| 29301 | Transok LLC | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Jul 2020 |
| 29302 | Transpac Petroleum Inc. | | Oil & Gas Operator | Dec 1995 |
| 29303 | Transpacific Energy, LLC | Katy, TX 77450 | Oil & Gas Operator | Apr 2026 |
| 29304 | Transpetco I | Shreveport, LA 71101 | Oil & Gas Operator | May 2009 |
| 29305 | Transpetco Transport Company | Shreveport, LA 71101-5370 | Oil Operator | Jun 2008 |
| 29306 | Transtexas Gas Corporation | Houston, TX 77265 | Oil & Gas Operator | Aug 2005 |
| 29307 | Transworld Expl. & Prod., Inc. | | Oil & Gas Operator | Mar 2004 |
| 29308 | Transworld Systems Petroleum Inc | Denver, CO 80202 | Oil & Gas Operator | Sep 2025 |
| 29309 | Trap Rock Oil Company | Cambridge, MA 02138 | Oil & Gas Operator | Nov 2005 |
| 29310 | Trap Rock Oil, LTD. | Houston, TX 77005 | Oil & Gas Operator | Apr 2026 |
| 29311 | Trapp Oil Oper - | | Oil Operator | Aug 1989 |
| 29312 | Traton Operating Company | Kingwood, TX 77339 | Oil & Gas Operator | Mar 2019 |
| 29313 | Travco Well Servicing LLC | Okmulgee, OK 74447 | Oil Operator | Dec 2025 |
| 29314 | Travelers Oil Company | Amarillo, TX 79102 | Oil & Gas Operator | Apr 2026 |
| 29315 | Travell Energy, Inc | | Oil Operator | Dec 2023 |
| 29316 | Traver Oil & Gas Corporation | | Oil & Gas Operator | Sep 2000 |
| 29317 | Traver Oil Company | | Oil & Gas Operator | Sep 2000 |
| 29318 | Traver-Patterson Petroleum Inc | | Oil & Gas Operator | May 1990 |
| 29319 | Travers Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 29320 | Traverse Oil Co | | Oil & Gas Operator | Nov 1983 |
| 29321 | Traverse Oil Co And Federal Oil Co | | Oil & Gas Operator | Nov 1983 |
| 29322 | Travis | Houston, TX 77057 | Oil Operator | Apr 2026 |
| 29323 | Travis E. Duren | | Oil Operator | Jul 1995 |
| 29324 | Travis Oil Co | Los Angeles, CA 90024 | Oil Operator | Jan 1990 |
| 29325 | Travis Operating, LLC | Kingwood, TX 77345 | Oil & Gas Operator | Apr 2026 |
| 29326 | Travis Peak Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 29327 | Travis, J. J., Trustee | Rockport, TX 78382 | Oil & Gas Operator | Dec 1996 |
| 29328 | Traxler, Joyce | Le Roy, NY 14482 | Gas Operator | Dec 2024 |
| 29329 | Traynor Oil & Gas Inc | Claremont, CA 91711-2837 | Oil & Gas Operator | Jan 2024 |
| 29330 | TRC Cypress Group LLC | | Oil & Gas Operator | Dec 2025 |
| 29331 | TRC Operating Company Inc. | | Oil & Gas Operator | Dec 2025 |
| 29332 | Tre'J Exploration, Inc. | | Gas Operator | Dec 1991 |
| 29333 | Treadaway Oil Co. | Balmorhea, TX 79718 | Oil & Gas Operator | Apr 2026 |
| 29334 | Treadstone Energy Partners, LLC | Houston, TX 77070 | Oil & Gas Operator | Jun 2016 |
| 29335 | Treadstone Energy PRTNR Op, LLC | Katy, TX 77494 | Oil & Gas Operator | Apr 2026 |
| 29336 | Treat Howard | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 2014 |
| 29337 | Trebole Operating Company | | Oil Operator | Jul 1979 |
| 29338 | Treco Oil Company | Albany, TX 76430 | Oil & Gas Operator | Apr 2026 |
| 29339 | Tredegar Properties, Inc. | | Oil Operator | Jun 1990 |
| 29340 | Tree Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 29341 | Trees Oil Compan | | Oil Operator | Jan 1995 |
| 29342 | Trejim Operators, LLC | Pampa, TX 79065 | Oil & Gas Operator | Apr 2026 |
| 29343 | Trek Aec, LLC | Wichita, KS 67202 | Oil & Gas Operator | Dec 2025 |
| 29344 | Trek Exploration, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Apr 2026 |
| 29345 | Trek Oil & Gas, Inc | Houston, TX 77002 | Oil Operator | Mar 1998 |
| 29346 | Trek Operating, LLC | Tulsa, OK 741520098 | Oil & Gas Operator | Mar 2021 |
| 29347 | Trek Petroleum Company, Inc. | Midland, TX 79707 | Oil & Gas Operator | Apr 2026 |
| 29348 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | Apr 2026 |
| 29349 | Tremo Corporation | Toronto, KS 66777 | Oil Operator | May 1998 |
| 29350 | Tren Energy LLC | El Paso, TX 79912 | Oil & Gas Operator | Apr 2026 |
| 29351 | Trenchco Inc | Shawnee, OK 74802-3577 | Oil & Gas Operator | Apr 2015 |
