| 29201 | Tredegar Properties, Inc. | | Oil Operator | Jun 1990 |
| 29202 | Tree Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | May 2026 |
| 29203 | Trees Oil Compan | | Oil Operator | Jan 1995 |
| 29204 | Trejim Operators, LLC | Pampa, TX 79065 | Oil & Gas Operator | May 2026 |
| 29205 | Trek Aec, LLC | Wichita, KS 67202 | Oil & Gas Operator | Jan 2026 |
| 29206 | Trek Exploration, Inc. | Pampa, TX 79065 | Oil & Gas Operator | May 2026 |
| 29207 | Trek Oil & Gas, Inc | Houston, TX 77002 | Oil Operator | Mar 1998 |
| 29208 | Trek Operating, LLC | Tulsa, OK 741520098 | Oil & Gas Operator | Mar 2021 |
| 29209 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | May 2026 |
| 29210 | Tremo Corporation | Toronto, KS 66777 | Oil Operator | May 1998 |
| 29211 | Tren Energy LLC | El Paso, TX 79912 | Oil & Gas Operator | May 2026 |
| 29212 | Trenchco Inc | Shawnee, OK 74802-3577 | Oil & Gas Operator | Apr 2015 |
| 29213 | Trend Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 29214 | Trend Exploration I LLC | Midland, TX 79701 | Oil & Gas Operator | May 2011 |
| 29215 | Trend Gas & Oil Inc | Jenks, OK 74037 | Oil & Gas Operator | Dec 2000 |
| 29216 | Trend Oil Co | Petaluma, CA 94954 | Oil & Gas Operator | Feb 2017 |
| 29217 | Trendsetter Production Co, Inc | | Oil & Gas Operator | Jul 2008 |
| 29218 | Trendwell Energy Corporation | | Oil & Gas Operator | Nov 2025 |
| 29219 | Trenmor Gas & Oil Co LLC | Frazeysburg, OH 43822 | Oil Operator | Dec 2023 |
| 29220 | Trenna Oil Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2013 |
| 29221 | Trenon Oil & Gas Inc | Oklahoma City, OK 73112-4279 | Oil & Gas Operator | Sep 1996 |
| 29222 | Trepco Production Company Inc | Yukon, OK 73099 | Oil & Gas Operator | Feb 2026 |
| 29223 | Trepel Petroleum Exploration & | | Oil & Gas Operator | Apr 2014 |
| 29224 | Tres Azores Oil & Gas, Inc. | Fort Worth, TX 76185 | Oil & Gas Operator | Aug 2003 |
| 29225 | Tres Operating Co., LLC | Katy, TX 77494 | Oil Operator | May 2026 |
| 29226 | Tres Piedras, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1999 |
| 29227 | Tres Roughneckas WTX LLC | MC Camey, TX 79752 | Oil Operator | May 2026 |
| 29228 | Tresami, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | May 2026 |
| 29229 | Tresco Energy LLC | Enid, OK 73703-3002 | Oil & Gas Operator | Mar 2026 |
| 29230 | Tresor Petroleum | | Oil & Gas Operator | Sep 1987 |
| 29231 | Tressler John R & IVa M | | Oil Operator | Apr 1989 |
| 29232 | Trestle Creek Properties, LLC | Manchaca, TX 78652 | Oil & Gas Operator | May 2026 |
| 29233 | Trey Exploration, Inc. | San Angelo, TX 76901 | Oil & Gas Operator | Dec 2019 |
| 29234 | Trey Operating Company | MC Camey, TX 79752 | Oil Operator | Jan 2016 |
| 29235 | Trey Resources Inc. | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 29236 | Trey Services, Inc. | Midland, TX 79711 | Oil & Gas Operator | Dec 1996 |
| 29237 | Tri "M" Oil & Gas | Muenster, TX 76252 | Oil & Gas Operator | May 2026 |
| 29238 | Tri City Oil Co., LLC | Winnie, TX 77665 | Oil Operator | May 2026 |
| 29239 | Tri Energy Resources, Inc. | Norman, OK 73070 | Oil Operator | May 2026 |
| 29240 | Tri Family Oil Co | | Oil Operator | Dec 2024 |
| 29241 | Tri Investment Company | | Oil Operator | Mar 1980 |
| 29242 | Tri Production Inc | Healdton, OK 73438 | Oil & Gas Operator | Feb 2026 |
| 29243 | Tri Sportsmen Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | May 2026 |
| 29244 | Tri Star Operating, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Jan 2002 |
| 29245 | Tri United, Inc | Hays, KS 67601 | Oil Operator | Jan 2026 |
| 29246 | Tri-Am Operating Company | Frankston, TX 75763 | Oil & Gas Operator | May 2026 |
| 29247 | Tri-C Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Aug 2009 |
| 29248 | Tri-C Resources, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2026 |
| 29249 | Tri-City Drilling Joint Venture | Belpre, OH 45714 | Oil & Gas Operator | Dec 2024 |
| 29250 | Tri-City Energy Inc | Wilson, OK 73463-0196 | Oil Operator | Mar 2014 |
