| 11401 | Tidwell Production Company | Sonora, TX 76950 | Oil & Gas Operator | Dec 2025 |
| 11402 | Tierra Mineral Development, L.C. | Dallas, TX 75244 | Oil & Gas Operator | Oct 1994 |
| 11403 | Tiger Resources, L.L.C. | Houston, TX 77070 | Oil & Gas Operator | Feb 2004 |
| 11404 | Tightrock Enterprises, Inc. | Trinidad, TX 75163 | Oil Operator | Dec 2025 |
| 11405 | Tigrett, Robert L. Oil & Gas Co. | Pampa, TX 79065 | Oil & Gas Operator | Dec 2013 |
| 11406 | Tiki Oil & Gas, LLC | Cisco, TX 76437 | Oil & Gas Operator | Dec 2025 |
| 11407 | Tilley Oil & Gas, Inc. | Oklahoma City, OK 73172 | Oil & Gas Operator | Dec 2025 |
| 11408 | Tillman, Jack Equipment Co. | Holliday, TX 76366 | Oil & Gas Operator | Sep 2004 |
| 11409 | Tilmon Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Sep 2012 |
| 11410 | Timberwolf Energy, Inc. | Houston, TX 77042 | Oil & Gas Operator | Dec 2025 |
| 11411 | Timn Oil Co. | Lubbock, TX 79424 | Oil & Gas Operator | Aug 1997 |
| 11412 | Tindle Petroleum LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2023 |
| 11413 | Tipco Operating Co. | Marshall, TX 75671 | Oil & Gas Operator | Dec 2025 |
| 11414 | Tipperary Oil & Gas Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2014 |
| 11415 | Titan Allen Dome LLC | Houston, TX 77056 | Oil Operator | Feb 2015 |
| 11416 | Titan Energy Operating LLC | Houston, TX 77056 | Oil Operator | Jan 2016 |
| 11417 | Titan Energy, Inc. | Austin, TX 78703 | Oil & Gas Operator | Dec 2025 |
| 11418 | Titan Exploration LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 11419 | Titan Operating, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2012 |
| 11420 | Titan Petroleum, Inc. | Tomball, TX 77375 | Oil & Gas Operator | Nov 2004 |
| 11421 | Titan Resources I, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2000 |
| 11422 | Titan Rock E&P, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2024 |
| 11423 | Titus Liberty Multi Well 2, LLC | Irving, TX 75063 | Oil & Gas Operator | Dec 2025 |
| 11424 | Titus Oil & Gas Production, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2022 |
| 11425 | Tiza Energy, Inc. | Austin, TX 78715 | Oil & Gas Operator | Dec 2025 |
| 11426 | Tiza Operating Company | Austin, TX 78716 | Oil & Gas Operator | Jan 2000 |
| 11427 | TJ Oil Company | Borger, TX 79008 | Oil & Gas Operator | Dec 2025 |
| 11428 | TK Drilling Corp. | Tulsa, OK 74133 | Oil & Gas Operator | Oct 2025 |
| 11429 | TK Operating | Cross Plains, TX 76443 | Oil & Gas Operator | Dec 2025 |
| 11430 | TKL Oil Properties Inc | Konawa, OK 74849 | Oil & Gas Operator | Oct 2025 |
| 11431 | TKP Petroleum, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Dec 2025 |
| 11432 | TLH Production LLC | Abilene, TX 79602 | Oil & Gas Operator | Dec 2025 |
| 11433 | TMBR/Sharp Drilling, Inc. | Midland, TX 79703 | Oil & Gas Operator | Feb 2004 |
| 11434 | TMR Exploration, Inc. | Bossier City, LA 71171 | Oil & Gas Operator | Dec 2025 |
| 11435 | TNC Energy, LLC | Lubbock, TX 79401 | Oil & Gas Operator | Nov 2016 |
| 11436 | TNCH, LLC | Colorado City, TX 79512 | Oil Operator | Dec 2025 |
| 11437 | TNR Petroleum, Inc. | Austin, TX 78747 | Oil & Gas Operator | Sep 1999 |
| 11438 | TNT Energy Inc. | Brownwood, TX 76801 | Oil & Gas Operator | May 2013 |
| 11439 | TNT Oil Co. | Hamlin, TX 79520 | Oil & Gas Operator | Dec 2025 |
| 11440 | TNT Petroleum Company, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Feb 1996 |
| 11441 | Toc Energy Resources, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Dec 2025 |
| 11442 | Todd, J R Oil & Investments, Inc | Dallas, TX 75206 | Oil & Gas Operator | Jun 2002 |
| 11443 | Toklan Oil And Gas Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2025 |
| 11444 | Tola Production Company | Dallas, TX 75367 | Oil & Gas Operator | Dec 2025 |
| 11445 | Tollett Oil | Graham, TX 76450 | Oil Operator | Nov 2024 |
| 11446 | Tom Coble Oil & Gas LP | Amarillo, TX 79105 | Oil & Gas Operator | Dec 2025 |
| 11447 | Tom E. Johnson Exploration LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 11448 | Tom Operating And Minerals LLC | Andrews, TX 79714 | Gas Operator | Dec 2025 |
| 11449 | Tom-Tom Operating, LLC | Dallas, TX 75209 | Oil & Gas Operator | Dec 2025 |
| 11450 | Toma Oil & Gas, Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Oct 1997 |
