| TOKCO INC | 14855 | PAMPA | 1 | 1 |
| TOKEN OPERATING, LLCActive | 25016 | Enid | 15 | 1 |
| TOKLAN OIL & GAS CORPORATIONActive | 10043 | TULSA | 78 | 24 |
| TOKLAN OIL CORPORATION | 11153 | TULSA | 24 | 10 |
| TOLAND & JOHNSTON INC | 3742 | EDMOND | 22 | 4 |
| TOLBERT GEORGE | 20132 | TULSA | 0 | 0 |
| TOLEX ENERGIES INC | 13188 | OKLAHOMA CITY | 0 | 0 |
| TOLLETT C E INC | 12462 | OKLAHOMA CITY | 1 | 1 |
| TOLLETT EARL GENE | 16727 | BOYNTON | 0 | 0 |
| TOLSON GARY | 10071 | SEMINOLE | 1 | 1 |
| TOMA EXPLORATIONS INC | 13710 | SHAWNEE | 0 | 0 |
| TOMA EXPLORATIONS LLCActive | 22693 | SHAWNEE | 1 | 1 |
| TOMAHAWK PRODUCTION CO INC | 17656 | ELK CITY | 0 | 0 |
| TOMAHAWK RESOURCES | 20922 | TISHMINGO | 0 | 0 |
| TOMAR PETROLEUM INC | 3181 | DALLAS | 7 | 1 |
| TOMCO OIL COMPANY | 3456 | CLAREMORE | 1 | 1 |
| TOMLINSON ARLIE L | 14670 | STILLWATER | 1 | 1 |
| TOMLINSON ENERGY INC | 11638 | DALLAS | 52 | 10 |
| TOMLINSON OIL CO INC | 5416 | GREAT BEND | 2 | 1 |
| TOMLINSON W E | 5627 | COMANCHE | 0 | 0 |
| TOMORROWS ENERGY EXPLORATION INCActive | 7069 | OKMULGEE | 53 | 3 |
| TONKAWA PIPE & SUPPLY CO INC | 8787 | TONKAWA | 4 | 3 |
| TONKAWA SALTWATER DISPOSAL LLCActive | 23200 | WOODWARD | 1 | 1 |
| TONNER PETROLEUM LLC | 22016 | DALLAS | 2 | 1 |
| TONY HIGH OPERATINGActive | 23885 | WALTERS | 6 | 1 |
| TONY'S CRUDE OIL RECLAIMING PLANT INC DBA TONY'S OILFIELD SERVICE | 23384 | — | 0 | 0 |
| TONY'S DISPOSAL SERVICE INCActive | 9063 | YALE | 1 | 1 |
| TOOMEY OIL COMPANY INC | 2193 | TULSA | 4 | 1 |
| TOP E N R G | 7634 | TOPEKA | 0 | 0 |
| TOP LINE ENERGY COMPANY | 16936 | ARDMORE | 0 | 0 |
| TOP-NOTCH REALTY OF ELGIN LLCActive | 24671 | ELGIN | 1 | 1 |
| TOPCO INC | 16056 | TULSA | 7 | 2 |
| TOPSAIL SECONDARY RECOVERY LLCActive | 21067 | EDMOND | 14 | 5 |
| TORCH OPERATING COMPANY | 13170 | HOUSTON | 10 | 7 |
| TORCHLIGHT ENERGY OPERATING LLC | 23282 | PLANO | 0 | 0 |
| TORGERSON OIL PROPERTIES INC | 8425 | NORMAN | 6 | 3 |
| TORNADO ENERGY CORPORATION | 19299 | SUGARLAND | 0 | 0 |
| TORO EXPLORATION COMPANY INC | 16807 | ROCKWALL | 0 | 0 |
| TORTUGA PRODUCTION COMPANY | 15043 | AUSTIN | 0 | 0 |
| TOTAH PRODUCTION | 18164 | DUNCAN | 0 | 0 |
