas | 7.6 | 3 | 2 |
| CIMAREX ENERGY CO. | Natural gas | 7.6 | 1 | 3 |
| COBRA OIL & GAS CORPORATION | Natural gas | 7.6 | 1 | 2 |
| CONTINENTAL CARBON CO. | Natural gas | 7.5 | 1 | 1 |
| CHEVRON MIDCONTINENT, L.P. | Natural gas | 7.5 | 1 | 2 |
| CROWN MIDSTREAM, LLC | Natural gas | 7.5 | 1 | 1 |
| KEY PRODUCTION COMPANY, INC. | Natural gas | 7.5 | 1 | 1 |
| JEFFERSON PIPELINE COMPANY | Natural gas | 7.5 | 1 | 2 |
| AMERESCO MCCARTY ENERGY LLC | Natural gas | 7.5 | 2 | 1 |
| R & B ENERGY, L.L.C. | Natural gas | 7.5 | 1 | 2 |
| CENTERPOINT ENERGY FIELD SER,LLC | Natural gas | 7.4 | 1 | 4 |
| HUNTER GATHERING, L.P. | Natural gas | 7.4 | 3 | 1 |
| AGERON ENERGY, LLC | Natural gas | 7.4 | 3 | 2 |
| TACTICAL OPERATING COMPANY, LLC | Natural gas | 7.4 | 1 | 1 |
| DESOTO PIPELINE CO., INC. | Natural gas | 7.4 | 1 | 2 |
| GEOSOUTHERN OPERATING II, LLC | Crude oil+1 | 7.4 | 1 | 3 |
| A.C.T. OPERATING COMPANY | Natural gas | 7.3 | 1 | 1 |
| ARBOL RESOURCES, INC. | Natural gas | 7.3 | 1 | 1 |
| GALVESTON BAY REF LOGISTICS LLC | Crude oil+1 | 7.3 | 4 | 1 |
| ALLISON/HOBBS INC. | Natural gas | 7.3 | 1 | 1 |
| HALL-HOUSTON EXPL. III, L.P. | Natural gas | 7.3 | 1 | 1 |
| TRAP ROCK OIL, LTD. | Natural gas | 7.3 | 1 | 1 |
| BROWNING OIL COMPANY, INC. | Natural gas | 7.2 | 1 | 4 |
| RICE DRILLING COMPANY | Natural gas | 7.2 | 1 | 1 |
| COWBOY PIPELINE SERVICE COMPANY | Natural gas | 7.2 | 1 | 1 |
| WRD OPERATING LLC | Natural gas | 7.2 | 6 | 1 |
| HGN OPERATING I, LLC | Natural gas | 7.2 | 1 | 1 |
| INCLINE ENERGY | Natural gas | 7.2 | 1 | 1 |
| ONEOK FIELD SERVICES CO, L.L.C. | Natural gas | 7.2 | 1 | 3 |
| N & B OIL AND GAS LLC | Natural gas | 7.2 | 1 | 1 |
| FURIE OPERATING, LLC | Natural gas | 7.2 | 1 | 1 |
| MDC TEXAS OPERATOR LLC | Natural gas | 7.2 | 1 | 1 |
| SUNDOWN ENERGY LP | Natural gas | 7.2 | 1 | 1 |
| ETOCO, L.P. | Natural gas | 7.2 | 1 | 2 |
| BRIDWELL OIL CO. | Crude oil | 7.2 | 1 | 2 |
| CITY OF GARY | Natural gas | 7.2 | 1 | 1 |
| PURVIS OPERATING CO. | Natural gas | 7.1 | 1 | 1 |
| TARGA PERMIAN CONDENSATE PL LLC | Refined liquid product | 7.1 | 5 | 4 |
| T2 TRANSMISSION, LLC | Natural gas | 7.1 | 1 | 1 |
| PASADENA PERFORMANCE PRDCTS, LLC | Highly volatile liquid | 7.1 | 3 | 1 |
| TRISTATE ETX, LLC | Natural gas | 7.1 | 1 | 4 |
| POCO LLC | Natural gas | 7.0 | 1 | 2 |
| TRINITY OPERATING (USG), LLC | Natural gas | 7.0 | 1 | 2 |
| R & D OPERATING, INC. | Natural gas | 7.0 | 1 | 2 |
| S & S OPERATING COMPANY, INC. | Natural gas | 7.0 | 1 | 2 |
| LEVERAGE ENERGY, LLC | Natural gas | 7.0 | 1 | 1 |
| HOLLIMON OIL CORPORATION | Natural gas | 7.0 | 1 | 2 |
| ISP TECHNOLOGIES, INC. | Natural gas | 7.0 | 1 | 1 |
| GASPER RICE RESOURCES, LTD. | Natural gas | 7.0 | 2 | 2 |
| TEMPEST ENERGY RESOURCES, LP | Natural gas | 6.9 | 2 | 2 |
| TKP PETROLEUM, INC. | Natural gas | 6.9 | 1 | 1 |
| PHILLIPS PETROLEUM COMPANY | Natural gas | 6.9 | 1 | 1 |
| SILVER OAK OPERATING, LLC | Natural gas | 6.9 | 1 | 2 |
| MONTGOMERY GAS TRANSMISSION, INC | Natural gas | 6.9 | 2 | 2 |
| FAMCOR OIL, INC | Natural gas | 6.9 | 1 | 2 |
| TERRA TRANSMISSION, LLC | Natural gas | 6.9 | 2 | 2 |
| VARGAS ENERGY, LTD. | Natural gas | 6.9 | 1 | 1 |
| GT PIPELINE, LLC | Refined liquid product | 6.8 | 1 | 1 |
| NORTH LAKE RESOURCES LLC | Natural gas | 6.8 | 1 | 1 |
| BROWN, GEO. R PARTNERSHIP,LP,THE | Crude oil+1 | 6.8 | 1 | 3 |
| COLOGNE PRODUCTION COMPANY | Natural gas | 6.8 | 1 | 1 |
| BRACKEN OPERATING, L.L.C. | Natural gas | 6.8 | 1 | 2 |
| RED RIVER GAS, LTD. | Natural gas | 6.8 | 1 | 1 |
| STRIDE ENERGY COMPANY | Natural gas | 6.7 | 1 | 2 |
| PITTENCRIEFF AMERICA, INC. | Natural gas | 6.7 | 1 | 1 |
| PRAIRIE PIPELINE CO. | Natural gas | 6.7 | 1 | 1 |
| PYRAMID GAS CO | Natural gas | 6.7 | 1 | 2 |
| TRANS-PECOS RESOURCES, INC. | Natural gas | 6.7 | 1 | 1 |
| TERRAFINA ENERGY, LLC | Natural gas | 6.7 | 1 | 2 |
| J T MORGAN, INC. | Natural gas | 6.7 | 1 | 1 |
| KINDER MORGAN PRODUCTION CO LP | Natural gas | 6.7 | 1 | 1 |
| MEGLOBAL AMERICAS INC. | Natural gas | 6.6 | 2 | 1 |
| MEXTEX OPERATING COMPANY | Natural gas | 6.6 | 1 | 1 |
| CONQUEST EXPLORATION COMPANY | Natural gas | 6.6 | 1 | 1 |
| CARRIZO OIL & GAS, INC. | Natural gas | 6.5 | 1 | 6 |
| LDC, LLC | Natural gas | 6.5 | 1 | 1 |
| GRACE PETROLEUM OPERATING, LLC | Natural gas | 6.5 | 1 | 1 |
| EM BIOGAS, LLC | Natural gas | 6.5 | 2 | 1 |
| GEPARD ENERGY INC | Natural gas | 6.5 | 1 | 1 |
| MARWELL PETROLEUM LTD PARTNRSHIP | Natural gas | 6.5 | 1 | 4 |
| TARE RESOURCES, LLC | Natural gas | 6.5 | 1 | 2 |
| SILVER ANCHOR RESOURCES LLC | Natural gas | 6.5 | 1 | 1 |
| DAVIS PETROLEUM CORP. | Natural gas | 6.4 | 1 | 1 |
| CASTLEROCK EF OPERATING LLC | Crude oil | 6.4 | 1 | 2 |
| SOUTHERN TEJAS ASSET GROUP LLC | Natural gas | 6.4 | 1 | 1 |
| TRANSCONTINENTAL GAS P.L. CO,LLC | Crude oil+1 | 6.4 | 2 | 2 |
| RED ROCK OPERATING, INC. | Natural gas | 6.4 | 1 | 1 |
| BKM PRODUCTION | Natural gas | 6.4 | 1 | 1 |
| OZONA RESIDUE SYSTEMS CO, LLC | Natural gas | 6.4 | 1 | 1 |
| CHOCTAW RESOURCES, INC. | Natural gas | 6.4 | 1 | 1 |
| CENTAURI TECHNOLOGIES LLC | Natural gas | 6.4 | 3 | 1 |
| WILL-DRILL PRODUCTION CO., INC. | Natural gas | 6.3 | 1 | 1 |
| ENDEAVOR NATURAL GAS, LP | Natural gas | 6.3 | 1 | 3 |
| UNITEX OIL & GAS, L.L.C. | Natural gas | 6.3 | 1 | 1 |
| HOUSTON AMMONIA TERMINAL, L. P. | Other | 6.2 | 1 | 1 |
| RIO GRAND EXPLORATION, LLC | Natural gas | 6.2 | 1 | 1 |
| BRECK OPERATING CORP. | Natural gas | 6.2 | 1 | 1 |
| LUBBOCK POWER AND LIGHT | Natural gas | 6.2 | 1 | 1 |
| HOPEWELL OPERATING, INC. | Natural gas | 6.2 | 2 | 2 |
| HUNT PETROLEUM (AEC), INC. | Natural gas | 6.2 | 1 | 1 |
| BROWN, H.L. OPERATING, L.L.C. | Natural gas | 6.2 | 1 | 2 |
| AMERICAN STAR ENERGY & MIN. CORP | Natural gas | 6.2 | 1 | 1 |
| SUPERIOR PIPELINE COMPANY,L.L.C. | Natural gas | 6.1 | 1 | 1 |
| SAHARA OPERATING COMPANY | Natural gas | 6.1 | 1 | 1 |
| DECKER OPERATING CO., L.L.C. | Natural gas | 6.1 | 1 | 4 |
| ERNEST OPERATING COMPANY | Natural gas | 6.1 | 1 | 2 |
| GOLDEN RESOURCES, L.L.C. | Natural gas | 6.1 | 1 | 1 |
| FARREX, INC. | Natural gas | 6.0 | 1 | 1 |
| METHANEX BEAUMONT LLC | Highly volatile liquid+1 | 6.0 | 3 | 1 |
| RED LINE COMPANY, LTD. | Natural gas | 6.0 | 1 | 2 |
| HARPER HEFTE, INC. | Natural gas | 6.0 | 1 | 2 |
| DALE OPERATIONS, LLC | Natural gas | 6.0 | 1 | 1 |
| DOUBLE M PETROPROPERTIES, INC. | Natural gas | 6.0 | 2 | 1 |
| PALUXY OIL & GAS, LLC | Natural gas | 6.0 | 1 | 2 |
| TEJAS GAS OPERATING, LLC | Natural gas | 6.0 | 3 | 2 |
| DURANGO RESOURCES CORP. | Natural gas | 6.0 | 1 | 1 |