| 29352 | Trend Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 29353 | Trend Exploration I LLC | Midland, TX 79701 | Oil & Gas Operator | May 2011 |
| 29354 | Trend Gas & Oil Inc | Jenks, OK 74037 | Oil & Gas Operator | Dec 2000 |
| 29355 | Trend Oil Co | Petaluma, CA 94954 | Oil & Gas Operator | Feb 2017 |
| 29356 | Trendsetter Production Co, Inc | | Oil & Gas Operator | Jul 2008 |
| 29357 | Trendwell Energy Corporation | | Oil & Gas Operator | Sep 2025 |
| 29358 | Trenmor Gas & Oil Co LLC | Frazeysburg, OH 43822 | Oil Operator | Dec 2023 |
| 29359 | Trenna Oil Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2013 |
| 29360 | Trenon Oil & Gas Inc | Oklahoma City, OK 73112-4279 | Oil & Gas Operator | Sep 1996 |
| 29361 | Trepco Production Company Inc | Yukon, OK 73099 | Oil & Gas Operator | Dec 2025 |
| 29362 | Trepel Petroleum Exploration & | | Oil & Gas Operator | Apr 2014 |
| 29363 | Tres Azores Oil & Gas, Inc. | Fort Worth, TX 76185 | Oil & Gas Operator | Aug 2003 |
| 29364 | Tres Operating Co., LLC | Katy, TX 77494 | Oil Operator | Apr 2026 |
| 29365 | Tres Piedras, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1999 |
| 29366 | Tres Roughneckas WTX LLC | MC Camey, TX 79752 | Oil Operator | Apr 2026 |
| 29367 | Tresami, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2026 |
| 29368 | Tresco Energy LLC | Enid, OK 73703-3002 | Oil & Gas Operator | Dec 2025 |
| 29369 | Tresor Petroleum | | Oil & Gas Operator | Sep 1987 |
| 29370 | Tressler John R & IVa M | | Oil Operator | Apr 1989 |
| 29371 | Trestle Creek Properties, LLC | Manchaca, TX 78652 | Oil & Gas Operator | Apr 2026 |
| 29372 | Trey Exploration, Inc. | San Angelo, TX 76901 | Oil & Gas Operator | Dec 2019 |
| 29373 | Trey Operating Company | MC Camey, TX 79752 | Oil Operator | Jan 2016 |
| 29374 | Trey Resources Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 29375 | Trey Services, Inc. | Midland, TX 79711 | Oil & Gas Operator | Dec 1996 |
| 29376 | Tri "M" Oil & Gas | Muenster, TX 76252 | Oil & Gas Operator | Apr 2026 |
| 29377 | Tri City Oil Co., LLC | Winnie, TX 77665 | Oil Operator | Apr 2026 |
| 29378 | Tri Energy Resources, Inc. | Norman, OK 73070 | Oil Operator | Apr 2026 |
| 29379 | Tri Family Oil Co | | Oil Operator | Dec 2024 |
| 29380 | Tri Investment Company | | Oil Operator | Mar 1980 |
| 29381 | Tri Production Inc | Healdton, OK 73438 | Oil & Gas Operator | Dec 2025 |
| 29382 | Tri Sportsmen Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | Apr 2026 |
| 29383 | Tri Star Operating, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Jan 2002 |
| 29384 | Tri United, Inc | Hays, KS 67601 | Oil Operator | Dec 2025 |
| 29385 | Tri-Am Operating Company | Frankston, TX 75763 | Oil & Gas Operator | Apr 2026 |
| 29386 | Tri-C Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Aug 2009 |
| 29387 | Tri-C Resources, LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2026 |
| 29388 | Tri-City Drilling Joint Venture | Belpre, OH 45714 | Oil & Gas Operator | Dec 2024 |
| 29389 | Tri-City Energy Inc | Wilson, OK 73463-0196 | Oil Operator | Mar 2014 |
| 29390 | Tri-County Oil & Gas, Inc. | Fairmont, WV 26555-0000 | Oil & Gas Operator | Dec 2019 |
| 29391 | Tri-Dyne Resources, Inc. | Southern Pine, NC 28387 | Oil & Gas Operator | Feb 2000 |
| 29392 | Tri-Ex Corporation | | Oil & Gas Operator | Jan 1985 |
| 29393 | Tri-Ex Petroleum, L.P. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2013 |
| 29394 | Tri-Force Operating, L.L.C. | Royse City, TX 75189 | Oil & Gas Operator | Apr 2026 |
| 29395 | Tri-J Tubulars, Inc. | Wichita, KS 67202 | Oil Operator | Aug 1996 |
| 29396 | Tri-K Production Company, Inc. | Olney, TX 76374 | Oil & Gas Operator | Apr 1996 |
| 29397 | Tri-L Oil Co. | | Oil Operator | Sep 2015 |
| 29398 | Tri-Par Exploration, Inc. | | Oil Operator | Oct 2001 |
| 29399 | Tri-Production Company | | Oil Operator | Apr 1994 |
| 29400 | Tri-Quest Resources | | Oil & Gas Operator | Feb 1995 |