| TOTAL MINATOME CORPORATION | 16077 | HOUSTON | 5 | 4 |
| TOTALFINAELF E&P USA INC | 14792 | HOUSTON | 31 | 10 |
| TOWER ENERGY CORPORATION | 10452 | SAPULPA | 39 | 4 |
| TOWER OIL & GAS COMPANY INC | 6985 | OKLAHOMA CITY | 3 | 2 |
| TOWER OPERATING CO | 17260 | TULSA | 0 | 0 |
| TOWER WANDA L NATIONS | 5799 | OKLAHOMA CITY | 3 | 2 |
| TOWERY BOB | 16130 | LAMAR | 0 | 0 |
| TOWNSEND CODY dba TNT CONSTRUCTION | 23320 | — | 0 | 0 |
| TOWNSEND GARY DBA DANS TRUCKINGActive | 23417 | — | 0 | 0 |
| TOWNSEND RONALD E | 16243 | ADA | 0 | 0 |
| TOWNSEND V E | 15719 | ADA | 1 | 1 |
| TPET INC | 18165 | DALLAS | 1 | 1 |
| TPEX EXPLORATION INC | 8096 | DENVER | 0 | 0 |
| TPNG LLCActive | 25171 | Porter | 0 | 0 |
| TRABAJO INC | 16767 | AMARILLO | 0 | 0 |
| TRACE OIL & GAS LPActive | 16793 | CEMENT | 7 | 2 |
| TRACE OPERATING CO & R HUDSON | 15306 | PAWHUSKA | 0 | 0 |
| TRACER ENERGY INC | 17822 | GRAHAM | 10 | 6 |
| TRACHTENBERG DANIEL SActive | 19390 | HOUSTON | 2 | 1 |
| TRACKSTAR ENERGIES LLC | 24084 | COLORADO SPRINGS | 0 | 0 |
| TRACY & ASSOCIATES INC | 11383 | ADA | 7 | 1 |
| TRACY OIL & GAS CO | 7877 | CLEVELAND | 0 | 0 |
| TRACY TERRYActive | 24713 | ADA | 4 | 2 |
| TRADE ENTERPRISES INC | 17866 | BIRMINGHAM | 0 | 0 |
| TRADESTAR ENERGY INC | 22561 | HOT SPRINGS | 0 | 0 |
| TRAFALGAR ENERGY CORPORATION | 18382 | TULSA | 0 | 0 |
| TRAFALGAR HOUSE OIL & GAS INC | 14801 | HOUSTON | 3 | 1 |
| TRAIL E C DRILLING CO INC | 4613 | HEALDTON | 0 | 0 |
| TRAIL RIDGE ENERGY PARTNERS LLC | 22505 | GRAPEVINE | 3 | 3 |
| TRAIL RIDGE EXPLORATION & PRODUCTION LLC | 22982 | GRAPEVINE | 0 | 0 |
| TRAILBLAZER ENERGY LLCActive | 22988 | PLANO | 13 | 2 |
| TRAILHEAD EXPLORATION LLCActive | 24401 | FORT WORTH | 3 | 1 |
| TRANS AMAZON RESOURCES S A INC | 21609 | NORTH BATTLEFORD | 3 | 1 |
| TRANS ATLANTIC RESOURCE CORP | 13183 | TULSA | 3 | 1 |
| TRANS PACIFIC OIL CORPORATIONActive | 23435 | Wichita | 92 | 2 |
| TRANS TERRA CORP INT'L | 17788 | AMARILLO | 1 | 1 |
| TRANS-AMERICAN ENERGY CORP | 15920 | TULSA | 1 | 1 |
| TRANS-TEXAS GAS INC | 9187 | BIXBY | 0 | 0 |
| TRANS-WESTERN EXPLORATION INC | 7417 | DALLAS | 14 | 5 |
| TRANSAMERICAN ENERGY LTD | 13765 | DALLAS | 11 | 4 |
| TRANSATLANTIC PETROLEUM (USA) CORP | 21829 | ADDISON | 0 | 0 |
