| TEX-STAR PRODUCTIONActive | 17309 | DALLAS | 69 | 13 |
| TEX/CON OIL & GAS CO | 17756 | HOUSTON | 11 | 4 |
| TEXACO EXPLORATION & PROD INC | 13734 | HOUSTON | 231 | 33 |
| TEXACO INC | 2153 | DENVER | 126 | 25 |
| TEXACO OILS INC | 12452 | TULSA | 4 | 4 |
| TEXAKOMA EXPLORATION & PRODUCTION LLCActive | 23701 | PLANO | 1 | 1 |
| TEXAKOMA OIL & GAS CORPORATION | 11790 | DALLAS | 20 | 9 |
| TEXAKOMA OPERATING LP | 21810 | PLANO | 9 | 4 |
| TEXANA INC | 12508 | DALLAS | 0 | 0 |
| TEXANA RESOURCES CORP | 7979 | DALLAS | 0 | 0 |
| TEXAS CRUDE EXPLORATION INC | 15162 | FORT WORTH | 12 | 9 |
| TEXAS EASTERN PRODUCTION INC | 13997 | LONGVIEW | 13 | 4 |
| TEXAS EMPIRE EXPL CORP | 11829 | LEBANON | 0 | 0 |
| TEXAS ENERGY & ENVIRONMENTAL | 20159 | HOUSTON | 0 | 0 |
| TEXAS ENERGY ASSOCIATES | 17959 | GRAHAM | 0 | 0 |
| TEXAS ENERGY MUTUAL LLC | 23552 | GRAPEVINE | 5 | 2 |
| TEXAS ENERGY OPERATIONS LC | 22564 | DALLAS | 5 | 3 |
| TEXAS EXPLOR & DRILLING CO INC | 11319 | TULSA | 3 | 2 |
| TEXAS MERIDIAN OPER CO INC | 17483 | HOUSTON | 2 | 2 |
| TEXAS MINERAL GROUP | 20316 | MIDLAND | 0 | 0 |
| TEXAS MORAN EXPLORATION CO | 15731 | HOUSTON | 0 | 0 |
| TEXAS OIL & GAS CORPORATION | 2155 | DALLAS | 22 | 16 |
| TEXAS OPERATING CO | 16770 | FORT WORTH | 0 | 0 |
| TEXAS RELIANCE CRUDE MKT INC | 18630 | SAN ANTONIO | 2 | 1 |
| TEXAS ROSE PETROLEUM | 15603 | TULSA | 0 | 0 |
| TEXAS SW GAS CORP | 16104 | TULSA | 0 | 0 |
| TEXAS TRANSCO INC | 22057 | CRESSON | 1 | 1 |
| TEXAS TRINITY RESOURCES INC | 11783 | HOUSTON | 2 | 1 |
| TEXAS UNITED PETROLEUM INC | 16609 | DALLAS | 3 | 2 |
| TEXASGULF INC | 8263 | HOUSTON | 0 | 0 |
| TEXCEL EXPLORATION INC | 22777 | BONHAM | 0 | 0 |
| TEXIMPEX LLC | 24335 | HOUSTON | 0 | 0 |
| TEXINIA CORP | 4896 | DALLAS | 4 | 3 |
| TEXINIA LIMITED PARTNERSHIP | 15692 | DALLAS | 0 | 0 |
| TEXINIA OIL & GAS INC | 15673 | DALLAS | 4 | 2 |
| TEXLAND PETROLEUM INC | 10736 | FT WORTH | 0 | 0 |
| TEXOCAN MINERALS INC | 12405 | TULSA | 0 | 0 |
| TEXOMA ENTERPRISES | 15465 | DALLAS | 0 | 0 |
| TEXOMA NATURAL RESOURCES | 15658 | GAINESVILLE | 5 | 2 |
| TEXOMA OIL & GAS CORPORATION | 4849 | LONGVIEW | 2 | 2 |
| TEXOMA OIL COMPANY | 15220 | EARLSBORO | 0 | 0 |
| TEXOMA OIL TOOLS INC | 19641 | WICHITA FALLS | 0 | 0 |
| TEXOMA OPERATORS LLC | 21615 | COPPELL | 5 | 1 |
| TEXOMA PETROLEUM CORP | 18399 | BROKEN ARROW | 0 | 0 |
| TEXOMA RESOURCES INC | 8582 | EDMOND | 23 | 9 |
| TEXOMA TANK SERVICE LLC | 23293 | — | 0 | 0 |
| TEXON MIDSTREAM LLCActive | 24983 | HOUSTON | 0 | 0 |
| TEXXON RESOURCES INC | 19259 | WINTER PARK | 31 | 1 |
| TGMC INC | 14854 | FORT WORTH | 0 | 0 |
| TGS-NOPEC GEOPHYSICAL COMPANYActive | 24829 | HOUSTON | 0 | 0 |
| TGX CORPORATION | 11532 | HOUSTON | 9 | 6 |
