| 1101 | TMR Exploration, Inc. | Bossier City, LA 71171 | Oil & Gas Operator | Sep 2025 |
| 1102 | TMR Operating Co Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 1990 |
| 1103 | TNC Energy, LLC | Lubbock, TX 79401 | Oil & Gas Operator | Nov 2016 |
| 1104 | TNCH, LLC | Colorado City, TX 79512 | Oil Operator | Jun 2026 |
| 1105 | TNG, Inc. | | Oil & Gas Operator | Dec 1996 |
| 1106 | TNR Petroleum, Inc. | Austin, TX 78747 | Oil & Gas Operator | Sep 1999 |
| 1107 | TNT Energy Inc. | Brownwood, TX 76801 | Oil & Gas Operator | May 2013 |
| 1108 | TNT Energy LLC | Paola, KS 66071 | Oil Operator | Dec 2009 |
| 1109 | TNT Enterprizes | Coweta, OK 74429 | Oil & Gas Operator | Nov 2005 |
| 1110 | TNT Oil Co. | Hamlin, TX 79520 | Oil & Gas Operator | Jun 2026 |
| 1111 | TNT Oil, LLC | Conrad, MT 59425 | Oil Operator | Nov 2017 |
| 1112 | TNT Operating Company Inc | Blanchard, OK 73010 | Oil & Gas Operator | Feb 2026 |
| 1113 | TNT Operating LLC | | Oil & Gas Operator | Aug 2016 |
| 1114 | TNT Petroleum Company, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Feb 1996 |
| 1115 | TNT Well Servicing, Inc. | Pratt, KS 67124 | Oil Operator | Jun 2006 |
| 1116 | Toc Energy Resources, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Jun 2026 |
| 1117 | Toc Oil Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 1118 | Toc, Inc. (TN) | | Oil Operator | Apr 1995 |
| 1119 | Toc-Rocky Mountain Inc | | Oil & Gas Operator | Oct 2013 |
| 1120 | Toce Energy, L.L.C. | | Oil & Gas Operator | Dec 2017 |
| 1121 | Toce Oil Company | | Oil & Gas Operator | Dec 2014 |
| 1122 | Toco Corporation | | Oil & Gas Operator | Oct 1991 |
| 1123 | Toco Oil & Gas Co | Grapevine, TX 76051 | Oil & Gas Operator | Feb 1993 |
| 1124 | Todd Bertolet | | Gas Operator | Apr 1999 |
| 1125 | Todd C H Incorpo | | Oil & Gas Operator | Feb 1994 |
| 1126 | Todd John C | Oklahoma City, OK 73112-8049 | Oil & Gas Operator | May 2015 |
| 1127 | Todd Oil Corp. Of La. Inc. | | Oil & Gas Operator | Jul 2000 |
| 1128 | Todd Oil Production Co | | Oil Operator | Aug 2001 |
| 1129 | Todd, J R Oil & Investments, Inc | Dallas, TX 75206 | Oil & Gas Operator | Jun 2002 |
| 1130 | Todd, Marc E | Wichita, KS 67203 | Oil Operator | Feb 2026 |
| 1131 | Tog Operating, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2026 |
| 1132 | Toi Operating | Sidney, MT 59270 | Oil Operator | Sep 2019 |
| 1133 | Toil Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Feb 2026 |
| 1134 | Token Operating, LLC | Enid, OK 73703-1094 | Oil & Gas Operator | Mar 2026 |
| 1135 | Toklan Oil And Gas Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2026 |
| 1136 | Toklan Oil Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
| 1137 | Tola Production Company | Dallas, TX 75367 | Oil & Gas Operator | Jun 2026 |
| 1138 | Toland & Johnston Inc | Edmond, OK 73034 | Oil & Gas Operator | Feb 2026 |
| 1139 | Tolar Corporation | | Oil & Gas Operator | Sep 1999 |
| 1140 | Tolar Energy, L.L.C. | | Oil & Gas Operator | Dec 2001 |
| 1141 | Tolas Oil And Gas Exploration Co | | Oil Operator | Apr 2026 |
| 1142 | Tolbert & Associates | | Oil Operator | Dec 2024 |
| 1143 | Tolbert Et Al | | Oil Operator | Jun 2000 |