| TRANSCO OIL COMPANY | 8482 | ORANGE | 13 | 2 |
| TRANSCOASTAL OPERATING LLC | 20743 | DALLAS | 0 | 0 |
| TRANSCOASTAL PARTNERS LLC | 21750 | DALLAS | 0 | 0 |
| TRANSCONTINENTAL COMPANYActive | 18562 | HALTOM CITY | 39 | 1 |
| TRANSOIL INC | 16353 | OKLAHOMA CITY | 2 | 1 |
| TRANSOIL PURCHASING INC | 18850 | OKLAHOMA CITY | 0 | 0 |
| TRANSOK LLC | 2200 | OKLAHOMA CITY | 0 | 0 |
| TRANSPACIFIC EXPLORATION INC | 13577 | IRVINE | 0 | 0 |
| TRANSPETCO TRANSPORT COMPANY | 19959 | SHREVEPORT | 1 | 0 |
| TRANSWESTERN GAS SUPPLY CO | 6166 | HOUSTON | 8 | 5 |
| TRANSWESTERN PIPELINE COMPANY | 2203 | HOUSTON | 1 | 1 |
| TRAP ROCK MANAGEMENT COMPANY | 18546 | TULSA | 12 | 2 |
| TRAVCO WELL SERVICING LLCActive | 24397 | OKMULGEE | 77 | 4 |
| TRAVELERS OIL COMPANY LP | 22613 | AMARILLO | 0 | 0 |
| TRAVIS PEAK RESOURCES LLC | 23914 | HOUSTON | 4 | 2 |
| TRAVOCO INC | 15014 | SALT LAKE CITY | 0 | 0 |
| TRAWICK COMPANY | 2206 | STROUD | 0 | 0 |
| TRAXSON OIL PROPERTIES | 13698 | BARTLESVILLE | 0 | 0 |
| TRAYNOR OIL & GAS INC | 17747 | CLAREMONT | 5 | 2 |
| TREANOR EXPLORATION LLCActive | 25166 | STILLWATER | 15 | 1 |
| TREAT HOWARD | 13851 | OKMULGEE | 1 | 1 |
| TREAT-RITE WATER LABS INC | 7548 | NOWATA | 80 | 2 |
| TREK EXPLORATION COMPANY | 16385 | ENGLEWOOD | 0 | 0 |
| TREK RESOURCES INCActive | 19351 | DALLAS | 31 | 12 |
| TRENCHCO INC | 12048 | SHAWNEE | 6 | 1 |
| TREND GAS & OIL INC | 11756 | JENKS | 15 | 4 |
| TREND RESOURCES LIMITED | 12618 | DENVER | 0 | 0 |
| TRENON OIL & GAS INC | 10742 | OKLAHOMA CITY | 15 | 3 |
| TRENT HARLESON DBA DUNCAN TANK TRUCKS LLCActive | 24706 | OKEMAH | 1 | 1 |
| TREPCO PRODUCTION COMPANY INCActive | 7620 | YUKON | 73 | 15 |
| TRESCO ENERGY LLCActive | 22910 | ENID | 8 | 1 |
| TREY EXPLORATION INC | 14113 | STILLWATER | 0 | 0 |
| TREY RESOURCES INC | 13651 | MIDLAND | 44 | 9 |
| TRI D OIL COMPANY | 5619 | CLAREMORE | 0 | 0 |
| TRI PRODUCTION INCActive | 12784 | HEALDTON | 1 | 1 |
| TRI-C RESOURCES LLC | 23679 | HOUSTON | 8 | 1 |
| TRI-CITY ENERGY INC | 22595 | WILSON | 0 | 0 |
| TRI-D OIL COMPANY | 16300 | CLAREMORE | 0 | 0 |
| TRI-DK CORPORATION | 15000 | HOUSTON | 0 | 0 |
| TRI-EX PETROLEUM LP | 20969 | OKLAHOMA CITY | 1 | 1 |
