| 28101 | Tahoe Corporation | | Gas Operator | Feb 2023 |
| 28102 | Tahoe Energy, Inc. | Midland, TX 79703 | Oil & Gas Operator | Jul 1996 |
| 28103 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 28104 | Tai Inc Dba Trendwell Antrim Inc | | Gas Operator | Sep 2025 |
| 28105 | Tailwater, Inc. | Oklahoma City, OK 73154 | Oil Operator | Aug 2024 |
| 28106 | Takacs, Ray W. | North Huntington, PA 15642 | Gas Operator | Dec 2024 |
| 28107 | Tal-Con, Inc. | Houston, TX 77279 | Oil & Gas Operator | Apr 2026 |
| 28108 | Tala Energy LLC | College Sta, TX 77842 | Oil & Gas Operator | Apr 2026 |
| 28109 | Talaria Oil & Gas LLC | Denver, CO 80203 | Oil Operator | Apr 2026 |
| 28110 | Talbert, Eugene Operating Co,Inc | Tyler, TX 75702 | Oil & Gas Operator | Dec 1997 |
| 28111 | Talbott Oil & Gas Co | Tuppers Plains, OH 45783 | Oil & Gas Operator | Dec 2000 |
| 28112 | Talbott, Stan C. | Midland, TX 79701 | Oil & Gas Operator | Feb 2005 |
| 28113 | Talbott, WM G | Albany, KY 42602 | Oil Operator | Dec 2022 |
| 28114 | Talco Midstream Assets, LTD. | | Oil Operator | May 2017 |
| 28115 | Taleeho Energy Co. | Normangee, TX 77871 | Oil & Gas Operator | Jun 2003 |
| 28116 | Talis Energy Inc. | Austin, TX 78731 | Oil & Gas Operator | Apr 2026 |
| 28117 | Talisman Energy USA Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | May 2016 |
| 28118 | Talisman Resources, Inc. | Argyle, TX 76226 | Oil & Gas Operator | Mar 1995 |
| 28119 | Tall City Operations III LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2023 |
| 28120 | Tall City Operations LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2016 |
| 28121 | Tall Dune Resources, LLC | Boerne, TX 78006 | Oil & Gas Operator | Apr 2026 |
| 28122 | Tallent, Edwin Miller | Albany, KY 42602 | Oil Operator | Dec 2023 |
| 28123 | Talley Resources | | Oil Operator | Jun 1994 |
| 28124 | Talley Resources, Inc. | Houma, LA 70360 | Oil & Gas Operator | Apr 1993 |
| 28125 | Talley, Don R. | Holliday, TX 76366 | Oil & Gas Operator | Jun 2002 |
| 28126 | Talley, W.T. | Olney, TX 76374 | Oil & Gas Operator | May 2005 |
| 28127 | Tallgrass Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2026 |
| 28128 | Tallgrass Explor | | Oil Operator | Sep 1987 |
| 28129 | Tallgrass Petroleum Corporation | | Oil & Gas Operator | Feb 2012 |
| 28130 | Tallgrass Production Company LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Mar 2014 |
| 28131 | Tallman Industries Inc | | Oil Operator | Aug 2025 |
| 28132 | Tallman Trust Co | | Oil Operator | Aug 2025 |
| 28133 | Talon Development Company | Boerne, TX 78006 | Oil & Gas Operator | Sep 2007 |
| 28134 | Talon Group LLC | Hays, KS 67601 | Oil Operator | Dec 2025 |
| 28135 | Talon Oil & Gas LLC | Dallas, TX 75243 | Oil & Gas Operator | Dec 2010 |
| 28136 | Talon Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2026 |
| 28137 | Talos Energy Offshore LLC | | Oil & Gas Operator | Jan 2025 |
| 28138 | Talos Ert LLC | | Oil & Gas Operator | Jan 2025 |
| 28139 | Talos Gulf Coast Onshore LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 28140 | Talos Third Coast LLC | | Oil & Gas Operator | Dec 2024 |
| 28141 | Talus Inc | Graham, TX 76450-1210 | Oil & Gas Operator | Feb 2017 |
| 28142 | Tam2 Squared Energy Services,LLC | Rockwall, TX 75032 | Oil Operator | Apr 2026 |
| 28143 | Tam2 Squared Operating, LLC | Rockwall, TX 75032 | Oil & Gas Operator | Apr 2026 |
| 28144 | Tamarack Energy Inc | Midland, TX 79701 | Oil & Gas Operator | Dec 2015 |
| 28145 | Tamarack Pet Co, Inc | | Oil Operator | Dec 2020 |
| 28146 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 28147 | Tamaroa Operating, LLC | Plano, TX 750866937 | Oil & Gas Operator | Dec 2025 |
| 28148 | Tamarron Resources, Inc. | Azle, TX 76020 | Oil & Gas Operator | Apr 2026 |
| 28149 | Tamer Oil & Gas | Seminole, TX 79360 | Oil & Gas Operator | Apr 2026 |
| 28150 | Tammany Oil & Gas LLC | | Oil & Gas Operator | Feb 2005 |
| 28151 | Tamoil | | Oil Operator | May 2017 |
| 28152 | Tampke Service Co. | Devine, TX 78016 | Oil Operator | Apr 2026 |
