| 11101 | Titan Operating, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2012 |
| 11102 | Titan Resources I, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2000 |
| 11103 | Titan Rock E&P, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2024 |
| 11104 | Titus Oil & Gas Production, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2022 |
| 11105 | Tiza Energy, Inc. | Austin, TX 78715 | Oil & Gas Operator | Dec 2024 |
| 11106 | Tiza Operating Company | Austin, TX 78716 | Oil & Gas Operator | Jan 2000 |
| 11107 | TJ Oil Company | Borger, TX 79008 | Oil & Gas Operator | Dec 2024 |
| 11108 | TK Drilling Corp. | Tulsa, OK 74133 | Oil & Gas Operator | Aug 2024 |
| 11109 | TK Operating | Cross Plains, TX 76443 | Oil & Gas Operator | Dec 2024 |
| 11110 | TKL Oil Properties Inc | Konawa, OK 74849 | Oil & Gas Operator | Jun 2024 |
| 11111 | TKP Petroleum, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Dec 2024 |
| 11112 | TLH Production LLC | Abilene, TX 79602 | Oil & Gas Operator | Dec 2024 |
| 11113 | TMBR/Sharp Drilling, Inc. | Midland, TX 79703 | Oil & Gas Operator | Feb 2004 |
| 11114 | TMR Exploration, Inc. | Bossier City, LA 71171 | Oil & Gas Operator | Dec 2024 |
| 11115 | TNC Energy, LLC | Lubbock, TX 79401 | Oil & Gas Operator | Nov 2016 |
| 11116 | TNCH, LLC | Colorado City, TX 79512 | Oil Operator | Dec 2024 |
| 11117 | TNR Petroleum, Inc. | Austin, TX 78747 | Oil & Gas Operator | Sep 1999 |
| 11118 | TNT Energy Inc. | Brownwood, TX 76801 | Oil & Gas Operator | May 2013 |
| 11119 | TNT Oil Co. | Hamlin, TX 79520 | Oil & Gas Operator | Dec 2024 |
| 11120 | TNT Petroleum Company, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Feb 1996 |
| 11121 | Toc Energy Resources, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2024 |
| 11122 | Todd, J R Oil & Investments, Inc | Dallas, TX 75206 | Oil & Gas Operator | Jun 2002 |
| 11123 | Toklan Oil And Gas Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2024 |
| 11124 | Tola Production Company | Dallas, TX 75367 | Oil & Gas Operator | Dec 2024 |
| 11125 | Tollett Oil | Graham, TX 76450 | Oil Operator | Dec 2024 |
| 11126 | Tom Coble Oil & Gas LP | Amarillo, TX 79105 | Oil & Gas Operator | Dec 2024 |
| 11127 | Tom E. Johnson Exploration LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 11128 | Tom Operating And Minerals LLC | Andrews, TX 79714 | Gas Operator | Dec 2024 |
| 11129 | Tom-Tom Operating, LLC | Dallas, TX 75209 | Oil Operator | Dec 2024 |
| 11130 | Toma Oil & Gas, Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Oct 1997 |
| 11131 | Tomar Petroleum Inc | Dallas, TX 75225 | Oil & Gas Operator | Mar 2001 |
| 11132 | Tomco Oil & Gas Inc. | Comanche, TX 76442 | Oil & Gas Operator | Dec 2024 |
| 11133 | Tomel Production, LLC | Dallas, TX 75360 | Oil & Gas Operator | Dec 2024 |
| 11134 | Tomlinson, John Oil Operator | Batson, TX 77519 | Oil & Gas Operator | Mar 2008 |
| 11135 | Tomlinson, Thomas K. Inc. | Port Lavaca, TX 77979 | Oil & Gas Operator | Jul 2003 |
| 11136 | Tompkins, Kevin D. | Kilgore, TX 75663 | Oil Operator | Dec 2024 |
| 11137 | Tomsha LLC | Bryson, TX 76427 | Oil Operator | Dec 2024 |
| 11138 | Toney, W.L. | Borger, TX 79007 | Oil & Gas Operator | Oct 2012 |
| 11139 | Tong Petrotech Inc. | Houston, TX 77079 | Oil & Gas Operator | Dec 2024 |
| 11140 | Tonk Creek Oil Company | Aspermont, TX 79502 | Oil & Gas Operator | Dec 2024 |
| 11141 | Tonto Petroleum Corporation | Post, TX 79356 | Oil & Gas Operator | Jan 2007 |
| 11142 | Toomey Oil Company Inc | Tulsa, OK 74120 | Oil & Gas Operator | Sep 2024 |
| 11143 | Top O'Texas Energy, L.P. | Pampa, TX 79066 | Oil & Gas Operator | Dec 2024 |
| 11144 | Top O'Texas Production Co. | Pampa, TX 79066 | Oil & Gas Operator | May 2024 |
| 11145 | Top O'Texas Production, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Feb 1997 |
| 11146 | Top Op, L.L.C. | Houston, TX 77077 | Oil & Gas Operator | May 2020 |
| 11147 | Topat Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Sep 2017 |
| 11148 | Topaz Oil Company | Diboll, TX 75941 | Oil & Gas Operator | Apr 1994 |
| 11149 | Topper Oil Company | Borger, TX 79007 | Oil & Gas Operator | Dec 2024 |
| 11150 | Tor Energy, LLC | Temple, TX 76501 | Oil & Gas Operator | Dec 2024 |
| 11151 | Torch Energy Services, Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2011 |
