| 29201 | Terrol Energy Incorporated | Hygiene, CO 80533 | Oil & Gas Operator | Dec 2006 |
| 29202 | Terronne Petroleum Corporation | | Oil & Gas Operator | Nov 2024 |
| 29203 | Terry D Coan | Youngsville, PA 16371-3608 | Oil & Gas Operator | Dec 2021 |
| 29204 | Terry Development, Inc. | | Oil & Gas Operator | Aug 1992 |
| 29205 | Terry Enterprises, Inc. | West Columbia, TX 77486 | Oil & Gas Operator | Dec 2025 |
| 29206 | Terry Jack | Konawa, OK 74849-0337 | Oil Operator | Feb 2012 |
| 29207 | Terry John Trust | Aurora, CO 80012-5112 | Oil & Gas Operator | May 2016 |
| 29208 | Terry Oil Company LLC | | Oil Operator | Dec 2024 |
| 29209 | Terry Pate | Hobbs, NM 88240 | Oil & Gas Operator | Jun 2006 |
| 29210 | Terry Petroleum Company | Houston, TX 77270 | Oil & Gas Operator | Dec 1997 |
| 29211 | Terry Production Co | Stroud, OK 74079-0475 | Oil & Gas Operator | Aug 2008 |
| 29212 | Terry Sims & Associates, Inc. | | Oil Operator | Sep 2009 |
| 29213 | Terry'S Roustabout Service, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Oct 2002 |
| 29214 | Terry, Lewis D. | Olney, TX 76374 | Oil & Gas Operator | Sep 1995 |
| 29215 | Terry, R. K. | West Columbia, TX 77486 | Oil & Gas Operator | Dec 2025 |
| 29216 | Tervita, LLC | | Oil Operator | May 2021 |
| 29217 | Terzan Energy II LLC | Chandler, OK 74834 | Oil & Gas Operator | Oct 2025 |
| 29218 | Tesla Resources, Inc. | | Oil & Gas Operator | Aug 1996 |
| 29219 | Tesoro E&P Company, L.P. | San Antonio, TX 78216 | Oil & Gas Operator | Jan 2000 |
| 29220 | Tesoro Expl. & Prod. Company | San Antonio, TX 78216 | Gas Operator | Sep 2010 |
| 29221 | Tesoro Petroleum | | Oil Operator | Mar 1982 |
| 29222 | Tesoro Petroleum Corporation | | Oil & Gas Operator | May 1982 |
| 29223 | Tess Oil Company | Borger, TX 79008 | Oil & Gas Operator | Mar 2008 |
| 29224 | Tessara Petroleum Resources, LLC | Houston, TX 77086 | Oil & Gas Operator | Apr 2020 |
| 29225 | Tessera Energy LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Oct 2025 |
| 29226 | Testco Production Company | Watonga, OK 73772-0589 | Oil & Gas Operator | Aug 2013 |
| 29227 | Tesuque Oil & Gas LLC | Rockdale, TX 76567 | Oil Operator | Dec 2025 |
| 29228 | Tet Energy | | Oil Operator | Jun 2025 |
| 29229 | Teton Energy Co Inc | Denver, CO 80239 | Oil Operator | Dec 1983 |
| 29230 | Teton Petroleum Corporation | Kerrville, TX 78028 | Oil & Gas Operator | Dec 2025 |
| 29231 | Tetra Oil Company | | Oil & Gas Operator | Oct 2025 |
| 29232 | Tetragon Investments, LLC | Abilene, TX 79604 | Oil Operator | Jul 2014 |
| 29233 | Tettleton, Jon Otis | Nocona, TX 76255 | Oil & Gas Operator | Aug 2003 |
| 29234 | Tettleton, Steven B. | Nocona, TX 76255 | Oil Operator | Dec 2025 |
| 29235 | Tevebaugh MGMT Co | Baden, PA 15005-0123 | Oil & Gas Operator | Dec 2002 |
| 29236 | Tex-Am Petroleum Corp. | Eastland, TX 76448 | Oil & Gas Operator | Dec 2025 |
| 29237 | Tex-Am-Energy Inc. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2008 |
| 29238 | Tex-Ann Oil & Gas Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 2025 |
| 29239 | Tex-Atic Resources, Inc. | S. Lake Tahoe, CA 96150 | Oil & Gas Operator | Dec 2025 |
| 29240 | Tex-Con-Brehm-Basin Expl. | | Oil & Gas Operator | May 1990 |
| 29241 | Tex-Hio Energy | Terrell, TX 75156 | Oil & Gas Operator | Dec 1997 |
| 29242 | Tex-Lee Operating Company | Giddings, TX 78942 | Oil & Gas Operator | Dec 2025 |
| 29243 | Tex-Oak, Inc. | Oklahoma City, OK 73155 | Oil & Gas Operator | Dec 1995 |
| 29244 | Tex-Ok Energy, Limited Partnership | Cody, WY 82414 | Oil & Gas Operator | Oct 2025 |
| 29245 | Tex-Ok Energy, LTD Partnership | Cody, WY 82414 | Oil & Gas Operator | Dec 2025 |
| 29246 | Tex-R Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Feb 2021 |
| 29247 | Tex-Star Production | Dallas, TX 75206 | Oil & Gas Operator | Oct 2025 |
| 29248 | Tex-Well Oil & Gas Corp. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 29249 | Tex/Con Oil & Gas Company | Houston, TX 77074 | Oil & Gas Operator | Feb 2001 |
| 29250 | Texacal, Inc. | Newport Beach, CA 92660 | Oil & Gas Operator | Dec 2025 |
