| HORN THOMAS L | 15248 | BROKEN ARROW | 0 | 0 |
| HORSE THIEF OIL AND GAS | 22174 | DALLAS | 0 | 0 |
| HORSESHOE OIL CO | 14757 | CROMWELL | 4 | 2 |
| HORTON DICK S | 6033 | EDMOND | 0 | 0 |
| HORTON DRILLING | 14907 | HOBART | 6 | 1 |
| HORTON MARY | 18265 | RATLIFF CITY | 40 | 2 |
| HORTON NORMAN W | 1046 | BARTLESVILLE | 0 | 0 |
| HORTON OIL COMPANY | 15406 | NOWATA | 0 | 0 |
| HOSCO OPERATING INC | 16894 | SEMINOLE | 3 | 1 |
| HOSTETLER GLENN AND KRISTINA DBA HOSTETLER ENTERPRISESActive | 24845 | MORRIS | 1 | 1 |
| HOT SPRINGS PETROLEUM | 14556 | HOT SPRINGS | 1 | 1 |
| HOTULKE CONSTRUCTION LLCActive | 24566 | SEMINOLE | 1 | 1 |
| HOUGH HENRY E | 5001 | COPAN | 0 | 0 |
| HOUGH OIL AND GAS | 19640 | HOMINY | 1 | 1 |
| HOUGH OIL COMPANY | 10162 | BARTLESVILLE | 0 | 0 |
| HOUR OIL COMPANY | 16109 | SHAWNEE | 0 | 0 |
| HOUSE RONALD K | 22199 | BENTON | 1 | 1 |
| HOUSECO PETROLEUM INC | 14784 | BRISTOW | 23 | 3 |
| HOUSTON EXPLORATION CO THE | 20036 | HOUSTON | 0 | 0 |
| HOVAS ENTERPRISES | 15789 | PERKINS | 0 | 0 |
| HOWARD & TAYLORActive | 13371 | WYNNEWOOD | 63 | 2 |
| HOWARD ENGINEERING INC | 12194 | SKIATOOK | 0 | 0 |
| HOWARD JOHN D SRActive | 6201 | Broken Arrow | 2 | 1 |
| HOWARD LINDELL | 7256 | WYNNEWOOD | 0 | 0 |
| HOWARD PETROLEUM CORP | 4426 | PINEHURST | 0 | 0 |
| HOWCO OIL AND GAS | 20388 | STROUD | 62 | 4 |
| HOWDEN PETROLEUM CORP | 16997 | WETUMKA | 1 | 1 |
| HOWELL BILL J | 3710 | CALVIN | 5 | 2 |
| HOWELL C W | 3297 | WICHITA FALLS | 4 | 2 |
| HOWELL ELBY | 14646 | MCALESTER | 0 | 0 |
| HOWELL GERTRUDE | 21586 | MUSKOGEE | 1 | 1 |
| HOWELL JASONActive | 24781 | WYNONA | 0 | 0 |
| HOWELL PETROLEUM CORPORATION | 13606 | HOUSTON | 5 | 1 |
| HOWERTON'S OF TEXAS | 13930 | MARBLE FALLS | 0 | 0 |
| HOXBAR OIL CORPORATION | 11800 | SAPULPA | 1 | 1 |
| HOYT JOHN C | 1060 | BARTLESVILLE | 0 | 0 |
| HOYT OIL & GAS LLC | 22208 | CUSHING | 0 | 0 |
| HP OPERATING LLCActive | 24875 | SEMINOLE | 24 | 3 |
| HPX, LLCActive | 25162 | Norman | 0 | 0 |
| HRB OPERATING COMPANY INCActive | 20692 | BRIDGEPORT | 11 | 4 |
| HRBEK CARMAND ENERGY SPEC | 16957 | STERLING | 0 | 0 |
| HRC PRODUCTION COActive | 13941 | HOUSTON | 134 | 11 |
| HRF EXPLOR & PROD INC | 21053 | DENVER | 0 | 0 |
| HRF EXPLORATION & PRODUCTION LLC | 21871 | GAYLORD | 1 | 1 |
| HRVST OIL & GAS LLC | 25055 | Oklahoma City | 0 | 0 |
| HSUMY OIL & GAS INC | 20424 | OKLAHOMA CITY | 0 | 0 |
| HT2 EXPLORATION LLCActive | 24704 | THE WOODLANDS | 21 | 2 |
| HTC FLUID SERVICES LLCActive | 24076 | LAVERNE | 4 | 2 |
| HUB-HILL INC | 1061 | SAN ANTONIO | 2 | 1 |
| HUBER ENERGY LP | 21550 | HOUSTON | 0 | 0 |