| MORRIS PIPELINE COMPANY | Natural gas | 6.0 | 1 | 2 |
| EARNEST PRODUCING CORPORATION | Natural gas | 6.0 | 1 | 1 |
| TARGA MIDLAND GAS PIPELINE LLC | Natural gas | 6.0 | 1 | 1 |
| MONTEX DRILLING COMPANY, LLC | Natural gas | 5.9 | 1 | 1 |
| DISCOVERY PETROLEUM, L.L.C. | Natural gas | 5.9 | 1 | 1 |
| NEWFLOW PIPELINE COMPANY, L.L.C. | Natural gas | 5.9 | 1 | 1 |
| BP AMERICA PRODUCTION COMPANY | Natural gas | 5.9 | 1 | 1 |
| ATLANTIC RICHFIELD CO. | Crude oil | 5.9 | 1 | 1 |
| MILESTONE OPERATING, INC. | Natural gas | 5.9 | 1 | 1 |
| SDG OPERATING COMPANY, INC | Natural gas | 5.9 | 1 | 1 |
| TIMBERWOLF ENERGY, INC. | Natural gas | 5.8 | 1 | 1 |
| VALERO TEXAS CITY REFINERY | Natural gas+1 | 5.8 | 2 | 1 |
| OMIMEX PETROLEUM, INC. | Natural gas | 5.8 | 1 | 1 |
| UOSI OPERATING, INC. | Natural gas | 5.8 | 1 | 1 |
| PINE ISLAND PIPELINE, LLC | Natural gas | 5.8 | 1 | 1 |
| ZACHRY OIL AND GAS PROPERTIES | Natural gas | 5.8 | 1 | 2 |
| CAMPEON GAS CORPORATION | Natural gas | 5.8 | 1 | 2 |
| D.J. & T. ENERGY | Natural gas | 5.8 | 1 | 1 |
| NORAMCO PRODUCTION, LLC | Crude oil | 5.7 | 1 | 1 |
| RIO GRANDE E&P II, LLC | Natural gas | 5.7 | 2 | 1 |
| BROOKS PETROLEUM COMPANY | Natural gas | 5.7 | 1 | 2 |
| DCP HINSHAW PIPELINE, LLC | Natural gas | 5.7 | 2 | 1 |
| XERIC OIL & GAS CORPORATION | Natural gas | 5.7 | 1 | 1 |
| PERMIAN NATURAL RESOURCES | Natural gas | 5.7 | 1 | 2 |
| CITY OF GARLAND | Natural gas | 5.7 | 1 | 1 |
| CENTURY ASSETS CORPORATION | Natural gas | 5.7 | 1 | 1 |
| ZAZA ENERGY, LLC | Natural gas | 5.7 | 1 | 1 |
| HUNTER PETROLEUM INC. | Natural gas | 5.7 | 1 | 1 |
| ACOCK OPERATING LIMITED | Natural gas | 5.6 | 1 | 2 |
| LOCIN OIL CORPORATION | Crude oil+1 | 5.6 | 1 | 1 |
| C & P GATHERING CO. | Natural gas | 5.6 | 1 | 1 |
| IPR USA CORP. | Natural gas | 5.6 | 1 | 2 |
| UNIT PETROLEUM COMPANY | Natural gas | 5.6 | 3 | 2 |
| DENBURY ONSHORE, LLC | Crude oil+1 | 5.5 | 2 | 2 |
| ITX CORPORATION | Natural gas | 5.5 | 1 | 2 |
| OBAR OPERATING CO., INC. | Natural gas | 5.5 | 1 | 1 |
| C & M OPERATING, INC. (A) | Natural gas | 5.5 | 1 | 1 |
| HW OPERATING, LLC | Natural gas | 5.5 | 1 | 1 |
| CYMRI, L.L.C. | Natural gas | 5.5 | 1 | 1 |
| MAGGS, L.C. | Natural gas | 5.5 | 1 | 1 |
| GRAYCO MIDSTREAM LLC | Natural gas | 5.4 | 1 | 1 |
| GRAND RESOURCES, INC. | Natural gas | 5.4 | 1 | 1 |
| GARANCHO OPERATING LLC | Natural gas | 5.4 | 2 | 1 |
| ASHTOLA EXPLORATION COMPANY,INC. | Natural gas | 5.4 | 1 | 1 |
| RED LEVEL PIPELINE, LTD. | Natural gas | 5.3 | 1 | 1 |
| SANDLOT OIL & GAS LLC | Natural gas | 5.3 | 1 | 1 |
| STL PIPELINE, LLC | Natural gas | 5.3 | 1 | 1 |
| KING OPERATING CORPORATION | Natural gas | 5.3 | 1 | 1 |
| VAQUERO OPERATING | Natural gas | 5.3 | 1 | 3 |
| PWR OPERATING, LLC | Natural gas | 5.3 | 1 | 1 |
| CLARK OIL CO. | Natural gas | 5.2 | 1 | 1 |
| AURORA RESOURCES CORPORATION | Natural gas | 5.2 | 1 | 1 |
| SOURCE TECHNOLOGIES, LLC | Natural gas | 5.2 | 1 | 1 |
| CBMONCRIEF OPERATING, LLC | Natural gas | 5.2 | 1 | 1 |
| SMEDLEY, GORDON L. & ASSOC., INC | Natural gas | 5.2 | 1 | 1 |
| EAGLE ROCK FIELD SERVICES, L.P. | Natural gas | 5.2 | 1 | 1 |
| FAIR OIL, LTD. | Natural gas | 5.2 | 1 | 1 |
| PROXIMA PIPELINE LLC | Natural gas | 5.2 | 1 | 1 |
| PALOMA OPERATING, LLC | Natural gas | 5.2 | 1 | 2 |
| NEW HORIZON RESOURCES LLC | Natural gas | 5.2 | 1 | 1 |
| P.B. BLUE DOT PROPERTIES | Natural gas | 5.2 | 1 | 1 |
| PHILLIPS UTILITY GAS CORPORATION | Natural gas | 5.2 | 1 | 1 |
| DORADO DRILLING, INC. | Natural gas | 5.2 | 1 | 1 |
| COLT GAS GATHERING, L.L.C. | Natural gas | 5.1 | 1 | 1 |
| CAZAR ENERGY INC | Natural gas | 5.1 | 1 | 1 |
| EL PASO E & P COMPANY, L. P. | Natural gas | 5.1 | 1 | 1 |
| TOTALENERGIES GAS PIPELINE USA, | Natural gas | 5.1 | 1 | 1 |
| FOUR SEVENS RES PL CO., LTD. | Natural gas | 5.1 | 1 | 1 |
| DRISCOLL PETROLEUM CORPORATION | Natural gas | 5.1 | 1 | 1 |
| VINTON PIPELINE, LLC | Natural gas | 5.1 | 1 | 1 |
| LOUISIANA ENERGY GATEWAY LLC | Natural gas | 5.1 | 1 | 1 |
| SMITH ENERGY OPERATING COMPANY | Natural gas | 5.1 | 1 | 1 |
| RAVEN BUTENE-1, LLC | Highly volatile liquid+1 | 5.1 | 3 | 1 |
| AP OPERATING, INC. | Natural gas | 5.0 | 1 | 1 |
| LAUGHLIN, KENNETH K | Natural gas | 5.0 | 1 | 1 |
| WRA, INC. | Natural gas | 5.0 | 1 | 1 |
| VT VISTATEX ENERGY LLC | Natural gas | 4.9 | 1 | 2 |
| NEWMAN CORPORATION | Natural gas | 4.9 | 1 | 1 |
| OKAPI MIDSTREAM LLC | Natural gas | 4.9 | 3 | 1 |
| INDORAMA VENTURES OLEFINS LLC | Refined liquid product | 4.9 | 1 | 1 |
| BRITANCO, L.L.C. | Natural gas | 4.9 | 1 | 1 |
| MARSHALL R. YOUNG OPERATING, LLC | Natural gas | 4.9 | 1 | 2 |
| UPLAND RESOURCES LLC | Natural gas | 4.9 | 1 | 2 |
| MARKWEST PINNACLE, L.L.C. | Natural gas | 4.9 | 1 | 1 |
| CROSSTEX CCNG TRANSMISSION, LTD. | Natural gas | 4.8 | 2 | 2 |
| H & L GAS CO. | Natural gas | 4.8 | 1 | 1 |
| C C G P, LTD. | Natural gas | 4.8 | 1 | 1 |
| URSUS OIL AND GAS | Natural gas | 4.8 | 1 | 1 |
| FOAG, INC. | Natural gas | 4.8 | 1 | 2 |
| L A C, INC. | Natural gas | 4.8 | 1 | 1 |
| LLOX, L.L.C. | Natural gas | 4.8 | 1 | 2 |
| LIGHTNING OIL COMPANY | Natural gas | 4.8 | 1 | 1 |
| FAMCOR TRANSPORTATION, INC. | Natural gas | 4.8 | 1 | 1 |
| CUATRO PETRO CORP. | Natural gas | 4.8 | 1 | 1 |
| PAISANO TRANSMISSION COMPANY | Natural gas | 4.8 | 3 | 4 |
| GENERAL OPERATING COMPANY | Natural gas | 4.8 | 1 | 1 |
| LEHNERTZ-FAULKNER, INC. | Natural gas | 4.8 | 1 | 3 |
| VCG ENERGY, LLC | Natural gas | 4.7 | 1 | 1 |
| M. M. MILLER & SONS, LTD. | Natural gas | 4.7 | 1 | 1 |
| ARROWHEAD OPERATING INC. | Natural gas | 4.7 | 1 | 1 |
| ALDINE OIL AND GAS, LP | Natural gas | 4.7 | 1 | 1 |
| EP ENERGY E&P COMPANY, L.P. | Natural gas | 4.7 | 1 | 2 |
| VANGUARD PERMIAN, LLC | Crude oil+1 | 4.7 | 1 | 2 |
| LIVE OAK RESERVES, INC. | Crude oil+1 | 4.7 | 2 | 2 |
| MELISSA RENEWABLES, LLC | Natural gas | 4.7 | 1 | 1 |
| KARBUHN OIL COMPANY | Natural gas | 4.7 | 2 | 2 |
| ADVARIO TEXAS CITY, L.P. | Refined liquid product | 4.7 | 4 | 1 |
| ANADARKO PETROLEUM CORPORATION | Natural gas | 4.7 | 2 | 2 |
| GOLDENROD TRANSMISSION COMPANY | Natural gas | 4.6 | 1 | 1 |
| PRIDE ENERGY COMPANY | Natural gas | 4.6 | 1 | 1 |
| AMEN OIL LLC | Natural gas | 4.6 | 1 | 1 |
| LITTLE INCH PIPE LINE COMPANY | Natural gas | 4.6 | 1 | 1 |
| ENMARK ENERGY, INC. | Natural gas | 4.6 | 1 | 1 |
| CROMECO, INC. | Natural gas | 4.6 | 1 | 1 |
| LEWIS OPERATING COMPANY | Natural gas | 4.6 | 1 | 1 |
| SABINAL RESOURCES, INC. | Natural gas | 4.6 | 1 | 1 |
| VAQUERO PERMIAN PROCESSING LLC | Highly volatile liquid | 4.6 | 1 | 2 |