| 29251 | Texaco E & P Inc. | Houston, TX 77099 | Oil & Gas Operator | Dec 2025 |
| 29252 | Texaco Explorati | | Oil & Gas Operator | Dec 1996 |
| 29253 | Texaco Exploration & Prod | Midland, TX 79702 | Oil & Gas Operator | Aug 2002 |
| 29254 | Texaco Exploration & Prod Inc | Houston, TX 77236 | Oil & Gas Operator | Jun 2025 |
| 29255 | Texaco Exploration & Production Inc N W | Farmington, NM 87401 | Oil & Gas Operator | Aug 1995 |
| 29256 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 29257 | Texaco Inc & A.C. Glassell Jr | | Oil & Gas Operator | Aug 1980 |
| 29258 | Texaco Oils Inc | Tulsa, OK 74102-2420 | Oil & Gas Operator | Jan 2003 |
| 29259 | Texaco Producing Inc. | Rock Springs, WY 82901 | Oil & Gas Operator | Dec 2000 |
| 29260 | Texaco Seaboard, Inc. | | Gas Operator | Sep 1980 |
| 29261 | Texaco USA - Mor | | Oil Operator | Aug 1988 |
| 29262 | Texada Resources, Inc. | | Oil & Gas Operator | Dec 1992 |
| 29263 | Texakoma E & P, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2025 |
| 29264 | Texakoma Exploration & Production LLC | Plano, TX 75024 | Oil & Gas Operator | May 2025 |
| 29265 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 29266 | Texakoma Operating, L.P. | Plano, TX 75024 | Oil & Gas Operator | Mar 2025 |
| 29267 | Texakoma Opr LP | Plano, TX 75024-6679 | Oil & Gas Operator | Dec 2012 |
| 29268 | Texakota | | Oil & Gas Operator | Mar 1995 |
| 29269 | Texakota, Inc. | Houston, TX 77098 | Oil & Gas Operator | Mar 2021 |
| 29270 | Texalta Oil And Gas Inc. | | Gas Operator | Dec 1990 |
| 29271 | Texan Petroleum Corporation | Dallas, TX 75204 | Oil & Gas Operator | Oct 2004 |
| 29272 | Texan Production | Pearsall, TX 78061 | Oil & Gas Operator | Aug 2003 |
| 29273 | Texan Production Company, Inc. | Canyon Lake, TX 78133 | Oil & Gas Operator | Dec 2025 |
| 29274 | Texana Operating Company | Houston, TX 77090 | Oil & Gas Operator | Dec 2025 |
| 29275 | Texas American Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2001 |
| 29276 | Texas American Resources Company | Austin, TX 78701 | Oil & Gas Operator | Dec 2025 |
| 29277 | Texas City Refining, Inc. | | Oil & Gas Operator | Nov 1988 |
| 29278 | Texas Coastal Resources LLC | Fairhope, AL 36532 | Oil Operator | Dec 2025 |
| 29279 | Texas Concho Operating Co. | Eldorado, TX 76936 | Oil & Gas Operator | Mar 1999 |
| 29280 | Texas Consolidated Pet. Corp. | Fort Worth, TX 76109 | Oil & Gas Operator | Dec 2025 |
| 29281 | Texas Crude & Dale Gas Expl | | Oil & Gas Operator | Dec 1984 |
| 29282 | Texas Crude Energy, Inc. | Houston, TX 77256 | Oil & Gas Operator | Oct 2012 |
| 29283 | Texas Crude Exploration Inc | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 1992 |
| 29284 | Texas Crude Oil Co. | | Oil & Gas Operator | Dec 1984 |
| 29285 | Texas Crude Oil Co. Et Al | | Oil & Gas Operator | May 1992 |
| 29286 | Texas Crude Oil, Inc. | | Oil & Gas Operator | Dec 1984 |
| 29287 | Texas Crude Operator, Inc. | Houston, TX 77098 | Oil & Gas Operator | Aug 2017 |
| 29288 | Texas Crude, Inc. | Houston, TX 77256 | Oil & Gas Operator | Oct 1995 |
| 29289 | Texas Crude-Rebstock & Reeves | | Oil & Gas Operator | Feb 1980 |
| 29290 | Texas Crude-Wainoco-Hilliard | | Oil & Gas Operator | Jul 1978 |
| 29291 | Texas Eastern Skyline Oil | Houston, TX 77252 | Oil & Gas Operator | Jan 1987 |
| 29292 | Texas Eastern Skyline Oil Co. | | Oil & Gas Operator | Jan 1987 |
| 29293 | Texas Eastern Transm. Corp. | | Oil & Gas Operator | Dec 2002 |
| 29294 | Texas Energen Inc. | Austin, TX 78731 | Oil & Gas Operator | Dec 2025 |
| 29295 | Texas Energies I | | Oil & Gas Operator | Aug 1994 |
| 29296 | Texas Energies Inc | Pratt, KS 67124 | Oil & Gas Operator | Aug 1998 |
| 29297 | Texas Energy & Environmental | Houston, TX 77070 | Oil & Gas Operator | Nov 1998 |
| 29298 | Texas Energy & Environmental Inc | Houston, TX 77269 | Oil & Gas Operator | Oct 1998 |
| 29299 | Texas Energy Mutual LLC | Grapevine, TX 76051-8145 | Oil Operator | Jun 2018 |
| 29300 | Texas Energy Operations, LC | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 2025 |