| 29201 | Toto Energy, LLC | Spring, TX 77380 | Oil & Gas Operator | Dec 2019 |
| 29202 | Totten Resources | | Oil Operator | Sep 2007 |
| 29203 | Touchstone Properties, Inc. | | Oil Operator | Mar 1988 |
| 29204 | Touchstone Resources USA, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2006 |
| 29205 | Touchstone Trading & Transportation Inc | | Oil Operator | Mar 2025 |
| 29206 | Tower Drilling Corporation | | Oil & Gas Operator | Dec 2021 |
| 29207 | Tower Energy Corporation | Sapulpa, OK 74067-0837 | Oil & Gas Operator | Mar 2015 |
| 29208 | Tower Oil & Gas Company Inc | Englewood, CO 80111 | Oil & Gas Operator | May 2001 |
| 29209 | Tower Resources Inc | Conroe, TX 77304 | Oil & Gas Operator | Apr 2026 |
| 29210 | Tower Wanda L Nations | Oklahoma City, OK 73123 | Oil & Gas Operator | Aug 1996 |
| 29211 | Town Of Aurora | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 29212 | Town Of Chautauqua | Mayville, NY 14757 | Gas Operator | Dec 2024 |
| 29213 | Town Of Newstead | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 29214 | Town Of West Seneca | West Seneca, NY 14224 | Gas Operator | Dec 2024 |
| 29215 | Town Oil Co. | Paola, KS 66071 | Oil & Gas Operator | Dec 2025 |
| 29216 | Towne Exploration Company LP | | Oil & Gas Operator | Dec 2025 |
| 29217 | Townes, Don | Clarksville, TX 75426 | Oil & Gas Operator | Apr 2026 |
| 29218 | Townsend Company | Abilene, TX 79608 | Oil & Gas Operator | Dec 2021 |
| 29219 | Townsend Operating Company | | Oil & Gas Operator | Jan 2008 |
| 29220 | Townsend V E | Ada, OK 74820 | Oil & Gas Operator | May 2013 |
| 29221 | Townsend, R. F. Trustee | Dallas, TX 75201 | Oil & Gas Operator | Dec 1994 |
| 29222 | TPC Exploration, LLC | May, TX 76857 | Oil & Gas Operator | Apr 2026 |
| 29223 | TPC Operating Inc. | | Oil & Gas Operator | Dec 2025 |
| 29224 | Tpet Management Inc. | Dallas, TX 75204 | Oil & Gas Operator | Dec 1997 |
| 29225 | Tpet, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Mar 2008 |
| 29226 | TR Crude LLC | Independence, KS 67301 | Oil Operator | Aug 2024 |
| 29227 | TR Offshore, LLC | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Apr 2026 |
| 29228 | TR Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 29229 | Trace Energy Management Inc | Weatherford, TX 76086 | Oil & Gas Operator | Apr 2026 |
| 29230 | Trace Oil & Gas LP | Cement, OK 73017 | Oil & Gas Operator | Dec 2025 |
| 29231 | Trace Operating Co & R Hudson | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2013 |
| 29232 | Trace Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2026 |
| 29233 | Trace Operators, Inc. | | Oil & Gas Operator | Nov 2024 |
| 29234 | Tracer Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Nov 1998 |
| 29235 | Tracer Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 29236 | Trachtenberg Daniel S | Houston, TX 77071 | Oil Operator | Dec 2025 |
| 29237 | Tracker Mineral | Clyde, TX 79510 | Oil & Gas Operator | Apr 2026 |
| 29238 | Tracker Oil & Gas, Inc. | Bastrop, TX 78602 | Oil & Gas Operator | Apr 2026 |
| 29239 | Tracker Resource Dev III, LLC | Englewood, CO 80112 | Oil & Gas Operator | Jul 2021 |
| 29240 | Tracker Resource Development II, LLC | | Oil & Gas Operator | Feb 2011 |
| 29241 | Trackstar Energies LLC | Colorado Springs, CO 80919-3233 | Oil Operator | Mar 2023 |
| 29242 | Tracy & Associates Inc | Ada, OK 74820 | Oil & Gas Operator | Apr 2014 |
| 29243 | Tracy Co. | Rockdale, TX 76567 | Oil & Gas Operator | Mar 2022 |
| 29244 | Tracy Operating Co., LLC | Rockdale, TX 76567 | Oil & Gas Operator | Apr 2026 |
| 29245 | Tracy Production | Lindale, TX 75771 | Oil & Gas Operator | Apr 2026 |
| 29246 | Trade & Development Corp | | Oil & Gas Operator | Nov 1996 |
| 29247 | Tradestar Energy, Inc. | Hot Springs, AR 71913 | Oil Operator | Feb 2021 |
| 29248 | Tradition Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2014 |
| 29249 | Tradition Resources Oper, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2017 |
| 29250 | Trafalgar House Oil & Gas Inc | Houston, TX 77002-7346 | Oil & Gas Operator | Jan 1992 |
| 29251 | Trahan Petroleum Inc | | Oil Operator | Aug 2025 |