| CENTERPOINT ENERGY FIELD SER,INC | Natural gas | 4.6 | 1 | 1 |
| TE PRODUCTS PIPELINE COMPANY,LLC | Highly volatile liquid | 4.6 | 1 | 1 |
| IMTT EPIC LLC | Refined liquid product | 4.5 | 1 | 1 |
| OSBORN,W.B. OIL & GAS OPERATIONS | Natural gas | 4.5 | 1 | 1 |
| GTG OPERATING, LLC | Natural gas | 4.5 | 1 | 1 |
| PETRO-HUNT, L.L.C. | Natural gas | 4.5 | 2 | 2 |
| SIEMPRE ENERGY OPERATING, LLC | Natural gas | 4.5 | 1 | 1 |
| FINLEY RESOURCES, INC. | Natural gas | 4.5 | 3 | 3 |
| MCGUFFIN, JOE JR. | Natural gas | 4.5 | 1 | 1 |
| ASSOCIATED GAS GATHERING LLC | Natural gas | 4.5 | 1 | 1 |
| RICOCHET ENERGY, INC. | Natural gas | 4.5 | 1 | 1 |
| WG OPERATING, INC. | Crude oil | 4.5 | 1 | 1 |
| FELDERHOFF PRODUCTION COMPANY | Natural gas | 4.5 | 3 | 1 |
| PREMCOR PIPELINE CO., THE | Refined liquid product | 4.5 | 7 | 1 |
| TRIO CONSULTING & MANAGEMENT,LLC | Natural gas | 4.5 | 1 | 1 |
| FREEDOM PROPPANT LLC | Natural gas | 4.5 | 1 | 1 |
| WS RITTER CRITTERS, LLC | Natural gas | 4.5 | 1 | 1 |
| HEMCO GAS GATHERING, L.L.C. | Natural gas | 4.4 | 1 | 1 |
| CITY OF MCLEAN | Natural gas | 4.4 | 1 | 1 |
| TRAILBLAZER OIL & GAS LLC | Natural gas | 4.4 | 1 | 1 |
| ALLIANCE RESOURCES CORPORATION | Natural gas | 4.4 | 1 | 1 |
| B & G ENERGY CORPORATION | Natural gas | 4.4 | 1 | 1 |
| CYCLONE EXPLORATION, INC. | Natural gas | 4.4 | 3 | 1 |
| XPLOR ENERGY OPERATING CO. | Crude oil | 4.4 | 1 | 1 |
| FORTRESS NATURAL GAS, LLC | Natural gas | 4.3 | 1 | 1 |
| ANTLE OPERATING, INC. | Natural gas | 4.3 | 2 | 1 |
| EDGE PETROLEUM OPER. CO., INC. | Natural gas | 4.3 | 1 | 1 |
| DIAMOND S ENERGY COMPANY | Natural gas | 4.3 | 1 | 1 |
| CAPCO OFFSHORE, INC. | Crude oil+1 | 4.3 | 4 | 1 |
| CITY OF BRYAN | Natural gas | 4.3 | 1 | 1 |
| SUN EXPLORATION, INC. | Natural gas | 4.3 | 1 | 2 |
| ENBRIDGE (HOUSTON OIL TRM) LLC | Crude oil | 4.3 | 1 | 1 |
| TRINITY GAS STORAGE, LLC | Natural gas | 4.3 | 5 | 1 |
| COASTAL GAS GATHERING CO. | Natural gas | 4.3 | 1 | 2 |
| BSE PRODUCTION CO. | Natural gas | 4.2 | 1 | 1 |
| GSI OIL & GAS, INC. | Crude oil | 4.2 | 1 | 1 |
| SOGC, INC. | Natural gas | 4.2 | 2 | 1 |
| ENVEN ENERGY VENTURES, LLC | Crude oil | 4.2 | 1 | 1 |
| MORIAH OPERATING,LLC | Crude oil+1 | 4.2 | 2 | 2 |
| CITY OF SUNRAY UTILITIES | Natural gas | 4.2 | 1 | 1 |
| BLUEBIRD (TEX) PIPELINE, L.P. | Natural gas | 4.1 | 1 | 1 |
| PALO DURO RESOURCES LLC | Natural gas | 4.1 | 1 | 1 |
| SONAT TEXAS GATHERING COMPANY | Crude oil+1 | 4.1 | 2 | 1 |
| XSTAR RESOURCES LLC | Natural gas | 4.1 | 1 | 1 |
| EL PASO NATURAL GAS COMPANY | Natural gas | 4.1 | 1 | 1 |
| JQL ENERGY, LLC | Natural gas | 4.1 | 1 | 1 |
| ROCKING R INVESTMENTS, INC. | Natural gas | 4.1 | 1 | 1 |
| DTE GAS RESOURCES, LLC | Natural gas | 4.1 | 1 | 1 |
| SAMSON CONTOUR ENERGY E&P, LLC | Natural gas | 4.1 | 2 | 2 |
| GAEDEKE GAS GATHERING, LLC | Natural gas | 4.1 | 1 | 1 |
| KNIGHT - CHEMSTAR, INC. | Highly volatile liquid | 4.1 | 1 | 1 |
| UNIT GAS TRANSMISSION CO. | Natural gas | 4.0 | 1 | 1 |
| CITY OF APPLEBY | Natural gas | 4.0 | 2 | 1 |
| STANDARD RESOURCES CORP. | Natural gas | 4.0 | 1 | 1 |
| NZ OPERATING COMPANY INC. | Natural gas | 4.0 | 1 | 1 |
| CROSSCUT GAS PARTNERS, LLC | Natural gas | 4.0 | 1 | 1 |
| SUN RIVER OPERATING, INC. | Natural gas | 4.0 | 1 | 2 |
| O. H. M. OPERATING | Natural gas | 4.0 | 3 | 1 |
| WILLO OIL & GAS EXPLORATION, LLC | Natural gas | 4.0 | 1 | 1 |
| PNG TRANSMISSION COMPANY INC. | Natural gas | 4.0 | 1 | 1 |
| QUEST EMG, INC. | Natural gas | 4.0 | 1 | 1 |
| GREEN RIVER RESOURCES INC. | Natural gas | 4.0 | 1 | 1 |
| FORTUNE OPERATING COMPANY | Natural gas | 4.0 | 1 | 1 |
| DIRKS PETROLEUM COMPANY | Natural gas | 3.9 | 1 | 1 |
| BERKSHIRE OPERATING, LLC | Natural gas | 3.9 | 1 | 1 |
| MERIDIAN RESOURCE & EXPL LLC,THE | Crude oil | 3.9 | 2 | 1 |
| SHADOW PIPELINE CORPORATION | Crude oil | 3.9 | 1 | 1 |
| ABILENE DC 1, LLC | Natural gas | 3.9 | 2 | 1 |
| WMO OIL, LLC | Natural gas | 3.9 | 1 | 1 |
| GEONATURAL RESOURCES, INC. | Natural gas | 3.9 | 1 | 1 |
| WEATHERS EXPLORATION, INC. | Natural gas | 3.8 | 1 | 3 |
| DYNAMIC PRODUCTION, INC. | Natural gas | 3.8 | 2 | 1 |
| SOUTH FORK RENEWABLE ENERGY, LLC | Natural gas | 3.8 | 1 | 1 |
| AETERNUM ENERGY, LLC | Natural gas | 3.8 | 1 | 1 |
| MOBIL OIL CORPORATION | Natural gas | 3.8 | 1 | 1 |
| PECOS POWER PLANT LLC | Natural gas | 3.8 | 1 | 1 |
| J & J SERVICES COMPANY | Natural gas | 3.8 | 1 | 1 |
| ALCO OIL & GAS CO. LLC | Crude oil | 3.8 | 1 | 1 |
| MOOSE OPERATING CO., INC. | Natural gas | 3.8 | 1 | 1 |
| VENTURE PIPELINE COMPANY | Natural gas | 3.8 | 1 | 2 |
| AZIMUTH ENERGY, LLC | Natural gas | 3.8 | 1 | 2 |
| BLACKBEARD OPERATING, LLC | Crude oil | 3.8 | 1 | 2 |
| RIDDLE ENGINEERING CORP. | Natural gas | 3.8 | 1 | 1 |
| TD NATURAL RESOURCES LLC | Natural gas | 3.8 | 1 | 1 |
| PI ENERGY, INC. | Crude oil+1 | 3.8 | 3 | 2 |
| MAVERICK TERM THREE RIVERS, LLC | Crude oil+2 | 3.8 | 1 | 1 |
| CONTINENTAL TREND RESOURCES, INC | Natural gas | 3.8 | 1 | 1 |
| WALSH & WATTS, INC. | Crude oil+1 | 3.8 | 1 | 2 |
| RED WOLF OIL COMPANY, INC. | Natural gas | 3.8 | 1 | 1 |
| TEMA OIL AND GAS COMPANY | Natural gas | 3.7 | 2 | 3 |
| KINGWOOD EXPLORATION LLC | Natural gas | 3.7 | 1 | 1 |
| ORECA GAS CORPORATION | Natural gas | 3.7 | 1 | 2 |
| LOUTEX PRODUCTION COMPANY | Natural gas | 3.7 | 1 | 1 |
| CAZA OPERATING, LLC | Natural gas | 3.7 | 1 | 1 |
| EASTON ENERGY PIPELINES LLC | Highly volatile liquid+1 | 3.7 | 4 | 1 |
| TRINITY RIVER ENERGY OPER, LLC | Natural gas | 3.6 | 1 | 2 |
| NORTHSTAR OFFSHORE VENTURES LLC | Natural gas | 3.6 | 1 | 1 |
| STROUD PETROLEUM, INC. | Natural gas | 3.6 | 1 | 1 |
| PORSCHE PIPELINE, LTD. | Natural gas | 3.6 | 1 | 1 |
| CONCHO GATHERING COMPANY | Natural gas | 3.6 | 1 | 2 |
| FEAGAN GATHERING COMPANY | Natural gas | 3.6 | 1 | 2 |
| GEOTERRE OPERATING, L.L.C. | Natural gas | 3.6 | 1 | 1 |
| LEESBURG LP | Highly volatile liquid+1 | 3.5 | 2 | 1 |
| HAMILTON PIPELINE, INC. | Natural gas | 3.5 | 1 | 1 |
| HOUSTON REFINING LP | Crude oil+2 | 3.5 | 7 | 1 |
| MINYAK PRODUCING COMPANY, INC. | Natural gas | 3.5 | 1 | 1 |
| MARTIN, JIMMY INC | Natural gas | 3.5 | 1 | 1 |
| ARMOR RESOURCES LLC | Natural gas | 3.5 | 1 | 1 |
| L.O.G. ENERGY EXPLORATION, LTD. | Natural gas | 3.5 | 1 | 1 |
| SEAGULL PRODUCTS PIPELINE CORP. | Natural gas | 3.5 | 1 | 1 |
| COMSTOCK OIL & GAS, LP | Natural gas | 3.5 | 1 | 1 |
| CATFISH MINERALS LLC | Natural gas | 3.5 | 1 | 1 |
| HAWKBEND LLC | Natural gas | 3.5 | 1 | 2 |
| CENTURION EXPLORATION COMPANY | Natural gas | 3.5 | 1 | 1 |