| THAGARD OIL & GAS CORP | 12336 | WESTMINISTER | 4 | 2 |
| THAMS OPERATING COMPANY LLC | 23581 | GUTHRIE | 3 | 2 |
| THAYER EXPLORATION COMPANY | 11679 | WETUMKA | 5 | 1 |
| THE DEHART COMPANY LLCActive | 24857 | ARDMORE | 109 | 6 |
| THE GALAXY CORPORATIONActive | 17007 | SAPULPA | 31 | 1 |
| THE GUINN COMPANY LLCActive | 13231 | ASHER | 10 | 2 |
| THE KT OIL COMPANY LLCActive | 24785 | ADA | 155 | 6 |
| THE LINK AND WILLOBY COMPANY, LLPActive | 25223 | Broken Arrow | 3 | 1 |
| THE PASSMORE, LLC | 25015 | DALLAS | 1 | 1 |
| THE QUINTIN LITTLE COMPANY INCActive | 16083 | ARDMORE | 141 | 19 |
| THE TWENTY ELEVEN CORP INCActive | 17572 | ADA | 18 | 2 |
| THE WILLIAM R EARNHARDT COMPANYActive | 3959 | BRISTOW | 22 | 2 |
| THETA RESOURCES CORP | 11065 | DALLAS | 0 | 0 |
| THI DRILLING CORPORATION | 12835 | WICHITA FALLS | 0 | 0 |
| THIELEN-RUDD APRIL | 22544 | ROOSEVELT | 0 | 0 |
| THIESSEN WALTER | 13604 | COLLINSVILLE | 0 | 0 |
| THIRD GENERATION RESOURCES LLC | 22344 | BIXBY | 0 | 0 |
| THOMAS BLANKENSHIP DBA B S OIL COMPANYActive | 14249 | LINDSAY | 40 | 5 |
| THOMAS CHARLES M OIL & GAS INC | 11559 | OKLAHOMA CITY | 0 | 0 |
| THOMAS E L | 3474 | TULSA | 24 | 3 |
| THOMAS EDWARD KEITHActive | 15733 | BEAVER | 1 | 1 |
| THOMAS ENERGY | 16875 | OKLAHOMA CITY | 0 | 0 |
| THOMAS EXPLORATION COMPANYActive | 8441 | TULSA | 7 | 4 |
| THOMAS J L ENGINEERING INC | 2165 | EDMOND | 29 | 16 |
| THOMAS JAMES E | 12628 | NORMAN | 0 | 0 |
| THOMAS OIL COMPANY LLCActive | 24463 | ARDMORE | 76 | 2 |
| THOMAS PRODUCTION | 21124 | SEMINOLE | 0 | 0 |
| THOMAS R W INC | 13180 | NORMAN | 2 | 2 |
| THOMAS WAYNE OIL & GAS | 17448 | BRISTOW | 4 | 1 |
| THOMASON CLINTON L | 19910 | ELKHART | 0 | 0 |
| THOMPCO ENTERPRISES | 15732 | WHITEFIELD | 0 | 0 |
| THOMPSON FELTON | 10966 | DEWEY | 3 | 1 |
| THOMPSON J M | 2168 | CUSHING | 4 | 3 |
| THOMPSON JACKIE JACQUELINE | 18868 | ST. LOUIS | 0 | 0 |
| THOMPSON JAMES R | 2169 | OKMULGEE | 8 | 1 |
| THOMPSON JAMES R JRActive | 22255 | OKMULGEE | 9 | 1 |
| THOMPSON JOE L INC | 7736 | OKLAHOMA CITY | 8 | 6 |
| THOMPSON JOE R | 6250 | EDMOND | 1 | 1 |
| THOMPSON MAURICE JAMES | 14802 | OKLAHOMA CITY | 0 | 0 |
| THOMPSON NORMA | 5015 | TALALA | 1 | 1 |
| THOMPSON OPERATING COMPANY | 3547 | ABERNATHY | 2 | 1 |
| THOMPSON R S | 2945 | LAS VEGAS | 0 | 0 |
| THOMPSON ROY G | 18128 | BARTLESVILLE | 3 | 2 |
| THOMSON ENERGY MANAGEMENT, INC | 15467 | DALLAS | 2 | 2 |
| THOR PETROLEUM INC | 18051 | WOODLANDS | 1 | 1 |
| THORNBRUGH JOEActive | 22000 | NOWATA | 3 | 1 |
| THORNBURG KEN | 24886 | OKMULGEE | 0 | 0 |
| THORNTON DENNIS | 15359 | JENKS | 1 | 1 |
| THOROUGHBRED PETROLEUM INC | 23955 | MORRISON | 0 | 0 |