| 29252 | Trail Mountain, Inc. | Artesia, NM 88210 | Oil & Gas Operator | Jan 2016 |
| 29253 | Trail Ridge Energy Partners, LLC | Grapevine, TX 76051 | Oil & Gas Operator | Jan 2026 |
| 29254 | Trail Ridge Energy PRTNS II LLC | Grapevine, TX 76051 | Oil & Gas Operator | Jun 2017 |
| 29255 | Trailblazer Energy LLC | Plano, TX 75075 | Oil & Gas Operator | Jan 2026 |
| 29256 | Trailblazer Energy Resources, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2026 |
| 29257 | Trailblazer Oil & Gas LLC | Goliad, TX 77963 | Oil & Gas Operator | Apr 2026 |
| 29258 | Trailhead Exploration, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 2026 |
| 29259 | Traillour Oil Co. | | Oil & Gas Operator | Mar 1990 |
| 29260 | Trans Atlantic Ener Corp | Caldwell, OH 43724 | Oil & Gas Operator | Dec 1993 |
| 29261 | Trans Atlantic Resource Corp | Tulsa, OK 74136-5709 | Oil & Gas Operator | Nov 1998 |
| 29262 | Trans Energy, Inc. | St. Marys, WV 26170 | Oil & Gas Operator | Dec 2017 |
| 29263 | Trans Ocean Oil, Inc. | | Oil & Gas Operator | Sep 1980 |
| 29264 | Trans Pacific Oi | | Oil & Gas Operator | May 1995 |
| 29265 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jan 2026 |
| 29266 | Trans Resource D | | Oil Operator | May 1991 |
| 29267 | Trans Terra Corp., International | Amarillo, TX 79159 | Oil & Gas Operator | Feb 2009 |
| 29268 | Trans Texas Minerals Company | Austin, TX 78714 | Oil & Gas Operator | Aug 1999 |
| 29269 | Trans-Gulf Petroleum Corp | | Oil & Gas Operator | Sep 1999 |
| 29270 | Trans-Pacific Oil & Gas Inc. | | Oil & Gas Operator | Mar 1982 |
| 29271 | Trans-Pecos Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 29272 | Trans-Sabine Pipeline Corp | | Oil Operator | Mar 2009 |
| 29273 | Trans-Tex Operating LLC | Dallas, TX 75367 | Oil & Gas Operator | Apr 2026 |
| 29274 | Trans-Texas Energy Group LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Jul 2015 |
| 29275 | Trans-Western Exploration Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 1993 |
| 29276 | Trans-Western Operating Company | Golden, CO 80402 | Oil Operator | Nov 2025 |
| 29277 | Transamer Petro Corp | Pittsburgh, PA 15222-3510 | Gas Operator | Dec 1985 |
| 29278 | Transamerica Energy Corp. | Atlanta, GA 30356 | Oil & Gas Operator | Apr 2026 |
| 29279 | Transamerica Oil | | Oil & Gas Operator | Sep 1992 |
| 29280 | Transamerica Oil Corporation | Hutchinson, KS 67504 | Gas Operator | Mar 2025 |
| 29281 | Transamerican Energy/Toce Oil | | Oil & Gas Operator | Dec 1994 |
| 29282 | Transamerican Natural Gas Corp. | Houston, TX 77032 | Oil & Gas Operator | Aug 2000 |
| 29283 | Transamerican-Swepi-Toce Oil | | Oil & Gas Operator | Apr 1990 |
| 29284 | Transatlantic Expl LTD Dba Ravenna Oil | Beattyville, KY 41311 | Oil Operator | Dec 2023 |
| 29285 | Transatlantic Petr (USA) Corp. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2026 |
| 29286 | Transco Exploration Company | | Oil & Gas Operator | Jul 1989 |
| 29287 | Transco Oil & Gas Inc. | | Gas Operator | Dec 1992 |
| 29288 | Transcoastal Operating LLC | Dallas, TX 75252-5646 | Oil & Gas Operator | Mar 2015 |
| 29289 | Transcontinental Company | Haltom City, TX 76148-4122 | Oil & Gas Operator | Dec 2025 |
| 29290 | Transcontinental Gas P/L Corp. | | Oil & Gas Operator | Dec 2009 |
| 29291 | Transcontinental Gas Pipeline Co LLC | | Oil Operator | Jan 2025 |
| 29292 | Transcontinental Minerals Corp. | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2008 |
| 29293 | Transcontinental Oil & Gas Inc | Aurora, OH 44202 | Oil & Gas Operator | Dec 2025 |
| 29294 | Transcontinental Oil Corp. | | Oil & Gas Operator | Sep 1985 |
| 29295 | Transcontinental Shale L.L.C. | Austin, TX 78717 | Oil & Gas Operator | Feb 2016 |
| 29296 | Transfuel Resources Co | Houston, TX 77215 | Oil & Gas Operator | Aug 2013 |
| 29297 | Transglobe Oil & Gas Corporation | Littleton, CO 801222710 | Oil & Gas Operator | Dec 1999 |
| 29298 | Transhorizon Energy Inc | Cheyenne, WY 82003 | Oil & Gas Operator | Jul 2023 |
| 29299 | Transit Energy Inc | North Lawrence, OH 44666 | Oil & Gas Operator | Dec 2025 |
| 29300 | Transoil, Inc. | Oklahoma City, OK 73129 | Oil & Gas Operator | Apr 2026 |