| HUNTINGTON ENERGY, L.L.C. | Natural gas | 3.4 | 1 | 1 |
| DALLAS PRODUCTION, INC. | Natural gas | 3.4 | 1 | 1 |
| BMP TEXOMA, LLC | Natural gas | 3.4 | 3 | 1 |
| WELDER EXPLORATION & PROD., INC. | Natural gas | 3.4 | 1 | 2 |
| CRATON ETX GATHERING UTILITY,LLC | Natural gas | 3.4 | 1 | 1 |
| HOBBS ENERGY CORPORATION | Natural gas | 3.4 | 1 | 2 |
| JEFFERSON RAILPORT TERM I TX LLC | Crude oil+1 | 3.4 | 4 | 1 |
| SEDONA OIL & GAS CORP. | Natural gas | 3.4 | 1 | 1 |
| MARSHALL, SAM | Natural gas | 3.4 | 1 | 1 |
| FLASH GAS & OIL SOUTHWEST, INC. | Natural gas | 3.4 | 1 | 1 |
| ODUM OIL & GAS CO. | Natural gas | 3.4 | 1 | 1 |
| DIGITAL OPERATING COMPANY LLC | Natural gas | 3.4 | 2 | 1 |
| AXIS ENERGY CORPORATION | Natural gas | 3.4 | 1 | 1 |
| ELECTRAGAS, INC. | Crude oil | 3.4 | 1 | 1 |
| ENERQUEST OPERATING L.L.C. | Natural gas | 3.4 | 1 | 1 |
| BASTROP ENERGY PARTNERS LP | Natural gas | 3.3 | 1 | 1 |
| KAISER-FRANCIS OIL COMPANY | Natural gas | 3.3 | 1 | 3 |
| POP OPERATING COMPANY | Natural gas | 3.3 | 1 | 2 |
| HUNTSMAN PETROCHEMICAL LLC | Natural gas | 3.3 | 1 | 1 |
| SOUTHCOAST PRODUCTION INC | Crude oil+1 | 3.3 | 3 | 2 |
| WESTERN ENERGY GROUP, LLC | Crude oil+1 | 3.3 | 2 | 1 |
| WAPITI OPERATING, LLC | Natural gas | 3.3 | 1 | 1 |
| DOUBLE BARREL OIL LLC | Natural gas | 3.3 | 1 | 1 |
| CORLENA OIL COMPANY | Natural gas | 3.3 | 1 | 1 |
| BEAUMONT NEW AMMONIA LLC | Other+1 | 3.3 | 5 | 1 |
| BNSF RAILWAY COMPANY | Refined liquid product | 3.3 | 1 | 1 |
| JLV PIPELINE, LLC | Natural gas | 3.3 | 1 | 2 |
| IRON RIDGE OPERATING, LLC | Natural gas | 3.3 | 2 | 2 |
| LONG TRUSTS, THE | Natural gas | 3.3 | 1 | 1 |
| CIMARRON ENGINEERING, LLC | Natural gas | 3.2 | 1 | 1 |
| SIXESS ENERGY, LLC | Natural gas | 3.2 | 1 | 1 |
| SAGE CREEK ENERGY PARTNERS, LLC | Natural gas | 3.2 | 3 | 1 |
| GENESIS CRUDE OIL, L.P. | Crude oil | 3.2 | 1 | 1 |
| TYTEX GAS GATHERING SYSTEMS, LLC | Natural gas | 3.2 | 1 | 1 |
| NORTH RIDGE CORPORATION | Natural gas | 3.2 | 2 | 1 |
| KCS RESOURCES, INC. | Crude oil+1 | 3.2 | 1 | 2 |
| WHITE OAK OPERATING COMPANY LLC | Natural gas | 3.2 | 1 | 2 |
| BUCKEYE FIELD SERVICES LLC | Crude oil | 3.2 | 1 | 1 |
| ESCO OIL OPERATING COMPANY LLC | Natural gas | 3.2 | 1 | 1 |
| WOLF ENERGY, INC. | Natural gas | 3.2 | 2 | 1 |
| PLATINUM EXPLORATION INC. | Natural gas | 3.2 | 1 | 1 |
| INLAND OCEAN, INC. | Natural gas | 3.2 | 1 | 1 |
| THORP PETROLEUM CORPORATION | Natural gas | 3.2 | 1 | 1 |
| MOTIVA PIPELINE LLC | Crude oil | 3.2 | 1 | 1 |
| REA OIL & GAS, INC. | Natural gas | 3.1 | 1 | 1 |
| BC OPERATING, INC. | Natural gas | 3.1 | 1 | 1 |
| VITAL ENERGY, INC. | Crude oil | 3.1 | 1 | 1 |
| COPANO PROCESSING LLC | Highly volatile liquid | 3.1 | 1 | 1 |
| CENTRAL TEXAS BIOGAS LLC | Natural gas | 3.1 | 1 | 1 |
| INDORAMA VENTURES (O&G) LLC | Refined liquid product | 3.1 | 1 | 1 |
| KODIAK PIPELINE L. L. C. | Crude oil | 3.1 | 1 | 1 |
| CORDA CORPORATION | Natural gas | 3.1 | 1 | 2 |
| TITAN PIPELINE COMPANY, LLC | Natural gas | 3.1 | 1 | 1 |
| GULFTEX ENERGY III, LP | Natural gas | 3.1 | 1 | 1 |
| ALLIED OPERATING TEXAS, LLC | Crude oil+1 | 3.1 | 1 | 2 |
| LIG GAS COMPANY, LLC | Natural gas | 3.1 | 1 | 1 |
| CHASLA ENERGY, LLC | Natural gas | 3.1 | 1 | 1 |
| SINTON ENERGY COMPANY | Natural gas | 3.1 | 1 | 1 |
| NORDSTRAND ENGINEERING, INC. | Natural gas | 3.1 | 2 | 2 |
| DOW CHEMICAL COMPANY, THE | Natural gas+1 | 3.1 | 2 | 1 |
| ENPOWER RESOURCES INC. | Natural gas | 3.1 | 1 | 1 |
| CHAMPLIN PETROLEUM CO. | Crude oil | 3.1 | 1 | 1 |
| BLACK MOUNTAIN SAND, LLC | Natural gas | 3.1 | 1 | 1 |
| CPML LLC | Natural gas | 3.1 | 1 | 1 |
| TEXAS COASTAL PIPELINE, LLC | Crude oil | 3.0 | 1 | 2 |
| DAL-TILE CORPORATION | Natural gas | 3.0 | 1 | 1 |
| KODIAK OPERATING, LLC | Natural gas | 3.0 | 1 | 1 |
| DOGGY OIL CORP | Natural gas | 3.0 | 1 | 2 |
| FORDYCE OIL & GAS, LLC | Natural gas | 3.0 | 2 | 1 |
| FIRSTRIKE ENERGY CORPORATION | Natural gas | 3.0 | 1 | 1 |
| NATGAS INC. | Natural gas | 3.0 | 1 | 1 |
| SPINDLETOP OIL & GAS COMPANY | Natural gas | 3.0 | 1 | 1 |
| SPRINGFIELD OIL SERVICES, INC. | Natural gas | 2.9 | 1 | 1 |
| ENRON OIL & GAS COMPANY | Natural gas | 2.9 | 1 | 1 |
| ROOSTER PETROLEUM, LLC | Natural gas | 2.9 | 1 | 1 |
| PERDIDO ENERGY, LLC | Natural gas | 2.9 | 2 | 2 |
| VISION OIL AND GAS LLC | Natural gas | 2.9 | 1 | 1 |
| CELANESE LTD. | Natural gas | 2.9 | 1 | 1 |
| AMPAK OIL COMPANY | Natural gas | 2.9 | 1 | 1 |
| CORPUS CHRISTI OIL & GAS CO. | Natural gas | 2.9 | 1 | 1 |
| MIDAS PIPELINE CORP. | Natural gas | 2.9 | 1 | 1 |
| DE LA TORRE OIL & GAS, INC | Natural gas | 2.9 | 1 | 1 |
| BOPCO, L.P. | Natural gas | 2.9 | 2 | 2 |
| ALEGRE ENERGY, INC. | Natural gas | 2.8 | 1 | 2 |
| MORMAR FAMILY HOLDINGS, L.L.C. | Natural gas | 2.8 | 1 | 1 |
| OKIE OPERATING COMPANY, LTD. | Natural gas | 2.8 | 1 | 2 |
| WARRIOR GAS CO. | Natural gas | 2.8 | 1 | 1 |
| BASS ENTERPRISES PRODUCTION CO. | Natural gas | 2.8 | 1 | 1 |
| EAGLE ENERGY DEVELOPMENT CO | Natural gas | 2.8 | 1 | 1 |
| G.M.T. CO. INC. | Natural gas | 2.8 | 1 | 1 |
| MASTERS RESOURCES, L.L.C. | Natural gas | 2.8 | 1 | 1 |
| HIGHLANDS PIPELINE COMPANY, L.C. | Natural gas | 2.8 | 2 | 1 |
| PRODUCERS OPERATING CO., INC. | Natural gas | 2.8 | 1 | 1 |
| GLADEWATER GATHERING CO LP | Crude oil | 2.8 | 3 | 2 |
| CITY OF RISING STAR | Natural gas | 2.7 | 1 | 2 |
| SAN JACINTO GATHERING CORP. | Natural gas | 2.7 | 1 | 1 |
| EMPIRICAL PIPELINE CO. LLC | Natural gas | 2.7 | 1 | 1 |
| RYDER SCOTT MANAGEMENT, LLC | Natural gas | 2.7 | 1 | 1 |
| LYONDELL-CITGO REFINING LP | Natural gas | 2.7 | 2 | 1 |
| ONEOK FIELD SERVICES COMPANY | Natural gas | 2.7 | 1 | 3 |
| TEXAS LAND & PETRO CO., LLC | Natural gas | 2.7 | 1 | 1 |
| DELTA OIL & GAS LTD. | Natural gas | 2.7 | 1 | 1 |
| LANDVIEW PRODUCTION COMPANY | Natural gas | 2.7 | 1 | 1 |
| UNDERGROUND SERVICES MARKHAM,LLC | Highly volatile liquid+1 | 2.7 | 2 | 1 |
| WARRIOR RESOURCES INC. | Crude oil | 2.7 | 1 | 1 |
| WILSON RESOURCES, INC. | Natural gas | 2.7 | 1 | 1 |
| AUSTIN GATHERING SYSTEMS, INC. | Natural gas | 2.7 | 1 | 2 |
| MEGO RESOURCES, LLC | Natural gas | 2.7 | 1 | 1 |
| WESTLAKE US 2 LLC | Highly volatile liquid | 2.7 | 1 | 1 |
| WANDOO ENERGY, LLC | Natural gas | 2.6 | 2 | 2 |
| WTG HUBBARD TRANSMISSION, LLC | Natural gas | 2.6 | 1 | 2 |
| RIO PETROLEUM, INC. | Natural gas | 2.6 | 1 | 2 |
| GALLOWAY LONE STAR, L.L.C. | Natural gas | 2.6 | 1 | 1 |
| TRANSTEXAS GAS CORPORATION | Natural gas | 2.6 | 1 | 1 |
| HEP GAS SERVICES, LLC | Natural gas | 2.6 | 1 | 1 |