| 29251 | Tri-County Oil & Gas, Inc. | Fairmont, WV 26555-0000 | Oil & Gas Operator | Dec 2019 |
| 29252 | Tri-Dyne Resources, Inc. | Southern Pine, NC 28387 | Oil & Gas Operator | Feb 2000 |
| 29253 | Tri-Ex Corporation | | Oil & Gas Operator | Jan 1985 |
| 29254 | Tri-Ex Petroleum, L.P. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2013 |
| 29255 | Tri-Force Operating, L.L.C. | Royse City, TX 75189 | Oil & Gas Operator | May 2026 |
| 29256 | Tri-J Tubulars, Inc. | Wichita, KS 67202 | Oil Operator | Aug 1996 |
| 29257 | Tri-K Production Company, Inc. | Olney, TX 76374 | Oil & Gas Operator | Apr 1996 |
| 29258 | Tri-L Oil Co. | | Oil Operator | Sep 2015 |
| 29259 | Tri-Par Exploration, Inc. | | Oil Operator | Oct 2001 |
| 29260 | Tri-Production Company | | Oil Operator | Apr 1994 |
| 29261 | Tri-Quest Resources | | Oil & Gas Operator | Feb 1995 |
| 29262 | Tri-State Exploration & Prod Inc | Marshall, TX 75671 | Oil & Gas Operator | Aug 2003 |
| 29263 | Tri-State Pipeline Service Inc | Ninnekah, OK 73067-0189 | Oil & Gas Operator | Mar 2011 |
| 29264 | Tri-State Resources, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Sep 2012 |
| 29265 | Tri-State Sales & Production | Rodessa, LA 71069 | Oil & Gas Operator | Dec 2008 |
| 29266 | Tri-Tex Exploration LTD | Abilene, TX 79608 | Oil Operator | Apr 2019 |
| 29267 | Tri-Union Development Corp. | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 29268 | Tri-Unity Inc | Sand Springs, OK 74063-4401 | Oil & Gas Operator | Jun 2009 |
| 29269 | Tri-Valley Oil & Gas Co. | | Oil & Gas Operator | Dec 2025 |
| 29270 | Tri-W Oil | Luling, TX 78648 | Oil Operator | May 2026 |
| 29271 | Tri-W Oil, Inc. | Luling, TX 78648 | Oil Operator | Apr 2007 |
| 29272 | Triad Energy Corp Of Texas | Houston, TX 77057-2696 | Oil & Gas Operator | Sep 2014 |
| 29273 | Triad Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Oct 2011 |
| 29274 | Triad Energy, Inc. | Oklahoma City, OK 73105-1401 | Oil & Gas Operator | Mar 2026 |
| 29275 | Triad Hunter, LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2021 |
| 29276 | Triad O&G, LLC | Dallas, TX 75225 | Oil & Gas Operator | May 2026 |
| 29277 | Triad Oil & Gas Co Inc | | Oil & Gas Operator | Jun 1994 |
| 29278 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 29279 | Triag Energy Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 29280 | Triana Energy LLC | Charleston, WV 25301-2815 | Gas Operator | Nov 2018 |
| 29281 | Triangle Development Co | Mahtomedi, MN 55115 | Gas Operator | Feb 1982 |
| 29282 | Triangle Energy Co. | Pampa, TX 79066 | Oil & Gas Operator | Nov 2000 |
| 29283 | Triangle Interprises Inc | Justin, TX 76247-0598 | Oil & Gas Operator | Jun 2015 |
| 29284 | Triangle J Oil Company | | Oil & Gas Operator | Mar 2007 |
| 29285 | Triangle Oil & G G Cornwell | | Oil & Gas Operator | Nov 1981 |
| 29286 | Triangle Oil Of Hosston | | Oil Operator | Jul 2014 |
| 29287 | Triangle Oil Producers Inc | | Oil & Gas Operator | Jun 1998 |
| 29288 | Triangle Operating Co., Inc. | | Gas Operator | Jan 2000 |
| 29289 | Triangle P Development Corp. | Bronte, TX 76933 | Oil & Gas Operator | May 2026 |
| 29290 | Triangle Three Resources L.L.C. | Dallas, TX 75240 | Oil & Gas Operator | May 2026 |
| 29291 | Triangle USA Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 2021 |
| 29292 | Triax Energy LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2018 |
| 29293 | Tribal Oil Company | | Oil & Gas Operator | Dec 1981 |
| 29294 | Tribar Resources LLC | | Oil & Gas Operator | Mar 2026 |
| 29295 | Tribune Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 29296 | Tricentrol Resources Inc | Englewood, CO 80111 | Oil & Gas Operator | Jun 1984 |
| 29297 | Trich Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Jan 2025 |
| 29298 | Trichel Contracting Company | | Oil & Gas Operator | Sep 1987 |
| 29299 | Trickle Down Oil, Inc. | | Oil & Gas Operator | Feb 2016 |
| 29300 | Trico Energy Corporation | | Oil Operator | May 1984 |