| 11101 | Trinity Minerals&Operating Corp. | Abilene, TX 79605 | Oil & Gas Operator | Dec 1995 |
| 11102 | Trinity Oil And Gas Production, LLC | Kilgore, TX 75663 | Oil Operator | Apr 2024 |
| 11103 | Trinity Operating & Prod., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 11104 | Trinity Operating (Usg), LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 11105 | Trinity Resources, Inc. | Houston, TX 77277 | Oil & Gas Operator | May 2020 |
| 11106 | Trinity River Energy Oper, LLC | Houston, TX 77008 | Oil & Gas Operator | May 2018 |
| 11107 | Trinity River Operating Company | Oklahoma City, OK 73147 | Oil & Gas Operator | Apr 2024 |
| 11108 | Trio Consulting & Management,LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 11109 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
| 11110 | Trio Production Company, LLC | Stephens, AR 71764 | Oil Operator | Mar 2024 |
| 11111 | Triple "B" Production DRLG Inc | Poynor, TX 75782 | Oil & Gas Operator | Sep 2022 |
| 11112 | Triple "G" Oil Company | Clyde, TX 79510 | Oil & Gas Operator | Apr 1999 |
| 11113 | Triple "N" Services, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 11114 | Triple "S" Gas, Inc. | Dallas, TX 75355 | Oil & Gas Operator | Apr 2024 |
| 11115 | Triple "S" Resources Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Jun 1995 |
| 11116 | Triple "W" Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 11117 | Triple 'A' Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Apr 2024 |
| 11118 | Triple C Oil Inc. | Lockhart, TX 78644 | Oil Operator | Aug 2019 |
| 11119 | Triple Crown Resources, LLC | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
| 11120 | Triple D Oil & Gas Co., Inc. | Brownwood, TX 76801 | Oil & Gas Operator | Apr 2024 |
| 11121 | Triple G Oil & Gas | Sonora, TX 76950 | Oil & Gas Operator | Oct 2022 |
| 11122 | Triple G Well Service, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Apr 2024 |
| 11123 | Triple H Production | Stockdale, TX 78160 | Oil Operator | Apr 2024 |
| 11124 | Triple J Investments Inc | Longview, TX 75606 | Oil & Gas Operator | Feb 2023 |
| 11125 | Triple J Oil Co. | Pampa, TX 79065 | Oil & Gas Operator | Aug 1996 |
| 11126 | Triple L Oil Company | Corpus Chrsti, TX 78469 | Oil & Gas Operator | Jan 1998 |
| 11127 | Triple L Operating Company LLC | Gladewater, TX 75647 | Oil Operator | Apr 2024 |
| 11128 | Triple M Saltwater Disposal, LP | Kilgore, TX 75663 | Oil Operator | Apr 2024 |
| 11129 | Triple Singleton, Inc. | Santa Fe, TX 77510 | Oil & Gas Operator | Dec 2020 |
| 11130 | Triple T Resources, LP | Dallas, TX 75205 | Oil & Gas Operator | Dec 2023 |
| 11131 | Tripledee Drilling Co Inc | Ardmore, OK 73402-1888 | Oil & Gas Operator | Dec 2015 |
| 11132 | Tripower Resources LLC | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2024 |
| 11133 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 11134 | Tripp & Sons, LLC | Odessa, TX 79768 | Oil & Gas Operator | Apr 2024 |
| 11135 | Tripp Oil Company Inc | Houston, TX 77023 | Oil & Gas Operator | Jan 1992 |
| 11136 | Tristar Exploration, Inc | Pflugerville, TX 78660 | Oil & Gas Operator | Apr 2024 |
| 11137 | Tristar Oil & Gas | Freer, TX 78357 | Oil & Gas Operator | Apr 2024 |
| 11138 | Tritex Production Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Jan 2013 |
| 11139 | Tritex Resources, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2009 |
| 11140 | Triton Energy LLC | Wortham, TX 76693 | Oil & Gas Operator | Apr 2024 |
| 11141 | Triton Oil & Gas Corp. | Houston, TX 77002 | Oil & Gas Operator | Nov 2014 |
| 11142 | Triton Operating LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Apr 2024 |
| 11143 | Trium, LTD. | Laredo, TX 78041 | Oil Operator | Apr 2024 |
| 11144 | Triumph Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 11145 | Triumph Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Jun 1994 |
| 11146 | Trivestco Energy Company | Ponca City, OK 74601 | Oil & Gas Operator | Feb 2024 |
| 11147 | Trivista Operating LLC | Giddings, TX 78942 | Oil & Gas Operator | Apr 2024 |
| 11148 | Trivium Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
| 11149 | Trojan Oil And Gas | White Deer, TX 79097 | Oil & Gas Operator | Dec 1994 |
| 11150 | Trojan Oil Company, LLC | Big Lake, TX 76932 | Oil Operator | Apr 2024 |