| J6 OPERATING, LLC | Natural gas | 2.6 | 1 | 1 |
| ALBEMARLE CORPORATION | Natural gas | 2.6 | 1 | 1 |
| EC PRODUCTION LLC | Natural gas | 2.6 | 1 | 1 |
| MARLIN ENERGY SOUTHWEST GP, LLC | Crude oil+1 | 2.6 | 1 | 1 |
| ROGERS, S. K. OIL INC. | Natural gas | 2.6 | 1 | 1 |
| ROYALTY LAND & DEV. CO., INC. | Natural gas | 2.6 | 1 | 1 |
| ONEOK TEXAS ENERGY RESOURCES, LP | Natural gas | 2.6 | 2 | 1 |
| BOIS DARC GAS GATHERING, INC. | Natural gas | 2.6 | 1 | 1 |
| LC OPERATING, LLC | Natural gas | 2.6 | 1 | 1 |
| BBX OPERATING, L.L.C. | Natural gas | 2.5 | 1 | 1 |
| BLUE RIDGE RESOURCES, LLC | Natural gas | 2.5 | 1 | 1 |
| MIRAMAR PETROLEUM, INC. | Natural gas | 2.5 | 1 | 1 |
| ALLEGIANT RESOURCES, LLC | Natural gas | 2.5 | 1 | 1 |
| C. W. RESOURCES, INC. | Natural gas | 2.5 | 1 | 1 |
| FORZA OPERATING, LLC | Natural gas | 2.5 | 1 | 1 |
| CRAIG, CARL | Natural gas | 2.5 | 1 | 1 |
| FORT BEND POWER PRODUCERS, LLC | Natural gas | 2.5 | 1 | 1 |
| UMMA RESOURCES, LLC | Natural gas | 2.5 | 1 | 1 |
| L-RENO OIL AND GAS LLC | Natural gas | 2.5 | 1 | 1 |
| JOHNSON COUNTY POWER, LLC | Natural gas | 2.5 | 2 | 1 |
| WR RESOURCES, LLC | Natural gas | 2.5 | 1 | 1 |
| BAYOU PIPELINE CORPORATION (B) | Natural gas | 2.5 | 1 | 1 |
| LARGO OIL COMPANY | Natural gas | 2.5 | 1 | 1 |
| MINGUS OIL & GAS | Natural gas | 2.4 | 1 | 1 |
| CITORI OIL COMPANY, LLC | Natural gas | 2.4 | 1 | 1 |
| SHAIDA, JOHN H. | Natural gas | 2.4 | 1 | 1 |
| SCURLOCK PERMIAN LLC | Crude oil | 2.4 | 1 | 1 |
| TRANS BRAZOS ENERGY CORP. | Natural gas | 2.4 | 1 | 2 |
| ENCINA RESOURCES, LLC | Natural gas | 2.4 | 1 | 1 |
| CHISOS, LTD. | Natural gas | 2.4 | 1 | 1 |
| PETRO HALEY | Natural gas | 2.4 | 1 | 1 |
| DCP TEXAS INTRASTATE PL, LLC | Natural gas | 2.4 | 1 | 1 |
| QNK ENERGY,INC. | Natural gas | 2.4 | 1 | 1 |
| LIBERTY OPERATING COMPANY, INC. | Natural gas | 2.4 | 1 | 1 |
| TEXPLOR T & T CORPORATION | Natural gas | 2.4 | 1 | 1 |
| ENDURANCE RESOURCES LLC | Natural gas | 2.4 | 1 | 1 |
| HOUSTON PETROLEUM COMPANY | Natural gas | 2.4 | 1 | 1 |
| BROWN OIL & GAS CO. | Natural gas | 2.4 | 1 | 1 |
| AC EXPLORATION, LLC | Natural gas | 2.4 | 1 | 2 |
| CHOLLA PETROLEUM, INC. | Natural gas | 2.3 | 1 | 1 |
| MEXCO ENERGY CORPORATION | Natural gas | 2.3 | 1 | 1 |
| NEW CENTURY EXPLORATION, INC. | Natural gas | 2.3 | 1 | 2 |
| VOYAGEUR PIPELINE, L.P. | Natural gas | 2.3 | 1 | 1 |
| BOARDWALK FIELD SERVICES, LLC | Crude oil | 2.3 | 1 | 1 |
| BLUESTEM RESOURCES LLC | Natural gas | 2.3 | 1 | 1 |
| D90 ENERGY, LLC | Natural gas | 2.3 | 1 | 1 |
| C.B. PRODUCTION | Natural gas | 2.3 | 1 | 1 |
| HVE MAINTENANCE, LLC | Natural gas | 2.3 | 1 | 1 |
| CL&F OPERATING LLC | Natural gas | 2.3 | 1 | 1 |
| WARPATH PIPELINE COMPANY | Natural gas | 2.2 | 1 | 1 |
| CORRIENTE OPERATING COMPANY LLC | Natural gas | 2.2 | 1 | 1 |
| SEELY OIL COMPANY | Natural gas | 2.2 | 1 | 1 |
| ANNONA PIPELINE, L.L.C. | Natural gas | 2.2 | 1 | 1 |
| GRAWARD OPERATING, INC. | Natural gas | 2.2 | 1 | 1 |
| ALPINE HIGH GATHERING LP | Natural gas | 2.2 | 1 | 1 |
| ROSETTA ENERGY PARTNERS, L.P. | Natural gas | 2.2 | 1 | 1 |
| DUNCAN OIL, INC. | Natural gas | 2.2 | 1 | 1 |
| WATERMAN OIL & GAS, INC. | Natural gas | 2.2 | 1 | 1 |
| PRINCESS THREE OPERATING, LLC | Natural gas | 2.2 | 2 | 2 |
| STONEGATE PRODUCTION COMPANY,LLC | Natural gas | 2.2 | 1 | 2 |
| GATEWAY CORRIGAN LLC | Natural gas | 2.2 | 1 | 1 |
| OGDEN RESOURCES CORPORATION | Natural gas | 2.2 | 1 | 1 |
| NGL CRUDE TERMINALS, LLC | Crude oil | 2.1 | 1 | 1 |
| OTEX RESOURCES LLC | Natural gas | 2.1 | 1 | 1 |
| GETTY OIL CO. | Natural gas | 2.1 | 1 | 1 |
| PALACE OPERATING COMPANY | Natural gas | 2.1 | 1 | 2 |
| MASCOT PIPELINE, LLC | Natural gas | 2.1 | 1 | 1 |
| DENIKE GAS SYSTEM, INC. | Natural gas | 2.1 | 1 | 1 |
| PITTS ENERGY CO. | Natural gas | 2.1 | 1 | 2 |
| SOUTH HOUSTON PRODUCTION COMPANY | Natural gas | 2.1 | 1 | 1 |
| BARCO PIPELINE SERVICE LIMITED | Natural gas | 2.1 | 1 | 1 |
| COWBOY PIPELINE OPERATORS LLC | Natural gas+1 | 2.1 | 2 | 1 |
| PHILLIPS, BOB | Natural gas | 2.1 | 1 | 1 |
| MCGEE, TOM CORPORATION | Natural gas | 2.1 | 1 | 1 |
| BRP PIPELINE COMPANY, INC. | Natural gas | 2.1 | 1 | 1 |
| RIVERSIDE PIPELINE, L.P. | Natural gas | 2.1 | 1 | 1 |
| CONTRACT ENERGY, L.L.C. | Natural gas | 2.0 | 1 | 1 |
| TRACER OPERATING, INC. | Natural gas | 2.0 | 1 | 1 |
| TRI-UNION OPERATING COMPANY | Crude oil | 2.0 | 1 | 2 |
| DYNAMIC OFFSHORE RES. NS, LLC | Natural gas | 2.0 | 1 | 1 |
| STM OIL & GAS LLC | Natural gas | 2.0 | 1 | 1 |
| ZINN PETROLEUM CO. | Natural gas | 2.0 | 2 | 3 |
| PETROGULF CORPORATION | Natural gas | 2.0 | 1 | 1 |
| TXOK TEXAS ENERGY RESOURCES,L.P. | Natural gas | 2.0 | 1 | 1 |
| RAWLINS OPERATING COMPANY, LLC | Natural gas | 2.0 | 1 | 1 |
| DIXIELAND ENERGY LLC | Natural gas | 2.0 | 1 | 1 |
| TRANSMONTAIGNE OP CO L.P. | Refined liquid product | 2.0 | 1 | 1 |
| CAIRD OPERATING, LLC | Natural gas | 2.0 | 1 | 1 |
| CANAN OPERATING, INC. | Natural gas | 2.0 | 1 | 1 |
| SOUTHERN OIL OF LOUISIANA LLC | Natural gas | 2.0 | 1 | 1 |
| BURLINGTON RES O & G CO-MIDLAND | Natural gas | 1.9 | 1 | 1 |
| LARISSA GATHERING, LLC | Natural gas | 1.9 | 1 | 1 |
| LONE OAK ENERGY INC | Natural gas | 1.9 | 1 | 2 |
| HALL, D. CORPORATION | Natural gas | 1.9 | 1 | 1 |
| SKLAR EXPLORATION COMPANY LLC | Natural gas | 1.9 | 1 | 1 |
| BRILEY OPERATING, LLC | Natural gas | 1.9 | 1 | 1 |
| RICHEY OPERATING, INC. | Natural gas | 1.9 | 1 | 1 |
| WESTERN REFINING TERMINALS, LLC | Crude oil+2 | 1.9 | 1 | 1 |
| LIQUID PETROLEUM RESOURCES, INC. | Natural gas | 1.9 | 1 | 1 |
| PEREGRINE PIPELINE COMPANY L.P. | Natural gas | 1.9 | 1 | 2 |
| TYLUDADEDA, LLC | Natural gas | 1.9 | 1 | 1 |
| PARDUS OIL & GAS OPERATING, LP | Natural gas | 1.9 | 1 | 1 |
| NORTH TEXAS CARBON, LLC | Carbon dioxide | 1.9 | 1 | 1 |
| FITE OIL & GAS, INC. | Natural gas | 1.9 | 1 | 1 |
| SHERWIN ALUMINA COMPANY, LLC | Natural gas | 1.9 | 1 | 1 |
| BOLDING ENERGY, LLC | Natural gas | 1.9 | 1 | 1 |
| WINFIELD OPERATING COMPANY | Natural gas | 1.9 | 1 | 1 |
| MAGNUM OPERATING, LLC | Natural gas | 1.9 | 1 | 2 |
| BETTIS, BOYLE & STOVALL | Natural gas | 1.9 | 1 | 1 |
| UMC PETROLEUM CORPORATION | Natural gas | 1.9 | 1 | 1 |
| ALPHA OIL & GAS LLC | Natural gas | 1.9 | 1 | 1 |
| TEXAS EASTERN TRANSMISSION CORP. | Natural gas | 1.8 | 1 | 1 |
| SEKISUI SPECIALTY CHEM AMER, LLC | Refined liquid product | 1.8 | 1 | 1 |
| AWP OPERATING COMPANY | Natural gas | 1.8 | 1 | 1 |
| J&G OIL & GAS | Natural gas | 1.8 | 1 | 1 |
| MODENA OPERATING LLC | Natural gas | 1.8 | 1 | 1 |