| HUBER ENERGY PANHANDLE LP | 21526 | HOUSTON | 0 | 0 |
| HUBER J M CORPORATION | 1063 | HOUSTON | 33 | 13 |
| HUBLER JOHN | 15454 | TULSA | 2 | 1 |
| HUCK FARMS LLCActive | 24497 | STRATFORD | 46 | 2 |
| HUCKABEE WILLIAM D | 15272 | OKMULGEE | 0 | 0 |
| HUCKLEBERRY TY R | 21402 | KONAWA | 0 | 0 |
| HUCMAC OPERATING LLC | 21156 | OKLAHOMA CITY | 0 | 0 |
| HUDCO DRILLING COMPANY | 15919 | KONAWA | 0 | 0 |
| HUDCO INC | 15879 | RIALTO | 0 | 0 |
| HUDGENS LESTER E | 12283 | BARTLESVILLE | 9 | 1 |
| HUDGINS JOAN | 14977 | SAPULPA | 0 | 0 |
| HUDSON BROWNING | 12803 | ELMORE CITY | 1 | 1 |
| HUDSON CONSULTANTS INC | 4891 | TULSA | 1 | 1 |
| HUDSON TOM | 22481 | TALALA | 2 | 1 |
| HUFF OIL & GAS LLC | 22588 | EDMOND | 1 | 1 |
| HUFFMAN H & COMPANY | 4644 | OKLAHOMA CITY | 0 | 0 |
| HUGHES ALENE | 14069 | COWETA | 0 | 0 |
| HUGHES DAN A. COMPANY | 19151 | BEEVILLE | 0 | 0 |
| HUGHES DAVID K | 18836 | OKLAHOMA CITY | 1 | 1 |
| HUGHES DEAN W | 13787 | NOWATA | 1 | 1 |
| HUGHES DISPOSAL LLC | 22798 | MCKINNEY | 0 | 0 |
| HUGHES DRILLING CO INC | 12755 | ENID | 0 | 0 |
| HUGHES DRILLING CORP | 16954 | ENID | 0 | 0 |
| HUGHES GAS SYSTEMS LLCActive | 20661 | OKLAHOMA CITY | 38 | 2 |
| HUGHES GEORGE B | 18861 | ASHER | 1 | 1 |
| HUGHES GORDON OR EVELYN | 14704 | PAWHUSKA | 1 | 0 |
| HUGHES GROUP THE | 6628 | PHOENIX | 3 | 2 |
| HUGHES OIL & GAS INC | 16270 | HOUSTON | 0 | 0 |
| HUGHES PROPERTIES LTD | 14878 | DURANT | 0 | 0 |
| HUGHES WILBUR LESLY | 6723 | SAPULPA | 0 | 0 |
| HUGOTON ENERGY CORPORATION | 17456 | OKLAHOMA CITY | 5 | 4 |
| HUGOTON PETROLEUM INC | 14906 | DENVER | 1 | 1 |
| HUITT JOE A | 1075 | TULSA | 26 | 3 |
| HUITT JOE A REV TRUST | 18472 | TULSA | 1 | 1 |
| HULEN OPERATING COMPANYActive | 19626 | OKLAHOMA CITY | 38 | 7 |
| HULETT ADAM | 11195 | EDMOND | 0 | 0 |
| HULETT ADAM | 18173 | EDMOND | 0 | 0 |
| HULING CARL | 14603 | TURPIN | 0 | 0 |
| HULL ENTERPRISES INCActive | 16572 | BROKEN ARROW | 13 | 2 |
| HULL JR J J | 1077 | BEGGS | 0 | 0 |
| HULL OIL COMPANY | 6393 | PAWHUSKA | 0 | 0 |
| HULL'S OILFIELD SERVICE INC | 20515 | WILSON | 0 | 0 |
| HULSE FRANK | 6690 | PAWHUSKA | 0 | 0 |
| HULSE STEVE & FRANK | 12547 | PAWHUSKA | 0 | 0 |
| HULSEY LARRY O & CO | 12958 | GRAHAM | 6 | 5 |
| HUMBERT OIL COMPANY | 15346 | YALE | 0 | 0 |
| HUMMEL JOHN & NANETTE | 12825 | TALALA | 0 | 0 |
| HUMMELL JOHN T | 15422 | TULSA | 0 | 0 |
| HUMMON CORPORATION | 21925 | WICHITA | 1 | 1 |
| HUMPHREY MARKActive | 18795 | MORRIS | 19 | 1 |
| HUMPHRIES CARL | 24477 | PIEDMONT | 0 | 0 |
| HUNGERFORD KEN ALLEN | 14978 | HELENA | 0 | 0 |
| HUNGERFORD OIL & GAS INC | 6287 | HELENA | 33 | 8 |