| 11152 | Torch Oil & Gas Company | Houston, TX 77010 | Oil & Gas Operator | Aug 1997 |
| 11153 | Torch Operating Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
| 11154 | Torch Operating LLC | Fort Worth, TX 76135 | Oil & Gas Operator | Oct 2020 |
| 11155 | Toreador Exploration & Prod Inc | Dallas, TX 75240 | Oil & Gas Operator | Feb 2008 |
| 11156 | Torrent Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 11157 | Tortuga Operating Company | Houston, TX 77055 | Oil & Gas Operator | Dec 2024 |
| 11158 | Total E&P USA, Inc. | Houston, TX 77210 | Oil & Gas Operator | Nov 2011 |
| 11159 | Total Minatome Corporation | Houston, TX 77210 | Oil & Gas Operator | Dec 1998 |
| 11160 | Totalfinaelf E&P USA Inc | Houston, TX 77024 | Oil & Gas Operator | Jul 2007 |
| 11161 | Touchstone Resources USA, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2006 |
| 11162 | Tower Resources Inc | Conroe, TX 77304 | Oil & Gas Operator | Dec 2024 |
| 11163 | Townes, Don | Clarksville, TX 75426 | Oil & Gas Operator | Dec 2024 |
| 11164 | Townsend Company | Abilene, TX 79608 | Oil & Gas Operator | Dec 2021 |
| 11165 | Townsend, R. F. Trustee | Dallas, TX 75201 | Oil & Gas Operator | Dec 1994 |
| 11166 | TPC Exploration, LLC | May, TX 76857 | Oil & Gas Operator | Dec 2024 |
| 11167 | Tpet Management Inc. | Dallas, TX 75204 | Oil & Gas Operator | Dec 1997 |
| 11168 | Tpet, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Mar 2008 |
| 11169 | TR Offshore, LLC | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Dec 2024 |
| 11170 | TR Operating LLC | Graham, TX 76450 | Oil Operator | Sep 2024 |
| 11171 | Trace Energy Management Inc | Weatherford, TX 76086 | Oil & Gas Operator | Dec 2024 |
| 11172 | Trace Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2024 |
| 11173 | Tracer Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Nov 1998 |
| 11174 | Tracer Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
| 11175 | Tracker Mineral | Clyde, TX 79510 | Oil & Gas Operator | Dec 2024 |
| 11176 | Tracker Oil & Gas, Inc. | Bastrop, TX 78602 | Oil & Gas Operator | Dec 2024 |
| 11177 | Tracker Resource Dev III, LLC | Englewood, CO 80112 | Oil & Gas Operator | Jul 2021 |
| 11178 | Trackstar Energies LLC | Colorado Springs, CO 80919-3233 | Oil Operator | Mar 2023 |
| 11179 | Tracy Co. | Rockdale, TX 76567 | Oil & Gas Operator | Mar 2022 |
| 11180 | Tracy Operating Co., LLC | Rockdale, TX 76567 | Oil & Gas Operator | Dec 2024 |
| 11181 | Tracy Production | Lindale, TX 75771 | Oil & Gas Operator | Dec 2024 |
| 11182 | Tradestar Energy, Inc. | Hot Springs, AR 71913 | Oil Operator | Feb 2021 |
| 11183 | Tradition Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2014 |
| 11184 | Tradition Resources Oper, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2017 |
| 11185 | Trail Mountain, Inc. | Artesia, NM 88210 | Oil & Gas Operator | Jan 2016 |
| 11186 | Trail Ridge Energy Partners, LLC | Grapevine, TX 76051 | Oil & Gas Operator | Sep 2024 |
| 11187 | Trail Ridge Energy PRTNS II LLC | Grapevine, TX 76051 | Oil & Gas Operator | Jun 2017 |
| 11188 | Trailblazer Energy LLC | Plano, TX 75075 | Oil & Gas Operator | Sep 2024 |
| 11189 | Trailblazer Energy Resources, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2024 |
| 11190 | Trailhead Exploration, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2024 |
| 11191 | Trans Ocean Oil, Inc. | Houston, TX 77252 | Oil & Gas Operator | Oct 1980 |
| 11192 | Trans Oil Marketing LLC | Abilene, TX 79608 | Oil Operator | Aug 2023 |
| 11193 | Trans Terra Corp., International | Amarillo, TX 79159 | Oil & Gas Operator | Feb 2009 |
| 11194 | Trans Texas Minerals Company | Austin, TX 78714 | Oil & Gas Operator | Aug 1999 |
| 11195 | Trans-Pecos Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
| 11196 | Trans-Tex Operating LLC | Dallas, TX 75367 | Oil & Gas Operator | Dec 2024 |
| 11197 | Trans-Texas Energy Group LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Jul 2015 |
| 11198 | Trans-Texas Resources, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Feb 1993 |
| 11199 | Transamerica Energy Corp. | Atlanta, GA 30356 | Oil & Gas Operator | Dec 2024 |
| 11200 | Transamerican Natural Gas Corp. | Houston, TX 77032 | Oil & Gas Operator | Aug 2000 |