| 29301 | Threshold Development Company | Fort Worth, TX 76109 | Oil & Gas Operator | Aug 2016 |
| 29302 | Threshold Exploration, Inc. | College Sta, TX 77842 | Oil & Gas Operator | Oct 2015 |
| 29303 | Thriftway Company | Farmington, NM 87401 | Oil & Gas Operator | Dec 1996 |
| 29304 | Thriftway Marketing Corp | Farmington, NM 87401 | Gas Operator | Apr 2000 |
| 29305 | Thrifty Well Service | Rice, TX 75155 | Oil & Gas Operator | Jun 2009 |
| 29306 | Throckmorton Oil, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Mar 2008 |
| 29307 | Throne Delaware Resources, LLC | McKinney, TX 75072 | Oil & Gas Operator | Dec 2021 |
| 29308 | Throne Petroleum Resources LLC | Houston, TX 77006 | Oil & Gas Operator | Aug 2021 |
| 29309 | Thropp, Kevin F D/B/A Marilyns Motors | | Oil & Gas Operator | Dec 2020 |
| 29310 | THT Covenant Holdings, LLC | Wichita Falls, TX 76307 | Oil Operator | Nov 2025 |
| 29311 | THT Operating Company | | Oil & Gas Operator | Jul 1990 |
| 29312 | Thums Long Beach Co. | | Oil & Gas Operator | Sep 2025 |
| 29313 | Thunder Basin Resources LLC | Denver, CO 80203 | Oil & Gas Operator | Jul 2023 |
| 29314 | Thunder Corp | Marietta, OH 45750 | Oil & Gas Operator | Dec 2014 |
| 29315 | Thunder Oil & Gas, LLC | Ardmore, OK 73402 | Oil & Gas Operator | Jul 2025 |
| 29316 | Thunder Oil, LLC | | Oil & Gas Operator | Oct 1998 |
| 29317 | Thunder Petroleum LLC | Owasso, OK 74055-1563 | Oil Operator | Sep 2022 |
| 29318 | Thunder Resources LLC | Graham, TX 76450 | Oil Operator | Nov 2025 |
| 29319 | Thunderbird (Texas) Resources LP | Edmond, OK 73025 | Oil & Gas Operator | Apr 2019 |
| 29320 | Thunderbird Dril | | Oil & Gas Operator | Nov 1995 |
| 29321 | Thunderbird Drilling, Inc. | Wichita, KS 67207 | Oil Operator | Oct 2008 |
| 29322 | Thunderbird Energy, Inc. | Norman, OK 73069 | Oil & Gas Operator | Nov 2025 |
| 29323 | Thunderbird Oil | | Oil Operator | Oct 1991 |
| 29324 | Thunderbird Operating, L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Nov 2025 |
| 29325 | Thunderbird Resources LP | | Oil & Gas Operator | Apr 2019 |
| 29326 | Thunderbolt Construction Corp. | Louisburg, KS 66053 | Oil Operator | Oct 2024 |
| 29327 | Thunderbolt Oil & Gas, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Feb 2004 |
| 29328 | Thunderbolt Petroleum Co. LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 29329 | Thunderbolt Petroleum, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 29330 | Thurber, Gueydon | Horseshoe Bay, TX 78657 | Oil Operator | May 2001 |
| 29331 | Thurner Energy Corporation | | Oil & Gas Operator | Dec 2001 |
| 29332 | Thurston Energy Operating | Vernal, UT 84078 | Oil & Gas Operator | Dec 2015 |
| 29333 | Thurston Texas Operating Co LLC | Dallas, TX 75219 | Oil Operator | Nov 2025 |
| 29334 | Tiara Resources, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Apr 1998 |
| 29335 | Tiburon Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2000 |
| 29336 | Tice, Robin Alejandrina | Gordon, TX 76453 | Gas Operator | Nov 2025 |
| 29337 | Tickel Jim & Cindy | Blackwell, OK 74631-6015 | Oil Operator | Jan 2013 |
| 29338 | Ticony Inc | | Oil & Gas Operator | Dec 1989 |
| 29339 | Tidal Petroleum, Inc. | Schertz, TX 78154 | Oil & Gas Operator | Nov 2025 |
| 29340 | Tidal Wave Energy, Inc. | New Castle, PA 16105 | Oil & Gas Operator | Jun 2022 |
| 29341 | Tidd, Frankie | Neosho Falls, KS 66758 | Oil Operator | Nov 1996 |
| 29342 | Tidd, Gary D. | Piqua, KS 66761 | Oil Operator | May 2016 |
| 29343 | Tide Energy, Inc. | Dallas, TX 75206 | Gas Operator | Oct 1994 |
| 29344 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
| 29345 | Tideland Industries, Inc. | | Oil & Gas Operator | Dec 1989 |
| 29346 | Tidelands Gas Corporation | Flower Mound, TX 75028 | Oil & Gas Operator | Sep 2000 |
| 29347 | Tidelands Oil Corporation | Crystal City, TX 78839 | Oil & Gas Operator | Aug 2003 |
| 29348 | Tidelands Oil Production Co. | | Oil & Gas Operator | Sep 2025 |
| 29349 | Tidelands Resources, Inc. | | Gas Operator | Oct 1990 |