| TRI-LAB INC | 5902 | OKLAHOMA CITY | 0 | 0 |
| TRI-PETRO INC | 11659 | TULSA | 4 | 3 |
| TRI-STAR CORPORATION | 16309 | JENKS | 0 | 0 |
| TRI-STAR OIL & GAS CORP | 17074 | OKLAHOMA CITY | 0 | 0 |
| TRI-STATE DRILLING & CONSULTING INC | 11985 | BLACKWELL | 1 | 1 |
| TRI-STATE PIPELINE SERVICE INC | 17782 | NINNEKAH | 1 | 1 |
| TRI-STATE PRODUCTION INC | 12815 | WEATHERFORD | 9 | 6 |
| TRI-UNITY INC | 20105 | SAND SPRINGS | 0 | 0 |
| TRIAD ENERGY CORP OF TEXAS | 18977 | HOUSTON | 22 | 2 |
| TRIAD ENERGY INCActive | 10399 | OKLAHOMA CITY | 178 | 21 |
| TRIAD MINERAL RESOURCES INC | 16505 | BROKEN ARROW | 0 | 0 |
| TRIAD OIL COMPANY | 11 | TULSA | 0 | 0 |
| TRIAD OIL COMPANY | 13000 | TULSA | 0 | 0 |
| TRIANGLE INDUSTRIES INC | 20149 | ENID | 0 | 0 |
| TRIANGLE INTERPRISES INC | 4982 | JUSTIN | 18 | 5 |
| TRIANGLE RESOURCES INC | 6538 | CLEVELAND | 0 | 0 |
| TRIANGLE SERVICES LLC | 23788 | — | 0 | 0 |
| TRIANGLE THREE RESOURCES LLC | 21473 | DALLAS | 0 | 0 |
| TRIDENT ENERGY PARTNERS, LLCActive | 25143 | Oklahoma City | 0 | 0 |
| TRIDENT OIL & GAS CORP INC | 12864 | BAKERSFIELD | 1 | 1 |
| TRIDENTINE OIL & GAS LLC | 22150 | ENNIS | 0 | 0 |
| TRIDON OIL INC | 2214 | LAFAYETTE | 3 | 2 |
| TRIEXCO INC | 18734 | TULSA | 2 | 2 |
| TRIGAS CORPORATION | 17052 | TULSA | 0 | 0 |
| TRIGG DRILLING COMPANY | 2215 | OKLAHOMA CITY | 11 | 3 |
| TRIGG DRILLING COMPANY INC | 6965 | OKLAHOMA CITY | 43 | 18 |
| TRIGGER'S DISPOSAL LLCActive | 22307 | SAYRE | 2 | 1 |
| TRIHYM CORPORATION | 11317 | OKLAHOMA CITY | 2 | 1 |
| TRILATERAL OPERATING LLCActive | 25214 | Dallas | 15 | 1 |
| TRILLIANT ENERGY TEXAS LTD | 22606 | TULSA | 28 | 2 |
| TRILOGY NATURAL RESOURCES LLCActive | 25063 | Edmond | 199 | 3 |
| TRINEHA INC | 10331 | ARDMORE | 5 | 2 |
| TRINIDAD CUCHARA MINING CORP | 12734 | GUTHRIE | 0 | 0 |
| TRINITY BAY OIL & GAS INC | 22791 | LUBBOCK | 0 | 0 |
| TRINITY OIL & GAS INC | 22743 | PAULS VALLEY | 2 | 1 |
| TRINITY OIL & GAS PRODUCERS LLCActive | 23617 | ALLEN | 102 | 4 |
| TRINITY OPERATING | 21330 | CEMENT | 0 | 0 |
| TRINITY OPERATING USG LLCActive | 23879 | Houston | 1,075 | 9 |
| TRINITY RESOURCES INC | 22795 | NORMAN | 25 | 2 |
| TRINITY-THREE IN ONE INC | 12701 | SEILING | 0 | 0 |