| 28153 | Tamworth Resources LLC | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2025 |
| 28154 | Tana Exploration Company LLC | Dallas, TX 75219 | Oil & Gas Operator | Aug 2021 |
| 28155 | Tana Oil And Gas Corporation | Irving, TX 75062 | Oil & Gas Operator | Mar 2000 |
| 28156 | Tandem Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 28157 | Tandem Oil Inc | Oklahoma City, OK 73139 | Oil & Gas Operator | Oct 1998 |
| 28158 | Tanglehead Operating, LLC | La Vernia, TX 78121 | Oil Operator | Apr 2026 |
| 28159 | Tanglewood Expl LLC | Fort Worth, TX 76102-4665 | Gas Operator | Jun 2011 |
| 28160 | Tanglewood Oil & Gas Co. | Gouldbusk, TX 76845 | Oil & Gas Operator | Apr 2026 |
| 28161 | Tanglewood Oil & Gas LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2017 |
| 28162 | Tank Truck'S Inc | Sapulpa, OK 74066 | Oil Operator | Feb 2026 |
| 28163 | Tankersley, D. C. | Abilene, TX 79601 | Oil & Gas Operator | Sep 2002 |
| 28164 | Tannehill Oil Company | | Oil & Gas Operator | Dec 1991 |
| 28165 | Tanner Oil, Inc | | Oil & Gas Operator | Nov 2024 |
| 28166 | Tanner, M.B. | Moline, KS 67353 | Oil Operator | Apr 1986 |
| 28167 | Tanos Exploration II, LLC | Tyler, TX 75701 | Oil & Gas Operator | Sep 2023 |
| 28168 | Tanos Exploration IV, LLC | Tyler, TX 75703 | Oil & Gas Operator | Apr 2026 |
| 28169 | Tanos Exploration, LLC | Houston, TX 77010 | Oil & Gas Operator | Oct 2018 |
| 28170 | Tanos Production, Inc. | Houston, TX 77077 | Oil & Gas Operator | Aug 2003 |
| 28171 | Tansky J/Tansky Oil Prod | Logan, OH 43138 | Oil & Gas Operator | Dec 1997 |
| 28172 | Taos Resources Operating Co LLC | Houston, TX 77037 | Oil & Gas Operator | Dec 2019 |
| 28173 | Tap Management Inc | Austin, TX 78757 | Oil & Gas Operator | Jan 2023 |
| 28174 | Tap Operating Company, Inc. | Mexia, TX 76667 | Oil & Gas Operator | May 1995 |
| 28175 | Tap Petroleum Inc | Cleveland, OK 74020-0054 | Oil & Gas Operator | Apr 2020 |
| 28176 | Tap Rock Operating, LLC | Denver, CO 80203 | Oil & Gas Operator | Apr 2026 |
| 28177 | Tapo Energy, LLC | West Union, WV 26456 | Oil & Gas Operator | Dec 2021 |
| 28178 | Tapoil Inc | Elmore City, OK 73433-9077 | Oil & Gas Operator | Jul 2021 |
| 28179 | Tapp, Deborah Trust | Madisonville, KY 42431 | Oil Operator | Dec 2019 |
| 28180 | Tapstone Energy LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jan 2026 |
| 28181 | Taqa USA, Inc. | Centennial, CO 80111 | Oil & Gas Operator | Jul 2020 |
| 28182 | Tara Company, The | Wichita Falls, TX 76301 | Oil Operator | Sep 2003 |
| 28183 | Tara Oil Company | | Oil Operator | Dec 1981 |
| 28184 | Tara Operating Co. | Lamesa, TX 79331 | Oil & Gas Operator | Aug 2003 |
| 28185 | Tarco Energy, LC | Lubbock, TX 79423 | Oil & Gas Operator | Dec 2025 |
| 28186 | Tare Resources, LLC | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Apr 2026 |
| 28187 | Targa Development, Inc. | Clarksburg, WV 26301-0000 | Oil & Gas Operator | Dec 2021 |
| 28188 | Targa Midstream Services LLC | Houston, TX 77002 | Oil Operator | Mar 2023 |
| 28189 | Targa Pipeline Mid-Continent LLC | Sulphur, LA 70665 | Oil & Gas Operator | Jun 2018 |
| 28190 | Targa Pipeline Mid-Continent Westok LLC | Sulphur, LA 70665 | Gas Operator | Dec 2025 |
| 28191 | Targe Energy Exploration And Production, LLC | Denver, CO 80202 | Gas Operator | Oct 2013 |
| 28192 | Target Drilling | | Oil & Gas Operator | Feb 2018 |
| 28193 | Target Energy Inc | Indiana, PA 15701-1135 | Oil & Gas Operator | Dec 2013 |
| 28194 | Target Engery Corp | Brecksville, OH 44141 | Oil & Gas Operator | Dec 1992 |
| 28195 | Target Oil & Gas Corp | | Oil & Gas Operator | Dec 2013 |
| 28196 | Target Oil & Gas, Inc. | | Oil & Gas Operator | Nov 2011 |
| 28197 | Target Oil Company | | Oil & Gas Operator | Mar 2007 |
| 28198 | Targo Oil & Gas, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 28199 | Tarka Energy LLC | Houston, TX 77056-1940 | Oil & Gas Operator | Mar 2022 |
| 28200 | Tarpon Oil & Gas Co. | Fort Worth, TX 76147 | Oil & Gas Operator | Apr 2026 |