| HUNNICUTT ARNAVAYActive | 22857 | OKMULGEE | 1 | 1 |
| HUNNICUTT ROY | 13363 | OKMULGEE | 0 | 0 |
| HUNT BROTHERS PRODUCING CO INC | 18049 | REDDING | 6 | 1 |
| HUNT CHRIS WATER HAULING CONTRACTOR INC | 3853 | KEYES | 2 | 1 |
| HUNT ENGINEERING INC | 4268 | NORMAN | 0 | 0 |
| HUNT ENGINEERING INC | 6194 | OKLAHOMA CITY | 0 | 0 |
| HUNT GAYLAN ENTERPRISES | 11338 | DUNCAN | 4 | 2 |
| HUNT H L | 1080 | DALLAS | 0 | 0 |
| HUNT OIL COMPANY | 1081 | DALLAS | 11 | 8 |
| HUNT PETRO, LLCActive | 25017 | ADA | 1 | 1 |
| HUNT PETROLEUM CORPORATION | 1082 | DALLAS | 2 | 1 |
| HUNT R K | 14979 | RAMONA | 2 | 1 |
| HUNTER DISPOSAL LLC | 22870 | TULSA | 0 | 0 |
| HUNTER EXPLORATION LTD., INC. | 14269 | NO. MIAMI BEACH | 16 | 3 |
| HUNTER PETROLEUM LLC | 24856 | TULSA | 0 | 0 |
| HUNTINGTON ENERGY LLCActive | 19961 | OKLAHOMA CITY | 90 | 18 |
| HUNTINGTON RESOURCES INC | 17337 | TULSA | 0 | 0 |
| HUNTON OIL & GAS CORPORATION | 4513 | OKLAHOMA CITY | 54 | 11 |
| HUNTON OPERATING LLC | 22484 | OKLAHOMA CITY | 11 | 5 |
| HURLEY CHARLES B | 18431 | SANTA ANA | 0 | 0 |
| HURST OIL INVESTMENTS INC | 21379 | OKLAHOMA CITY | 8 | 2 |
| HUSKY PETROLEUM | 18807 | SEMINOLE | 2 | 2 |
| HUSKY VENTURES INC | 20434 | OKLAHOMA CITY | 17 | 7 |
| HUSTED BROTHERS | 13607 | LAVERNE | 0 | 0 |
| HUTCHISON D W | 1090 | OKLAHOMA CITY | 0 | 0 |
| HUTCHISON JAMES F | 1092 | BARTLESVILLE | 0 | 0 |
| HUTCHISON MARCIA M | 17744 | BARTLESVILLE | 0 | 0 |
| HUTSON CARL M INC | 10028 | HOUSTON | 1 | 1 |
| HUTTON GAS COMPANY | 14612 | TULSA | 7 | 3 |
| HUTTON GAS OPERATING COMPANY | 15606 | TULSA | 10 | 5 |
| HUTTON OIL PROPERTIES | 14980 | TULSA | 0 | 0 |
| HUX OIL COMPANY LLCActive | 21988 | KINGFISHER | 97 | 13 |
| HWA OPERATING COMPANY | 15215 | TULSA | 0 | 0 |
| HYALITE ENERGY CORPORATIONActive | 19791 | LOS GATOS | 8 | 3 |
| HYDROCARB-EN LLCActive | 24860 | OKLAHOMA CITY | 0 | 0 |
| HYDROCARBON MANAGEMENT INC | 15404 | SAN ANTONIO | 4 | 3 |
| HYLMN LLC | 24289 | WILLS POINT | 0 | 0 |
| HYPERION ENERGY LP | 18009 | DALLAS | 13 | 2 |
| HYPERION OIL & GAS LLC | 22499 | DALLAS | 0 | 0 |
| I C GAS AMCANA INC | 8544 | TULSA | 10 | 6 |
| I D K PRODUCTION LLC | 22806 | DOLORES | 0 | 0 |
| I D OIL COMPANY INC | 20286 | SPERRY | 8 | 1 |
| I E F INC | 13898 | HOUSTON | 9 | 5 |
| I F O EXPLORER INC | 18631 | OKLAHOMA CITY | 2 | 1 |
| I O G C INC | 15117 | HOUSTON | 0 | 0 |
| I P PETROLEUM COMPANY INC | 16580 | HOUSTON | 1 | 1 |
| I T B ENERGY | 13756 | AMARILLO | 0 | 0 |
| I T ENTERPRISES INC | 11123 | TULSA | 2 | 1 |
| I-MAC PETROLEUM SERVICE INC | 15918 | BIXBY | 39 | 3 |
| IBANEZ ROBERT H | 21700 | SAPULPA | 0 | 0 |