| TRIO CONSULTING & MANAGEMENT, LLCActive | 21122 | WICHITA FALLS | 19 | 2 |
| TRIO ENERGY INC | 15131 | HOUSTON | 1 | 1 |
| TRIO OPERATING COMPANY INC | 15461 | WICHITA FALLS | 16 | 6 |
| TRIOK INC | 7600 | SAND SPRINGS | 0 | 0 |
| TRION OIL COMPANY INC | 11236 | YUKON | 5 | 2 |
| TRIPLE "S" RESOURCES INC | 17344 | SAPULPA | 0 | 0 |
| TRIPLE 7 ENERGY COMPANY INC | 18513 | PRAGUE | 3 | 1 |
| TRIPLE B RESOURCES | 14703 | BARNSDALL | 1 | 1 |
| TRIPLE BRINE DISPOSAL LLCActive | 24443 | ULYSSES | 1 | 1 |
| TRIPLE C PROPERTIES INCActive | 14894 | SEMINOLE | 5 | 1 |
| TRIPLE DIAMOND ENERGY OPERATING LLC | 22395 | DALLAS | 6 | 3 |
| TRIPLE G WELL SERVICE INCActive | 21758 | MUENSTER | 6 | 1 |
| TRIPLE H DISPOSAL LLC | 24539 | HENNESSEY | 0 | 0 |
| TRIPLE H OPERATINGActive | 18155 | TRYON | 1 | 1 |
| TRIPLE I OPERATING | 13913 | AURORA | 0 | 0 |
| TRIPLE J GAS & OIL INC | 15967 | LEXINGTON | 2 | 1 |
| TRIPLE L MANAGEMENT CO INC | 16670 | EDMOND | 3 | 2 |
| TRIPLE L OIL & GAS INC | 20549 | ENID | 0 | 0 |
| TRIPLE M OIL COMPANY | 18156 | PLAINVIEW | 1 | 1 |
| TRIPLE S DRILLING COMPANY | 1967 | LEONARD | 24 | 2 |
| TRIPLE S GAS INC | 19567 | LOUISVILLE | 0 | 0 |
| TRIPLE S SALTWATER DISPOSAL INC | 22977 | FAY | 0 | 0 |
| TRIPLE W OIL INC | 4913 | CHANDLER | 9 | 3 |
| TRIPLEDEE DRILLING CO INC | 2217 | ARDMORE | 104 | 9 |
| TRIPLEDEE OPERATING COMPANY LLCActive | 21967 | ARDMORE | 12 | 3 |
| TRIPLETT LARRY W | 17466 | OKLAHOMA CITY | 71 | 22 |
| TRIPOWER RESOURCES INC | 14851 | ARDMORE | 29 | 12 |
| TRIPOWER RESOURCES LLCActive | 21986 | ARDMORE | 217 | 12 |
| TRISSELL ALVA LEE | 14115 | WILLOW | 4 | 2 |
| TRISUN ENERGY CORPORATION | 10486 | TULSA | 1 | 1 |
| TRITEX PRODUCTION COMPANY | 13547 | IOWA PARK | 24 | 5 |
| TRITON OIL & GAS CORPORATION | 4102 | DALLAS | 5 | 3 |
| TRIUMPH ENERGY INC | 14876 | LAFAYETTE | 2 | 1 |
| TRIUMPH ENERGY PARTNERS LLC | 23826 | OKLAHOMA CITY | 15 | 3 |
| TRIUMPH PRODUCTION CORP | 16084 | TULSA | 0 | 0 |
| TRIUMPH RESOURCES INC | 18326 | OKLAHOMA CITY | 0 | 0 |
| TRIUNE ENERGY PARTNERSActive | 23699 | BARTLESVILLE | 31 | 1 |
| TRIVESTCO ENERGY COMPANYActive | 16438 | PONCA CITY | 46 | 6 |
| TROCAR INC | 12620 | CLEVELAND | 0 | 0 |