| EDINBURG RENEWABLES, LLC | Natural gas | 1.8 | 1 | 1 |
| SUNBRIDGE ENERGY SERVICES, LLC | Natural gas | 1.8 | 1 | 1 |
| QUESTAR EXPL. AND PROD. CO. | Natural gas | 1.8 | 1 | 1 |
| ATASCA RESOURCES, INC. | Natural gas | 1.8 | 1 | 1 |
| DUKE ENERGY NGL OPERATING, LLC | Crude oil | 1.8 | 1 | 1 |
| D. G. MILLER PIPELINE, LP | Natural gas | 1.8 | 1 | 1 |
| ROADRUNNER ONE, LLC | Natural gas | 1.8 | 1 | 1 |
| SK & CO. OIL AND GAS OPER., LLC | Natural gas | 1.8 | 1 | 1 |
| TEXAS SOUTHEASTERN GAS GATH CO | Natural gas | 1.8 | 3 | 2 |
| HALEX OIL CORPORATION | Natural gas | 1.7 | 1 | 1 |
| YORDES ENERGY, LLC | Natural gas | 1.7 | 1 | 1 |
| MOTIVA CHEMICALS LLC | Natural gas | 1.7 | 1 | 1 |
| 9K INVESTMENTS LLC | Natural gas | 1.7 | 1 | 2 |
| PALEO OIL COMPANY LLC | Natural gas | 1.7 | 1 | 1 |
| COTTON VALLEY OPERATIONS, INC. | Natural gas | 1.7 | 1 | 1 |
| WOOD COUNTY GAS PARTNERS NO1,LTD | Natural gas | 1.7 | 1 | 1 |
| PREMIER NATURAL RESOURCES II,LLC | Natural gas | 1.7 | 1 | 1 |
| GATHERER MIDSTREAM, LLC | Crude oil | 1.7 | 1 | 1 |
| KEATING ENERGY, INC. | Natural gas | 1.7 | 1 | 1 |
| KD ENERGY, LLC | Natural gas | 1.7 | 1 | 1 |
| KIMBERLIN ENERGY GROUP | Natural gas | 1.7 | 1 | 1 |
| RHYNE, J.V. | Natural gas | 1.7 | 1 | 2 |
| WILLOWBEND INVESTMENTS, INC. | Natural gas | 1.7 | 1 | 1 |
| FOREST OIL PERMIAN CORPORATION | Natural gas | 1.7 | 1 | 1 |
| CITY OF WHITE DEER | Natural gas | 1.6 | 1 | 1 |
| PRIMROSE RESOURCES, LLC | Natural gas | 1.6 | 1 | 1 |
| STRATCO OPERATING CO., INC. | Natural gas | 1.6 | 1 | 1 |
| VESTIGE ENERGY, LLC | Natural gas | 1.6 | 1 | 1 |
| LUXOR OIL & GAS, INC. | Natural gas | 1.6 | 1 | 1 |
| CLR SECONDARY RECOVERY, LLC | Natural gas | 1.6 | 1 | 1 |
| ROOSTH PRODUCTION CO. | Natural gas | 1.6 | 1 | 1 |
| TEJAS SHIP CHANNEL COMPANY | Natural gas | 1.6 | 1 | 1 |
| KIRKPATRICK, JOHN OIL LLC | Natural gas | 1.6 | 1 | 1 |
| TRANS-SABINE PIPELINE CORP. | Natural gas | 1.6 | 1 | 1 |
| VAST OIL TX OPERATING LLC | Natural gas | 1.6 | 1 | 1 |
| VENADO OPERATING COMPANY LLC | Natural gas | 1.6 | 1 | 1 |
| KODIAK OIL & GAS, INC. | Natural gas | 1.6 | 1 | 1 |
| ARP BARNETT, LLC | Natural gas | 1.6 | 1 | 1 |
| DIAMOND SHAMROCK REF. CO., L.P. | Highly volatile liquid | 1.6 | 1 | 1 |
| SETTING SUN PIPELINE CORPORATION | Natural gas | 1.6 | 1 | 1 |
| FOUNDATION ENERGY MANAGEMENT LLC | Natural gas | 1.6 | 1 | 1 |
| LEGEND GATHERING COMPANY LLC | Natural gas | 1.5 | 1 | 1 |
| YUMA E & P COMPANY, INC. | Natural gas | 1.5 | 1 | 1 |
| UNIVERSAL NATURAL GAS, INC | Natural gas | 1.5 | 1 | 1 |
| MCGREGOR - WACO STORAGE, INC. | Natural gas | 1.5 | 1 | 2 |
| GRYPHON EXPLORATION COMPANY | Natural gas | 1.5 | 1 | 1 |
| PALM PETROLEUM CORP. | Refined liquid product | 1.5 | 1 | 1 |
| MAVERICK TERMINALS CORPUS, LLC | Refined liquid product | 1.5 | 1 | 1 |
| 5P GAS PIPELINE COMPANY | Natural gas | 1.5 | 1 | 1 |
| SEISMIC INVESTMENT GROUP, INC. | Natural gas | 1.5 | 1 | 1 |
| AIRCRAFT SVC INTERNATIONAL, INC. | Refined liquid product | 1.5 | 2 | 1 |
| NOONDAY EXPLORATION, LLC | Natural gas | 1.5 | 1 | 1 |
| ENERGY ASSETS OPERATING CO., LLC | Natural gas | 1.5 | 1 | 1 |
| CAGO, INC. | Natural gas | 1.5 | 1 | 1 |
| LINDE GAS NORTH AMERICA LLC | Natural gas | 1.5 | 1 | 1 |
| MUSTANG FUEL CORPORATION | Natural gas | 1.5 | 1 | 3 |
| TRINITY RIVER PIPELINE, LLC | Natural gas | 1.5 | 1 | 1 |
| SHEER ENERGY, LLC | Natural gas | 1.5 | 1 | 1 |
| NRG TEXAS POWER LLC | Natural gas | 1.4 | 1 | 1 |
| OCEAN ENERGY, INC. | Natural gas | 1.4 | 1 | 1 |
| TRINIDAD RESOURCES, LLC | Natural gas | 1.4 | 1 | 1 |
| LEGEND NATURAL GAS IV, LP | Natural gas | 1.4 | 1 | 1 |
| TRESTLE CREEK PROPERTIES, LLC | Natural gas | 1.4 | 1 | 1 |
| ENDEAVOR PIPELINE INC. | Natural gas | 1.4 | 1 | 2 |
| 3111 MIDSTREAM OPERATING CO, LLC | Crude oil | 1.4 | 1 | 1 |
| BLUE RIDGE RENEWABLES, LLC | Natural gas | 1.4 | 2 | 1 |
| PHOENIX HYDROCARBONS OPERATING | Natural gas | 1.4 | 1 | 1 |
| NEW DAWN ENERGY, LLC | Natural gas | 1.4 | 1 | 1 |
| CULVER & CAIN PRODUCTION LLC | Natural gas | 1.4 | 1 | 1 |
| BLACK MOUNTAIN STX I LLC | Natural gas | 1.4 | 1 | 1 |
| PEBA OIL & GAS, INC. | Natural gas | 1.4 | 1 | 1 |
| GREGORY CONNECTOR, LLC | Natural gas | 1.4 | 1 | 1 |
| EXPRESS OIL CO. | Natural gas | 1.4 | 1 | 1 |
| REDBUD E & P, INC. | Natural gas | 1.4 | 1 | 1 |
| ENBRIDGE PIPELINES (E. TX) L.P. | Natural gas | 1.4 | 1 | 1 |
| EROC GATHERING COMPANY, LP | Natural gas | 1.4 | 1 | 1 |
| BOWLES PROPERTIES, INC. | Natural gas | 1.4 | 1 | 1 |
| ENOGEX INC. | Natural gas | 1.4 | 1 | 1 |
| TEXAS HILL COUNTRY GAS TRAN, LLC | Natural gas | 1.4 | 1 | 1 |
| NOG PRODUCTION & OPERATING LLC | Natural gas | 1.4 | 1 | 1 |
| ALADDIN ENERGY, INC. | Natural gas | 1.4 | 1 | 1 |
| WESTERN GULF OIL & GAS, LLC | Natural gas | 1.4 | 1 | 1 |
| SPRINGFIELD GAS SYSTEMS, LLC | Natural gas | 1.4 | 1 | 1 |
| CHRISTIE GAS CORPORATION | Natural gas | 1.4 | 1 | 1 |
| VIRTEX OPERATING COMPANY, INC. | Natural gas | 1.4 | 1 | 1 |
| SPENCE, RALPH OIL COMPANY, INC. | Natural gas | 1.4 | 1 | 1 |
| EGL OIL AND GAS CORPORATION | Natural gas | 1.4 | 1 | 1 |
| ENERGY XXI TEXAS ONSHORE, LLC | Natural gas | 1.4 | 1 | 1 |
| LERA | Natural gas | 1.3 | 1 | 1 |
| BRANGUS ENERGY LLC | Natural gas | 1.3 | 1 | 1 |
| TENISON OIL COMPANY | Natural gas | 1.3 | 1 | 1 |
| FAULCONER, VERNON E., INC. | Natural gas | 1.3 | 2 | 2 |
| DELTA EXPLORATION COMPANY, INC. | Natural gas | 1.3 | 1 | 1 |
| W & T OFFSHORE, INC. | Natural gas | 1.3 | 1 | 1 |
| VANDEVEER ENERGY, LLC | Natural gas | 1.3 | 1 | 1 |
| REWILMA, INC. | Natural gas | 1.3 | 1 | 1 |
| J-W GATHERING COMPANY | Natural gas | 1.3 | 1 | 1 |
| BORDERLINE OPERATING CORP. | Natural gas | 1.3 | 1 | 1 |
| GULFTEX ENERGY IV, LP | Natural gas | 1.3 | 1 | 1 |
| HGX GAS TRANSMISSION CORPORATION | Natural gas | 1.3 | 1 | 1 |
| D & R ENTERPRISES | Natural gas | 1.3 | 1 | 1 |
| DE CENTRAL OPERATING, LLC | Natural gas | 1.3 | 1 | 1 |
| HOUSTON GULF ENERGY CORPORATION | Natural gas | 1.3 | 1 | 1 |
| VICEROY PETROLEUM, LP | Natural gas | 1.3 | 1 | 1 |
| MAGUIRE OIL COMPANY | Natural gas | 1.3 | 1 | 1 |
| HARLETON OIL & GAS INC. | Natural gas | 1.3 | 1 | 1 |
| ALCHEMIST ENERGY MIDSTREAM, LLC | Natural gas | 1.3 | 2 | 2 |
| ANADARKO E&P ONSHORE LLC | Natural gas | 1.3 | 1 | 2 |
| EXPRO ENGINEERING, INC. | Natural gas | 1.2 | 2 | 1 |
| CONTANGO RESOURCES, INC. | Natural gas | 1.2 | 1 | 1 |
| GWM OPERATING COMPANY, LLC | Natural gas | 1.2 | 1 | 1 |
| SND OPERATING, L.L.C. | Natural gas | 1.2 | 1 | 1 |
| HOLT OIL AND CATTLE LLC | Natural gas | 1.2 | 1 | 1 |