| IBEX RESOURCES COMPANY LLCActive | 24314 | OKLAHOMA CITY | 0 | 0 |
| IBL OPERATING LLCActive | 24894 | Hennessey | 2 | 1 |
| IC-CO | 20934 | PADEN | 2 | 1 |
| ICON ENERGY COMPANY | 20415 | OKLAHOMA CITY | 1 | 1 |
| ICOR OIL & GAS OF OKLA LTD | 11649 | CLAREMORE | 24 | 2 |
| IDC ENERGY CORPORATION | 12200 | HOUSTON | 0 | 0 |
| IDEAL PROSPECTS L L C | 21106 | YUKON | 0 | 0 |
| IEP KANSAS GAS, LLCActive | 25007 | Burlington | 2 | 1 |
| IGLEHEART GARY LLC | 23538 | EDMOND | 1 | 1 |
| IGLEHEART WARREN | 4646 | EDMOND | 5 | 1 |
| IGNIS ENERGY LLCActive | 24854 | Blackwell | 47 | 3 |
| IGOT OIL COMPANY LLC | 24090 | PHOENIX | 0 | 0 |
| IKE ENERGY LLCActive | 23962 | STILLWATER | 51 | 5 |
| IKENBERRY W D OR HELEN THOMAS | 20719 | HOMINY | 0 | 0 |
| ILLINI ENERGY | 18037 | PLEASANT HILL | 0 | 0 |
| ILLINOIS OIL & GAS CORP | 10547 | OKMULGEE | 0 | 0 |
| ILLOMA OIL COMPANY INC | 5020 | ALGONQUIN | 9 | 3 |
| IMHOFF DAVID | 21349 | STROUD | 0 | 0 |
| IMO INC | 11972 | OKLAHOMA CITY | 0 | 0 |
| IMPACT ENERGY OPERATING LLCActive | 24185 | OKLAHOMA CITY | 227 | 11 |
| IMPACT OPERATING LLC | 24508 | HASLEY | 0 | 0 |
| IMPERIAL PETROLEUM INC | 7929 | DALLAS | 16 | 5 |
| IMPERIUM ENERGY INCActive | 24994 | Atlanta | 3 | 1 |
| IMT INC | 15222 | MORRIS | 2 | 1 |
| INCA OIL CORPORATION | 2010 | OKLAHOMA CITY | 4 | 2 |
| INCLINE PRODUCTION COMPANY | 10605 | EDMOND | 13 | 5 |
| INCLINE RESERVES INC | 19079 | TOPEKA | 0 | 0 |
| INDA OIL UNLIMITEDActive | 13739 | BARTLESVILLE | 7 | 1 |
| INDEPENDENCE RESOURCES MANAGEMENT LLC | 23718 | HOUSTON | 0 | 0 |
| INDEPENDENT GAS & OIL PROD INC | 1098 | MELBOURNE BEACH | 0 | 0 |
| INDIAN CREEK DISPOSAL PARTNERS LLC | 22599 | ENID | 0 | 0 |
| INDIAN EXPLORATION COMPANY LLC | 21623 | OKLAHOMA CITY | 0 | 0 |
| INDIAN HILLS ENERGY | 15772 | WANN | 1 | 1 |
| INDIAN NATION ENERGY COMPANY | 10780 | WEWOKA | 39 | 8 |
| INDIAN NATIONS DRILLING & EXP | 19913 | EDMOND | 2 | 1 |
| INDIAN OIL CO INCActive | 24260 | MEDICINE LODGE | 10 | 1 |
| INDIAN OIL COMPANY | 11707 | OKLAHOMA CITY | 78 | 18 |
| INDIAN TERRIRORY EXPL LTD CO | 21908 | WEWOKA | 0 | 0 |
| INDIAN TERRITORY ILLUMINATING OIL COMPANY LLCActive | 24779 | BARTLESVILLE | 6 | 1 |
| INDIAN TERRITORY OPERATING LLCActive | 24732 | SALADO | 11 | 3 |
| INDIAN WELLS OIL CO | 8343 | OKLAHOMA CITY | 22 | 8 |
| INDIANOLA OIL INC | 8949 | BARTLESVILLE | 2 | 2 |
| INDREX INC | 11425 | TULSA | 16 | 10 |
| INDUSTRIAL LABOR & EQUIPMENT SERV LLC | 22801 | MARRERO | 0 | 0 |
| INEXCO OIL COMPANY | 3998 | NEW ORLEANS | 28 | 10 |
| INFINITY OIL & GAS INC | 11213 | NOWATA | 1 | 1 |
| INFINITY OIL & GAS PRODUCTION | 14986 | NOWATA | 15 | 4 |