| 29350 | Tidemark Exploration | Tulsa, OK 74170 | Oil & Gas Operator | May 2005 |
| 29351 | Tidemark Exploration Inc | Tulsa, OK 74120 | Oil & Gas Operator | Apr 2019 |
| 29352 | Tidemark Petroleum, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2002 |
| 29353 | Tidewater Co | | Oil & Gas Operator | Sep 1967 |
| 29354 | Tidewater Minerals Corporation | Orange Grove, TX 78372 | Oil & Gas Operator | Nov 2025 |
| 29355 | Tidewater Operating Co Inc | Tulsa, OK 74136-6308 | Oil & Gas Operator | Jun 2025 |
| 29356 | Tidewater Resources Corporation | Memphis, TN 38138 | Gas Operator | Feb 2025 |
| 29357 | Tideway Oil Programs, Inc. | | Oil & Gas Operator | Oct 1980 |
| 29358 | Tidlow | Santa Fe, NM 87508 | Oil & Gas Operator | Dec 2007 |
| 29359 | Tidmore, Ann | Albany, TX 76430 | Oil & Gas Operator | Nov 2025 |
| 29360 | Tidwell Oil LLC | Roff, OK 74865 | Oil Operator | Feb 2022 |
| 29361 | Tidwell Production Company | Sonora, TX 76950 | Oil & Gas Operator | Nov 2025 |
| 29362 | Tierra Mineral Development, L.C. | Dallas, TX 75244 | Oil & Gas Operator | Oct 1994 |
| 29363 | Tierra Petroleum Corp. | | Oil & Gas Operator | Jun 1987 |
| 29364 | Tiffany Gas Co | Farmington, NM 87499 | Oil Operator | Jan 2010 |
| 29365 | Tigco Oil & Gas Co., Inc. | | Oil & Gas Operator | Nov 2014 |
| 29366 | Tiger Development LLC | | Oil & Gas Operator | Aug 2019 |
| 29367 | Tiger Energy Operating, LLC | Los Angeles, CA 90025 | Oil & Gas Operator | Sep 2025 |
| 29368 | Tiger Eye Resources LLC | Hockley, TX 77447-6911 | Oil Operator | Oct 2012 |
| 29369 | Tiger Mountain Gas & Oil | Oklahoma City, OK 73118 | Gas Operator | Sep 1999 |
| 29370 | Tiger Oil Company | Dallas, TX 75221 | Oil & Gas Operator | May 2007 |
| 29371 | Tiger Oil International, Inc | | Oil & Gas Operator | Dec 1978 |
| 29372 | Tiger Oil, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2007 |
| 29373 | Tiger Petroleum | | Oil Operator | Sep 2002 |
| 29374 | Tiger Production Company, LLC | | Oil & Gas Operator | Aug 2021 |
| 29375 | Tiger Resources, L.L.C. | Houston, TX 77070 | Oil & Gas Operator | Feb 2004 |
| 29376 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Aug 2025 |
| 29377 | Tigges Oil LLC | | Oil & Gas Operator | Dec 2022 |
| 29378 | Tightrock Enterprises, Inc. | Trinidad, TX 75163 | Oil Operator | Nov 2025 |
| 29379 | Tigner Walker | | Oil & Gas Operator | Dec 2021 |
| 29380 | Tigner Walker Et Al | | Oil & Gas Operator | Aug 2000 |
| 29381 | Tigrett, Robert L. Oil & Gas Co. | Pampa, TX 79065 | Oil & Gas Operator | Dec 2013 |
| 29382 | Tigrett, Terry A. Jr. | | Oil & Gas Operator | Oct 1980 |
| 29383 | Tiki Oil & Gas, LLC | Cisco, TX 76437 | Oil Operator | Nov 2025 |
| 29384 | Tilden Marcellus LLC | Houston, TX 77024-1358 | Gas Operator | May 2022 |
| 29385 | Tilford Pinson Exploration LLC | Edmond, OK 73003 | Oil & Gas Operator | Jul 2025 |
| 29386 | Tilghman Operating, LLC. | | Oil & Gas Operator | Aug 2025 |
| 29387 | Tilley Matt Dba Tilley Oil Co | Hominy, OK 74035 | Oil & Gas Operator | Jul 2025 |
| 29388 | Tilley Oil & Gas, Inc. | Oklahoma City, OK 73172 | Oil & Gas Operator | Nov 2025 |
| 29389 | Tilley Oil Inc | Velma, OK 73491 | Oil & Gas Operator | Aug 2025 |
| 29390 | Tillman A. Rousse | | Oil Operator | Jan 1990 |
| 29391 | Tillman A. Rousse, Inc. | | Oil Operator | Apr 2001 |
| 29392 | Tillman Consulting LLC Dba B & C Operating | Mustang, OK 73064-8195 | Oil Operator | Jan 2022 |
| 29393 | Tillman J. McIntyre | | Oil Operator | Dec 1987 |
| 29394 | Tillman, Jack Equipment Co. | Holliday, TX 76366 | Oil & Gas Operator | Sep 2004 |
| 29395 | Tilmon Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Sep 2012 |
| 29396 | Tilton Oil & Gas | Lowell, OH 45744 | Oil & Gas Operator | Dec 2024 |
| 29397 | Tim Brookover | | Oil & Gas Operator | Dec 2005 |
| 29398 | Timber Hill Energy | Pawhuska, OK 74056 | Oil & Gas Operator | Jun 2011 |
| 29399 | Timbercreek Oil Company LLC | Healdton, OK 73438 | Oil Operator | Jun 2025 |
| 29400 | Timberlake Energy Corporation | Cypress, TX 77429 | Oil Operator | Nov 2013 |