| FROST BROTHERS PIPELINE, LLC | Natural gas | 1.2 | 2 | 1 |
| THREE-B OIL COMPANY, THE | Natural gas | 1.2 | 1 | 1 |
| VICKERS PRODUCTION COMP L.L.C. | Natural gas | 1.2 | 1 | 1 |
| IRON ORCHARD OPERATING LLC | Natural gas | 1.2 | 1 | 1 |
| SAXUM OIL & GAS, LLC | Natural gas | 1.2 | 1 | 1 |
| DARTEX ENERGY CORPORATION | Natural gas | 1.2 | 1 | 1 |
| VANTAGE FORT WORTH ENERGY LLC | Natural gas | 1.2 | 1 | 1 |
| 7S OIL & GAS, LLC | Natural gas | 1.2 | 1 | 1 |
| THIRD GEN ENERGY SERVICES LLC | Natural gas | 1.2 | 1 | 1 |
| BEPCO, L.P. | Crude oil | 1.2 | 1 | 1 |
| ROC GAS COMPANY | Natural gas | 1.2 | 1 | 1 |
| EVANS, S. LAVON JR. OPER. CO. | Natural gas | 1.2 | 1 | 1 |
| CHAROLAIS ENERGY, LLC | Natural gas | 1.1 | 1 | 1 |
| ARCADIA ENERGY RESOURCES, LLC | Natural gas | 1.1 | 1 | 1 |
| SIPCO GAS TRANSMISSION CORP. | Natural gas | 1.1 | 1 | 1 |
| ORBIS OIL AND GAS, L.L.C. | Natural gas | 1.1 | 1 | 1 |
| TEPEE PETROLEUM CO., INC. | Natural gas | 1.1 | 1 | 1 |
| SCHLITTLER, WILLARD | Natural gas | 1.1 | 1 | 2 |
| CREEDMOOR PIPELINE, L.L.C. | Natural gas | 1.1 | 1 | 1 |
| PITCO INVESTMENTS, LTD. | Natural gas | 1.1 | 1 | 1 |
| ENERGY PARTNERS, LTD. | Crude oil | 1.1 | 1 | 1 |
| BOARDWALK LA MIDSTREAM, LLC | Highly volatile liquid | 1.1 | 3 | 1 |
| HOUSTON FLUIDS & LEASING, LTD. | Natural gas | 1.1 | 1 | 1 |
| APTIAN GAS CORPORATION | Natural gas | 1.1 | 1 | 1 |
| MITSUBISHI INTERNATIONAL CORP | Highly volatile liquid | 1.1 | 1 | 1 |
| TALOS GULF COAST ONSHORE LLC | Natural gas | 1.1 | 1 | 1 |
| ONYX PIPELINE COMPANY, L.C. | Crude oil | 1.1 | 1 | 1 |
| DEL-TEX HYDROCARBONS, LTD. | Natural gas | 1.1 | 1 | 1 |
| MONGOOSE ENERGY, LLC | Natural gas | 1.1 | 1 | 1 |
| HK ENERGY OPERATING, LLC | Natural gas | 1.1 | 1 | 1 |
| FRESNO ENERGY LLC | Natural gas | 1.1 | 1 | 1 |
| INDIGO MINERALS LLC | Natural gas | 1.1 | 1 | 1 |
| 360 MINING, INC. | Natural gas | 1.1 | 1 | 1 |
| AQUILA SOUTHWEST PIPELINE CORP. | Natural gas | 1.1 | 1 | 1 |
| LEEXUS OIL LLC | Natural gas | 1.1 | 1 | 1 |
| DREYFUS, LOUIS NATURAL GAS CORP | Natural gas | 1.1 | 1 | 1 |
| STOVALL, HOWARD | Natural gas | 1.1 | 1 | 1 |
| TEXAS BRINE COMPANY,L.L.C. | Natural gas | 1.1 | 2 | 1 |
| SIERRA LIMA OIL & GAS, LLC | Natural gas | 1.1 | 1 | 1 |
| HEXAGON OIL AND GAS INC. | Natural gas | 1.1 | 1 | 1 |
| 4A OILFIELD ENTERPRISES, LLC | Natural gas | 1.1 | 1 | 1 |
| TECPETROL OPERATING LLC | Natural gas | 1.1 | 1 | 1 |
| ALLEGRO INVESTMENTS, INC. | Natural gas | 1.0 | 1 | 2 |
| AMERICAN SHORELINE, INC. | Natural gas | 1.0 | 1 | 1 |
| LITTLE, QUINTIN COMPANY,INC.,THE | Natural gas | 1.0 | 1 | 1 |
| MBX OPERATING LLC | Natural gas | 1.0 | 2 | 2 |
| PA PROSPECT LLC | Natural gas | 1.0 | 1 | 1 |
| ROBERTSON RESOURCES, INC. | Natural gas | 1.0 | 1 | 1 |
| BRANTA PRODUCTION COMPANY LLC | Natural gas | 1.0 | 1 | 1 |
| TBC PETROLEUM | Natural gas | 1.0 | 1 | 1 |
| PETROGEN, INCORPORATED | Natural gas | 1.0 | 1 | 1 |
| TEXAS INTERNATIONAL REFINING COM | Natural gas | 1.0 | 1 | 1 |
| SOUTH BOW TERMINALS LLC | Crude oil | 1.0 | 1 | 1 |
| COURSON OIL & GAS, INC. | Natural gas | 1.0 | 1 | 1 |
| BIG CREEK OPERATING COMPANY LLC | Natural gas | 0.9 | 1 | 2 |
| OMEGA ENERGY, LLC | Natural gas | 0.9 | 1 | 1 |
| HOPCO OPERATING, INC. | Natural gas | 0.9 | 1 | 1 |
| CHESAPEAKE ENERGY MARKETING, INC | Natural gas | 0.9 | 1 | 1 |
| LOBO PIPELINE COMPANY L.P. | Natural gas | 0.9 | 1 | 1 |
| LYONDELL-CITGO REFINING CO. LTD. | Refined liquid product | 0.9 | 1 | 1 |
| OPEX ENERGY, LLC | Natural gas | 0.9 | 1 | 1 |
| DUAL QUIVER OIL & GAS OP, LLC | Natural gas | 0.9 | 1 | 1 |
| BAY ROCK OPERATING COMPANY | Natural gas | 0.9 | 1 | 1 |
| REDBIRD OILFIELD SERVICES CORP. | Natural gas | 0.9 | 1 | 1 |
| WILLIAMS PROD. GULF COAST, L.P. | Natural gas | 0.9 | 1 | 1 |
| HUNTSMAN PETROCHEMICAL CORP. | Refined liquid product | 0.9 | 1 | 1 |
| TUCKER ENERGY SOLUTIONS, LLC | Natural gas | 0.9 | 1 | 1 |
| VALERO LOGISTICS OPERATIONS LP | Refined liquid product | 0.9 | 1 | 1 |
| SILVERBROOK OPERATING, LLC | Natural gas | 0.9 | 1 | 1 |
| BARNETT GATHERING COMPANY, LLC | Natural gas | 0.9 | 1 | 1 |
| OIL CAPITAL OPERATING, LLC | Natural gas | 0.9 | 1 | 1 |
| BIG C GATHERING, LLC | Natural gas | 0.9 | 1 | 1 |
| WHITTINGTON OPERATING COMPANY | Natural gas | 0.9 | 1 | 1 |
| WOODWARD PIPELINE, INC. | Natural gas | 0.9 | 1 | 1 |
| EAST TEXAS RENEWABLES, LLC | Natural gas | 0.9 | 1 | 1 |
| LIONS DEN OPERATING LLC | Natural gas | 0.9 | 1 | 1 |
| PONDEROSA TX OPERATING LLC | Natural gas | 0.8 | 1 | 1 |
| PONDEROSA GATHERING L.L.C. | Natural gas | 0.8 | 1 | 1 |
| PDC PERMIAN, INC. | Natural gas | 0.8 | 1 | 1 |
| QUINTANA PET. CORP. | Natural gas | 0.8 | 1 | 1 |
| GPM AUSTIN GATHERING CO, LLC | Refined liquid product | 0.8 | 1 | 1 |
| AMOCO GAS COMPANY | Natural gas | 0.8 | 1 | 1 |
| STAMPER OPERATING CO., INC. | Natural gas | 0.8 | 1 | 1 |
| UCAR PIPELINE INCORPORATED | Natural gas | 0.8 | 1 | 1 |
| MITCHELL EHRLICH OIL & GAS, LLC | Natural gas | 0.8 | 1 | 1 |
| FIELDWOOD ENERGY OFFSHORE LLC | Natural gas | 0.8 | 1 | 1 |
| DALE OPERATING COMPANY | Natural gas | 0.8 | 1 | 1 |
| GOODRICH PETROLEUM COMPANY | Natural gas | 0.8 | 1 | 1 |
| B&L EXPLORATION, L.L.C. | Natural gas | 0.8 | 1 | 1 |
| UNITED TEXAS PETROLEUM CORP. | Natural gas | 0.8 | 1 | 1 |
| FLINT OAK ENERGY, LLC | Natural gas | 0.8 | 1 | 2 |
| MISSION RESOURCES CORPORATION | Natural gas | 0.8 | 1 | 1 |
| CROWN EQUIPMENT CO. | Natural gas | 0.8 | 1 | 1 |
| MAGNETAR OPERATING LLC | Natural gas | 0.8 | 1 | 1 |
| L-TEXX PETROLEUM, LP | Natural gas | 0.8 | 1 | 1 |
| TIGER GAS SERVICES LLC | Crude oil | 0.8 | 1 | 1 |
| CROWN PETROLEUM CORP. | Natural gas | 0.8 | 1 | 1 |
| SIDWELL OPERATING COMPANY, L.P. | Natural gas | 0.8 | 1 | 2 |
| RESACA RESOURCES, L.L.C. | Natural gas | 0.8 | 1 | 1 |
| RAVEN FOREST OPERATING, LLC | Natural gas | 0.8 | 1 | 1 |
| EASTERN PIPE LINE COMPANY | Natural gas | 0.8 | 1 | 1 |
| LION ELASTOMERS LLC | Natural gas | 0.8 | 1 | 1 |
| GIANT ENERGY CORP. | Natural gas | 0.8 | 1 | 1 |
| BLACK GOLD OPERATING CO, LLC | Natural gas | 0.7 | 1 | 1 |
| ENERQUEST CORPORATION | Natural gas | 0.7 | 1 | 1 |
| LW DYNASTY OIL INC. | Natural gas | 0.7 | 1 | 1 |
| TEXTRAN PIPELINE, LLC | Natural gas | 0.7 | 1 | 1 |
| HAMMAN OIL & REFINING COMPANY | Natural gas | 0.7 | 1 | 1 |
| LAVACA CANYON PETROLEUM LLC | Natural gas | 0.7 | 1 | 1 |
| BOYD & MCWILLIAMS ENERGY GROUP | Natural gas | 0.7 | 1 | 1 |
| BOWIE GAS GATHERING, LLC | Natural gas | 0.7 | 1 | 1 |
| MINDEN GATHERING SERVICES, LLC | Natural gas | 0.7 | 1 | 1 |
| ANTERO RESOURCES PIPELINE, LP | Natural gas | 0.7 | 1 | 1 |