| 11151 | Troubadour Operating, LLC | Houston, TX 77019 | Oil & Gas Operator | Apr 2024 |
| 11152 | Troup Oil & Gas, LLC | Oklahoma City, OK 73112 | Oil Operator | Apr 2024 |
| 11153 | Trousil & Associates, Inc. | Steamboat SPG, CO 80477 | Oil & Gas Operator | Dec 2006 |
| 11154 | Trout Oil Company, Inc. | Odessa, TX 79762 | Oil & Gas Operator | Apr 2024 |
| 11155 | TRP Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
| 11156 | True Oil Company | Casper, WY 82602 | Oil & Gas Operator | Aug 2003 |
| 11157 | True Oil Company LLC | Midland, TX 79701 | Oil & Gas Operator | Mar 2016 |
| 11158 | True Wolf Operating, LLC | Iowa Park, TX 76367 | Oil Operator | Apr 2024 |
| 11159 | Trueblood Resources, Inc. | Denver, CO 80222 | Oil & Gas Operator | Apr 2024 |
| 11160 | Trump Energy | Austin, TX 78734 | Oil & Gas Operator | Mar 2008 |
| 11161 | Trumter Petroleum Corporation | Fort Worth, TX 76185 | Oil & Gas Operator | Aug 1998 |
| 11162 | Trust Oil Co. | Pine, CO 80470 | Oil & Gas Operator | Apr 2024 |
| 11163 | Trustar Operating Company Inc. | Austin, TX 78750 | Oil Operator | Apr 2024 |
| 11164 | Trutex Operating, LLC | Haltom City, TX 76117 | Oil & Gas Operator | Apr 2024 |
| 11165 | Truth Resources LP | Conroe, TX 77304 | Oil Operator | Sep 2021 |
| 11166 | Tryall, Inc | Porter, TX 77365 | Oil & Gas Operator | Apr 2024 |
| 11167 | Tryco Exploration, LLC | Plano, TX 75026 | Oil & Gas Operator | Nov 2006 |
| 11168 | Tryma Operating | Borger, TX 79008 | Oil & Gas Operator | Apr 2024 |
| 11169 | TS & T Drilling, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2016 |
| 11170 | Tsar Energy, LLC | Dallas, TX 75205 | Oil & Gas Operator | Apr 2024 |
| 11171 | Tsar Operating Company | Fort Worth, TX 76116 | Oil & Gas Operator | Jul 2021 |
| 11172 | Tschoepe, Arthur J. | Leakey, TX 78873 | Oil & Gas Operator | Jun 2001 |
| 11173 | TSF Operating | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 11174 | Tsoco | Tuleta, TX 78162 | Oil & Gas Operator | Apr 2017 |
| 11175 | Tsoco & W. M. Null | Pettus, TX 78146 | Oil & Gas Operator | Aug 2002 |
| 11176 | TSW Oil & Gas, LLC | Abilene, TX 79602 | Oil & Gas Operator | Jan 2016 |
| 11177 | TT Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 11178 | TTK Energy LLC | Kilgore, TX 75663 | Oil Operator | Apr 2024 |
| 11179 | TTL Energy Resources, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2013 |
| 11180 | Tuckco Petroleum Corporation | Andrews, TX 79714 | Oil & Gas Operator | Apr 2024 |
| 11181 | Tucker Drilling Company, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Jul 1996 |
| 11182 | Tucker Operating Co., Inc. | Victoria, TX 77903 | Oil & Gas Operator | Apr 2024 |
| 11183 | Tucker Petroleum, Inc. | Corpus Chrsti, TX 78468 | Oil & Gas Operator | Apr 2024 |
| 11184 | Tucker Resources, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2003 |
| 11185 | Tug Hill Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2021 |
| 11186 | Tug Oil & Gas, L.L.C. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2024 |
| 11187 | Tularosa Operating Company | Kerrville, TX 78029 | Oil & Gas Operator | Apr 2024 |
| 11188 | Tuleta Energy Partners, LLC | Norman, OK 73072 | Oil & Gas Operator | Apr 2024 |
| 11189 | Tulsa Minerals Inc | Tulsa, OK 74136-1045 | Oil & Gas Operator | May 2013 |
| 11190 | Tumble Weed Production Co. | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 11191 | Tumbleweed Energy Limited | Midland, TX 79704 | Oil & Gas Operator | Dec 2022 |
| 11192 | Tundra Operating LLC | Spring, TX 77386 | Oil Operator | May 2017 |
| 11193 | Turnbow Drilling Co. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2024 |
| 11194 | Turner Production | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2024 |
| 11195 | Turner, D. Ann Garrett, Est. Of | Big Spring, TX 79721 | Oil & Gas Operator | Jan 1999 |
| 11196 | Turner, Greg | Cross Plains, TX 76443 | Oil & Gas Operator | Apr 2024 |
| 11197 | Turner, M. O. | San Antonio, TX 78278 | Oil & Gas Operator | Apr 2003 |
| 11198 | Turner, Randy | Olney, TX 76374 | Oil & Gas Operator | Jan 2005 |
| 11199 | Turquoise Bay Corporation | Odessa, TX 79760 | Oil & Gas Operator | Dec 2018 |
| 11200 | Turrentine Oil & Gas, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Oct 2019 |