| THR OILActive | 14828 | KONAWA | 5 | 1 |
| THRALLS THOMAS W | 22454 | MANNFORD | 0 | 0 |
| THRASH LARRY D | 18028 | BARTLESVILLE | 1 | 1 |
| THREE B LAND & CATTLE CO | 5938 | OKLAHOMA CITY | 1 | 1 |
| THREE BROTHERS ENERGY INC. | 18623 | PONCA CITY | 1 | 1 |
| THREE C OIL COMPANY | 4718 | OKLAHOMA CITY | 0 | 0 |
| THREE D RESOURCES INCActive | 19378 | LIBERAL | 0 | 0 |
| THREE DAUGHTERS RANCH | 20504 | MORRIS | 0 | 0 |
| THREE FORKS RESOURCES LLCActive | 23156 | WHEAT RIDGE | 19 | 2 |
| THREE MG FAMILY INC | 21284 | HOLDENVILLE | 9 | 2 |
| THREE SANDS INVESTMENT COMPANYActive | 20427 | WAUKOMIS | 14 | 2 |
| THREE SANDS OIL INC | 6889 | PERRY | 288 | 13 |
| THREET DAVID ALLENActive | 20461 | SAND SPRINGS | 19 | 4 |
| THRESHER ENERGY INCActive | 24590 | HOUSTON | 12 | 1 |
| THRESHOLD DEVELOPMENT COMPANY | 18810 | FORT WORTH | 1 | 1 |
| THT DISPOSALS LLC | 22322 | LINDSAY | 0 | 0 |
| THT TRUCKING LLC | 22262 | ROCKWALL | 0 | 0 |
| THUNDER OIL & GAS LLCActive | 10073 | ARDMORE | 69 | 18 |
| THUNDER PETROLEUM LLCActive | 23049 | OWASSO | 10 | 2 |
| THUNDERBIRD NATURAL RESOURCES, LLCActive | 25168 | Oklahoma City | 0 | 0 |
| THUNDERBIRD SALT WATER DIS INC | 15788 | DOVER | 1 | 1 |
| TIBBENS PETROLEUM COMPANY | 2176 | BROKEN ARROW | 0 | 0 |
| TICE CHARLES W | 11269 | ARDMORE | 3 | 2 |
| TICKEL JIM & CINDY | 19734 | BLACKWELL | 0 | 0 |
| TICKEL L B | 4824 | NEWKIRK | 0 | 0 |
| TICKLEGRASS EXPLORATION, LLCActive | 25048 | RATLIFF CITY | 1 | 1 |
| TIDE WEST OIL COMPANY | 11764 | TULSA | 50 | 22 |
| TIDEMARK EXPLORATION | 14047 | TULSA | 13 | 7 |
| TIDEMARK EXPLORATION INC | 19469 | TULSA | 0 | 0 |
| TIDEMARK EXPLORATION INC | 20818 | TULSA | 0 | 0 |
| TIDEWATER OPERATING CO INCActive | 19333 | TULSA | 56 | 1 |
| TIDWELL OIL LLC | 21445 | ROFF | 0 | 0 |
| TIERRA PETROLEUM CORP | 13541 | HOUSTON | 1 | 1 |
| TIERRA PETROLEUM INC | 17884 | CONROE | 0 | 0 |
| TIGER ENERGY & EXPLORATION LLC | 23952 | ARDMORE | 0 | 0 |
| TIGER ENERGY CORPORATION | 11957 | TULSA | 1 | 1 |
| TIGER EYE RESOURCES LLC | 22661 | HOCKLEY | 6 | 1 |
| TIGER MOUNTAIN ENERGY COMPANY | 16459 | PORTLAND | 1 | 1 |
| TIGER MOUNTAIN GAS & OIL | 6433 | OKLAHOMA CITY | 5 | 1 |
| TIGER NATURAL GAS INC | 21207 | TULSA | 0 | 0 |
| TIGER OIL & GAS | 16058 | DALLAS | 0 | 0 |
| TIGER OIL COMPANY | 15821 | DALLAS | 1 | 1 |
| TIGER OIL COMPANY LLC | 24454 | EDMOND | 2 | 2 |
| TIGER TRUCKS INCActive | 15432 | SEMINOLE | 0 | 0 |
| TILFORD PINSON EXPLORATION LLC | 19944 | EDMOND | 57 | 5 |
| TILLERY VERNON | 13070 | ELMORE CITY | 0 | 0 |
| TILLEY MATT dba TILLEY OIL COActive | 22992 | Skiatook | 8 | 3 |
| TILLEY OIL & GAS INCActive | 13912 | OKLAHOMA CITY | 11 | 6 |
| TILLEY OIL INCActive | 22511 | VELMA | 211 | 1 |