| CASTEX ENERGY, INC. | Natural gas | 0.7 | 1 | 1 |
| DIMOCK OPERATING COMPANY | Highly volatile liquid | 0.7 | 1 | 1 |
| CROSS TIMBERS ENERGY, LLC | Crude oil | 0.7 | 1 | 1 |
| MCDONALD RESOURCES, LLC | Natural gas | 0.7 | 1 | 1 |
| CHRISTEVE OIL COMPANY, INC. | Natural gas | 0.7 | 1 | 1 |
| PINE HILL RENEWABLES, LLC | Natural gas | 0.7 | 1 | 1 |
| WINN EXPLORATION CO., INC. | Natural gas | 0.7 | 1 | 1 |
| CHP OIL & GAS COMPANY, L.C. | Natural gas | 0.7 | 1 | 1 |
| LONE WOLF OPERATING COMPANY, LP | Natural gas | 0.7 | 1 | 1 |
| APACHE TRANSMISSION CORP.-TEXAS | Natural gas | 0.7 | 1 | 1 |
| WEBER ENERGY CORPORATION | Natural gas | 0.7 | 1 | 1 |
| BARRE GATHERING SYSTEM, LLC | Natural gas | 0.6 | 1 | 1 |
| COLORADO BEND I POWER, LLC | Natural gas | 0.6 | 1 | 1 |
| PETRO-HUNT CORPORATION | Natural gas | 0.6 | 1 | 1 |
| LUMEN MIDSTREAM PARTNERSHIP, LLC | Natural gas | 0.6 | 1 | 1 |
| LANDMARK PRODUCTION COMPANY | Natural gas | 0.6 | 1 | 1 |
| MAYNARD OIL CO. | Natural gas | 0.6 | 1 | 1 |
| GEOSOUTHERN ENERGY CORPORATION | Natural gas | 0.6 | 1 | 1 |
| GULF COAST ACQUISITIONS CO. L.C. | Natural gas | 0.6 | 1 | 1 |
| CLIFFWOOD PRODUCTION CO. | Natural gas | 0.6 | 1 | 1 |
| PENNZOIL PRODUCING CO. | Refined liquid product | 0.6 | 1 | 1 |
| TWIN OAKS RENEWABLES, LLC | Natural gas | 0.6 | 1 | 1 |
| GREEN EXPLORATION COMPANY | Natural gas | 0.6 | 1 | 1 |
| SIMPLES OIL INTERNATIONAL, LLC | Natural gas | 0.6 | 1 | 1 |
| CORTEX ENERGY, INC. | Natural gas | 0.5 | 1 | 1 |
| FLAT TOP OPERATING, LLC | Natural gas | 0.5 | 1 | 1 |
| CICO OIL & GAS CO. | Natural gas | 0.5 | 1 | 2 |
| TMR EXPLORATION, INC. | Natural gas | 0.5 | 1 | 1 |
| QUIDNET ENERGY DEPLOYMENT LLC | Natural gas | 0.5 | 1 | 1 |
| TEXLA OPERATING CO | Natural gas | 0.5 | 1 | 1 |
| KONANTZ, RONALD J. INC. | Natural gas | 0.5 | 1 | 1 |
| PIEDRA OPERATING, LLC | Natural gas | 0.5 | 1 | 1 |
| CAL-TEX EXPLORATN & PROD CO LLC | Natural gas | 0.5 | 1 | 1 |
| ACTIVA RESOURCES, LLC | Crude oil | 0.5 | 1 | 1 |
| EL PASO PRODUCTION OIL & GAS CO. | Natural gas | 0.5 | 1 | 1 |
| KINDER MORGAN SCURRY CONN. LLC | Crude oil | 0.5 | 1 | 1 |
| HERSCHAP BROS. | Natural gas | 0.5 | 1 | 1 |
| RODEO RESOURCES, L.L.C. | Natural gas | 0.5 | 1 | 1 |
| OSPREY PETROLEUM COMPANY, INC. | Natural gas | 0.5 | 1 | 1 |
| FERGUSON CROSSING PIPELINE COMP. | Natural gas | 0.5 | 1 | 1 |
| ECC ENERGY CORPORATION | Natural gas | 0.5 | 1 | 1 |
| KINDERHAWK FIELD SERVICES LLC | Natural gas | 0.5 | 1 | 1 |
| RODESSA OPERATING COMPANY | Natural gas | 0.5 | 1 | 1 |
| WISCHKAEMPER, KENNETH | Natural gas | 0.5 | 1 | 1 |
| TRES MIDSTREAM VICTORIA LLC | Natural gas | 0.5 | 2 | 1 |
| AMERESCO SAN ANTONIO LLC | Natural gas | 0.5 | 1 | 1 |
| TEJAS POWER GENERATION, LLC | Natural gas | 0.5 | 1 | 1 |
| WESTERN PRODUCTION COMPANY | Natural gas | 0.5 | 1 | 1 |
| STAR OF TEXAS ENERGY SRVS, INC. | Natural gas | 0.5 | 1 | 1 |
| CRATON ENERGY COMPANY II LLC | Natural gas | 0.4 | 1 | 2 |
| TXO PRODUCTION CORPORATION | Natural gas | 0.4 | 1 | 1 |
| SOUTHWESTERN ELECTRIC POWER CO. | Natural gas | 0.4 | 1 | 1 |
| LEGEND NATURAL GAS, LP | Natural gas | 0.4 | 1 | 1 |
| BRAMMER ENGINEERING, INC. | Natural gas | 0.4 | 1 | 1 |
| ERSKINE ENERGY, LLC | Natural gas | 0.4 | 1 | 1 |
| LACY OPERATIONS, LTD. | Natural gas | 0.4 | 1 | 1 |
| LOUISIANA ENERGY CONSULTANT INC. | Natural gas | 0.4 | 1 | 1 |
| KERR-MCGEE OIL & GAS ONSHORE LP | Natural gas | 0.4 | 1 | 1 |
| GRUY PETROLEUM MANAGEMENT CO. | Natural gas | 0.4 | 1 | 1 |
| SPINNAKER EXPLORATION CO.,L.L.C. | Natural gas | 0.4 | 1 | 1 |
| BUCKEYE GULF COAST PIPELINES,LP | Natural gas | 0.4 | 1 | 1 |
| WYNN-CROSBY ENERGY, INC. | Natural gas | 0.4 | 1 | 1 |
| VITRUVIAN EXPLORATION IV, LLC | Natural gas | 0.4 | 1 | 1 |
| SCHENECTADY INTERNATIONAL, INC. | Highly volatile liquid | 0.4 | 1 | 1 |
| CITY OF LEFORS | Natural gas | 0.4 | 1 | 1 |
| COKINOS GAS TRANSMISSION COMPANY | Natural gas | 0.4 | 1 | 1 |
| NRG MAINTENANCE SERVICES LLC | Carbon dioxide | 0.4 | 1 | 1 |
| ESLABON TERMINAL, LLC | Crude oil | 0.3 | 1 | 1 |
| MARWELL PETROLEUM, INC. | Natural gas | 0.3 | 1 | 1 |
| TRIANGLE THREE RESOURCES L.L.C. | Crude oil+1 | 0.3 | 1 | 1 |
| HOWARD EXPLORATION, INC. | Natural gas | 0.3 | 1 | 1 |
| HARRISON, DAN J III&BRUCE F EST | Natural gas | 0.3 | 1 | 1 |
| WHEELER OPERATING CORPORATION | Natural gas | 0.3 | 1 | 1 |
| BUENA VENTURA OPERATING COMPANY | Natural gas | 0.3 | 1 | 1 |
| SOUTH TEXAS OPERATING COMPANY | Natural gas | 0.3 | 1 | 1 |
| GOLDSMITH OPERATING, LLC | Natural gas | 0.3 | 1 | 1 |
| UPCURVE ENERGY, LLC | Crude oil | 0.3 | 1 | 1 |
| LYONDELL CHEMICAL WORLDWIDE, INC | Highly volatile liquid | 0.3 | 1 | 1 |
| KINDEE OIL & GAS TEXAS, LLC | Natural gas | 0.3 | 1 | 1 |
| TRI-C RESOURCES, INC. | Natural gas | 0.3 | 1 | 1 |
| AIRGAS USA, LLC | Carbon dioxide | 0.3 | 1 | 1 |
| TGG PIPELINE, LTD. | Natural gas | 0.3 | 1 | 1 |
| IRONROC ENERGY | Natural gas | 0.3 | 1 | 1 |
| GARY OIL & GAS | Natural gas | 0.2 | 1 | 1 |
| TEAL ENERGY USA, INC. | Natural gas | 0.2 | 1 | 1 |
| CRD OPERATING, LLC | Natural gas | 0.2 | 1 | 1 |
| ORYX ENERGY COMPANY | Crude oil | 0.2 | 1 | 1 |
| CORPUS CHRISTI LEASEHOLDS, INC. | Crude oil+1 | 0.2 | 1 | 2 |
| CLEAN ENERGY TEXAS LNG, LLC | Natural gas | 0.2 | 1 | 1 |
| NEUHAUS, V. F. PROPERTIES, INC. | Natural gas | 0.2 | 1 | 1 |
| WILLIAMS FLD SVCS-G COAST CO LP | Natural gas | 0.2 | 1 | 2 |
| UNDERGROUND STORAGE, LLC | Natural gas | 0.2 | 1 | 1 |
| LA FRONTERA HOLDINGS, LLC | Natural gas | 0.2 | 1 | 1 |
| ROSBOTTOM PRODUCTION CORP | Natural gas | 0.2 | 1 | 1 |
| CNS ENERGY, INC. | Natural gas | 0.2 | 1 | 1 |
| AIR LIQUIDE ELECTRONICS U.S. LP | Natural gas | 0.1 | 1 | 1 |
| REIN PUSHER OPERATING LLC | Crude oil | 0.1 | 1 | 1 |
| PEROXYCHEM LLC | Refined liquid product | 0.1 | 1 | 1 |
| BRG LONE STAR LTD. | Natural gas | 0.1 | 1 | 1 |
| BUCKEYE TEXAS PROCESSING LLC | Natural gas | 0.1 | 1 | 1 |
| SEADRIFT COKE L.P. | Natural gas | 0.1 | 1 | 1 |
| AMP ETX GATHERING, LLC | Natural gas | 0.1 | 1 | 1 |
| CHANNEL INDUSTRIES GAS CO. | Natural gas | 0.1 | 1 | 1 |
| TRANSMONTAIGNE PRODUCT SERV. INC | Highly volatile liquid | 0.1 | 1 | 1 |
| INTERNATIONAL WESTERN OIL CORP | Natural gas | 0.1 | 1 | 1 |
| SHELL WESTERN E&P INC. | Natural gas | 0.1 | 1 | 1 |
| PIPELINE SYSTEMS, INC. | Natural gas | 0.0 | 1 | 1 |
| PETRO-CHEM OPERATING COMPANY,INC | Natural gas | 0.0 | 1 | 1 |
| APTIAN GAS CORPORATION | Natural gas | 0.0 | 1 | 1 |
| TEXAS UPSTREAM TRANSPORT LLC | Natural gas | 0.0 | 1 | 1 |
| UOG ETX, LLC | Natural gas | 0.0 | 1 | 1 |