| 11451 | Tomar Petroleum Inc | Dallas, TX 75225 | Oil & Gas Operator | Mar 2001 |
| 11452 | Tomco Oil & Gas Inc. | Comanche, TX 76442 | Oil & Gas Operator | Dec 2025 |
| 11453 | Tomel Production, LLC | Dallas, TX 75360 | Oil & Gas Operator | Dec 2025 |
| 11454 | Tomlinson, John Oil Operator | Batson, TX 77519 | Oil & Gas Operator | Mar 2008 |
| 11455 | Tomlinson, Thomas K. Inc. | Port Lavaca, TX 77979 | Oil & Gas Operator | Jul 2003 |
| 11456 | Tompkins, Kevin D. | Kilgore, TX 75663 | Oil Operator | Dec 2025 |
| 11457 | Tomsha LLC | Bryson, TX 76427 | Oil Operator | Dec 2025 |
| 11458 | Toney, W.L. | Borger, TX 79007 | Oil & Gas Operator | Oct 2012 |
| 11459 | Tong Petrotech Inc. | Houston, TX 77079 | Oil & Gas Operator | Dec 2025 |
| 11460 | Tonk Creek Oil Company | Aspermont, TX 79502 | Oil & Gas Operator | Dec 2025 |
| 11461 | Tonto Petroleum Corporation | Post, TX 79356 | Oil & Gas Operator | Jan 2007 |
| 11462 | Toomey Oil Company Inc | Tulsa, OK 74120 | Oil & Gas Operator | Nov 2025 |
| 11463 | Top O'Texas Energy, L.P. | Pampa, TX 79066 | Oil & Gas Operator | Dec 2025 |
| 11464 | Top O'Texas Production Co. | Pampa, TX 79065 | Oil & Gas Operator | May 2024 |
| 11465 | Top O'Texas Production, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Feb 1997 |
| 11466 | Top Op, L.L.C. | Houston, TX 77077 | Oil & Gas Operator | May 2020 |
| 11467 | Topat Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Sep 2017 |
| 11468 | Topaz Oil Company | Diboll, TX 75941 | Oil & Gas Operator | Apr 1994 |
| 11469 | Topper Oil Company | Borger, TX 79007 | Oil & Gas Operator | Dec 2025 |
| 11470 | Tor Energy, LLC | Temple, TX 76501 | Oil & Gas Operator | Dec 2025 |
| 11471 | Torch Energy Services, Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2011 |
| 11472 | Torch Oil & Gas Company | Houston, TX 77010 | Oil & Gas Operator | Aug 1997 |
| 11473 | Torch Operating Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
| 11474 | Torch Operating LLC | Fort Worth, TX 76135 | Oil & Gas Operator | Oct 2020 |
| 11475 | Toreador Exploration & Prod Inc | Dallas, TX 75240 | Oil & Gas Operator | Feb 2008 |
| 11476 | Torrent Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 11477 | Tortuga Operating Company | Houston, TX 77055 | Oil & Gas Operator | Dec 2025 |
| 11478 | Total E&P USA, Inc. | Houston, TX 77210 | Oil & Gas Operator | May 2025 |
| 11479 | Total Minatome Corporation | Houston, TX 77210 | Oil & Gas Operator | Dec 1998 |
| 11480 | Totalfinaelf E&P USA Inc | Houston, TX 77024 | Oil & Gas Operator | Jul 2007 |
| 11481 | Touchstone Resources USA, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2006 |
| 11482 | Tower Resources Inc | Conroe, TX 77304 | Oil & Gas Operator | Dec 2025 |
| 11483 | Townes, Don | Clarksville, TX 75426 | Oil & Gas Operator | Dec 2025 |
| 11484 | Townsend Company | Abilene, TX 79608 | Oil & Gas Operator | Dec 2021 |
| 11485 | Townsend, R. F. Trustee | Dallas, TX 75201 | Oil & Gas Operator | Dec 1994 |
| 11486 | TPC Exploration, LLC | May, TX 76857 | Oil & Gas Operator | Dec 2025 |
| 11487 | Tpet Management Inc. | Dallas, TX 75204 | Oil & Gas Operator | Dec 1997 |
| 11488 | Tpet, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Mar 2008 |
| 11489 | TPR - Texas Petroleum Res. Inc | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |
| 11490 | TR Offshore, LLC | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Dec 2025 |
| 11491 | TR Operating LLC | Graham, TX 76450 | Oil Operator | Nov 2025 |
| 11492 | Trace Energy Management Inc | Weatherford, TX 76086 | Oil & Gas Operator | Dec 2025 |
| 11493 | Trace Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2025 |
| 11494 | Tracer Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Nov 1998 |
| 11495 | Tracer Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 11496 | Tracker Mineral | Clyde, TX 79510 | Oil & Gas Operator | Dec 2025 |
| 11497 | Tracker Oil & Gas, Inc. | Bastrop, TX 78602 | Oil & Gas Operator | Dec 2025 |
| 11498 | Tracker Resource Dev III, LLC | Englewood, CO 80112 | Oil & Gas Operator | Jul 2021 |
| 11499 | Trackstar Energies LLC | Colorado Springs, CO 80919-3233 | Oil Operator | Mar 2023 |
| 11500 | Tracy Co. | Rockdale, TX 76567 | Oil & Gas Operator | Mar 2022 |