| TILLMAN CONSULTING LLC dba B & C OPERATING | 24211 | MUSTANG | 0 | 0 |
| TIM'S ENGINE & COMPRESSOR LLC | 20591 | CUSHING | 0 | 0 |
| TIMBER HILL ENERGYActive | 17091 | PAWHUSKA | 0 | 0 |
| TIMBERCREEK OIL COMPANY LLCActive | 20430 | HEALDTON | 4 | 1 |
| TIMBERLINE ENERGY GROUP OPERATING LLCActive | 25241 | Bentley | 2 | 1 |
| TIME EXPLORATION | 14755 | TULSA | 0 | 0 |
| TIME OIL & GAS INC | 14711 | PERRY | 0 | 0 |
| TIMER OIL CORPORATION | 15351 | FREEDOM | 0 | 0 |
| TIMMONS OIL COMPANY INC | 11879 | TULSA | 11 | 2 |
| TIMMY CORNETTActive | 25156 | AVANT | 14 | 3 |
| TIMOTHY OIL COMPANY INC | 11720 | TULSA | 2 | 1 |
| TIMS WILLIAM J | 19251 | TULSA | 0 | 0 |
| TINCUP RESOURCES INC | 16971 | BROKEN ARROW | 0 | 0 |
| TINDALL OPERATING COMPANY | 14864 | ENGLEWOOD | 0 | 0 |
| TINDOL BETTY J | 20010 | RYAN | 0 | 0 |
| TINDOL JR ROBERT | 7565 | RYAN | 0 | 0 |
| TIPPERARY OIL & GAS CORP | 6381 | DENVER | 0 | 0 |
| TIPTON EARL | 11744 | DAVENPORT | 0 | 0 |
| TIPTON JIM | 18839 | DAVENPORT | 1 | 1 |
| TIPTOP OIL & GAS US LLCActive | 23611 | OKLAHOMA CITY | 0 | 0 |
| TIRAS ALAN OIL PROPERTIES | 13801 | SEMINOLE | 1 | 0 |
| TITAN ENTERPRISES INC | 18989 | OKLAHOMA CITY | 0 | 0 |
| TITAN OIL & GAS CORPORATION | 19889 | EDMOND | 31 | 6 |
| TITAN OIL CO LLC | 21595 | DOVER | 0 | 0 |
| TITAN RESOURCES LTDActive | 17662 | TULSA | 43 | 14 |
| TITAN ROCK EXPLORATION & PRODUCTION II LLC | 24700 | — | 0 | 0 |
| TITIAN OIL & GAS CORP | 8495 | TALALA | 0 | 0 |
| TJ OIL COMPANY | 19613 | COMANCHE | 0 | 0 |
| TKL OIL PROPERTIES INCActive | 15396 | KONAWA | 13 | 3 |
| TLC OIL AND GAS | 19243 | DUNCAN | 5 | 2 |
| TLM RESOURCES INC | 20835 | ENID | 2 | 1 |
| TLOR OIL COMPANY | 19883 | BROKEN ARROW | 0 | 0 |
| TLS OIL & GAS INC | 21028 | KINGFISHER | 2 | 1 |
| TLS OPERATING COMPANY | 19005 | GREENWOOD VILGE | 2 | 1 |
| TLW INVESTMENTS INC | 16206 | OKLAHOMA CITY | 0 | 0 |
| TMI MINISTRIES | 23336 | OLYMPIA | 0 | 0 |
| TMT OIL PRODUCTION LLCActive | 23821 | DEWEY | 20 | 1 |
| TNT DRILLING & EXPLORATION INC | 10855 | PRYOR | 19 | 2 |
| TNT ENTERPRIZES | 18884 | COWETA | 9 | 1 |
| TNT OPERATING COMPANY INC | 19087 | BLANCHARD | 4 | 2 |
| TO PRODUCTION LLC | 23389 | OKLAHOMA CITY | 0 | 0 |
| TOBY OIL CO | 11695 | BURKBURNETT | 4 | 1 |
| TOBY'S TANK TRUCKS LLC | 23158 | GUTHRIE | 1 | 1 |
| TOCO OIL & GAS CO | 8648 | GRAPEVINE | 1 | 1 |
| TODAY CONSULTING & INVESTMENT INC | 18367 | RINGWOOD | 4 | 2 |
| TODCO PROPERTIES INC | 19208 | NORMAN | 0 | 0 |
| TODD F MAX | 15352 | MOUNDS | 1 | 1 |
| TODD JOHN C | 10079 | OKLAHOMA CITY | 4 | 1 |
| TODRIC INC | 16851 | DUNCAN | 2 | 1 |
| TOIL OPERATING COMPANY | 16613 | SHAWNEE | 1 | 1 |
| TOKATA OIL RECOVERY INCActive | 23920 | CLEARWATER | 2 | 1 |