| 1144 | Tolbert Well Service | | Oil Operator | Jan 2025 |
| 1145 | Toledo Bend Well Service | | Oil Operator | Aug 2000 |
| 1146 | Toledo Mining Co | Irving, TX 75061 | Oil Operator | Dec 1989 |
| 1147 | Tollett Oil | Graham, TX 76450 | Oil Operator | Nov 2024 |
| 1148 | Tolson Gary | Seminole, OK 74868-3267 | Oil & Gas Operator | Jan 2026 |
| 1149 | Tom A Leeper | Brush Valley, PA 15720-0206 | Oil & Gas Operator | Dec 2024 |
| 1150 | Tom Boyd Drilling Co Inc | Roswell, NM 882021375 | Oil & Gas Operator | Jan 1996 |
| 1151 | Tom Brown Construction, Inc. | Astor, FL 32102 | Oil Operator | Feb 2026 |
| 1152 | Tom Brown Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 2004 |
| 1153 | Tom Coble Oil & Gas LP | Amarillo, TX 79105 | Oil & Gas Operator | Jun 2026 |
| 1154 | Tom E. Johnson Exploration LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 1155 | Tom Fenno Production LLC | | Oil Operator | Apr 2017 |
| 1156 | Tom Littlepage Oil Properties | | Oil & Gas Operator | Dec 1984 |
| 1157 | Tom Moore Trustee | | Oil Operator | Apr 1986 |
| 1158 | Tom Operating And Minerals LLC | Andrews, TX 79714 | Gas Operator | Jun 2026 |
| 1159 | Tom R Cone | Hobbs, NM 88240 | Oil Operator | Oct 2009 |
| 1160 | Tom West | | Oil & Gas Operator | Nov 1989 |
| 1161 | Tom'S Oil | | Oil Operator | Jan 2026 |
| 1162 | Tom-Tom Operating, LLC | Dallas, TX 75209 | Oil & Gas Operator | Jun 2026 |
| 1163 | Toma Explorations LLC | Shawnee, OK 74801-0512 | Oil & Gas Operator | Feb 2025 |
| 1164 | Toma Oil & Gas, Inc. | Corpus Christ, TX 78411 | Oil & Gas Operator | Oct 1997 |
| 1165 | Tomahawk Oil Company, Inc. | Roundup, MT 59072 | Oil & Gas Operator | Mar 2026 |
| 1166 | Tomahawk Operating Co | Elida, NM 88116 | Oil & Gas Operator | Aug 2014 |
| 1167 | Tomar Petroleum Inc | Dallas, TX 75225 | Oil & Gas Operator | Mar 2001 |
| 1168 | Tomco Oil & Gas Inc. | Comanche, TX 76442 | Oil & Gas Operator | Jun 2026 |
| 1169 | Tomco Oil Incorp | | Oil Operator | Nov 1989 |
| 1170 | Tomco Oil, Inc. | Atlanta, KS 67008 | Oil & Gas Operator | Feb 2026 |
| 1171 | Tomel Production, LLC | Dallas, TX 75360 | Oil & Gas Operator | Feb 2026 |
| 1172 | Tomkat Limited | | Oil & Gas Operator | Jul 1995 |
| 1173 | Tomkat, LTD. | Wichita, KS 67278 | Oil & Gas Operator | Oct 2009 |
| 1174 | Tomlinson Interests | | Oil & Gas Operator | Jan 1983 |
| 1175 | Tomlinson Oil Co Inc | Great Bend, KS 67530 | Oil & Gas Operator | May 2025 |
| 1176 | Tomlinson Operating, LLC | Ketchum, ID 83340 | Oil & Gas Operator | Oct 2014 |
| 1177 | Tomlinson W E | Comanche, OK 73529-9561 | Oil Operator | Aug 1996 |
| 1178 | Tomlinson, John Oil Operator | Batson, TX 77519 | Oil & Gas Operator | Mar 2008 |
| 1179 | Tomlinson, Sid | Hays, KS 67601 | Oil & Gas Operator | Sep 2002 |
| 1180 | Tomlinson, Thomas K. Inc. | Port Lavaca, TX 77979 | Oil & Gas Operator | Jul 2003 |
| 1181 | Tommy A. Paul | | Oil Operator | Oct 2020 |
| 1182 | Tommy Joe Jenny | | Gas Operator | Nov 2024 |
| 1183 | Tomorrows Energy Exploration Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Feb 2026 |
| 1184 | Tompkins, Kevin D. | Kilgore, TX 75663 | Oil Operator | Jun 2026 |
| 1185 | Tomsco Energy | Artesia, NM 88210 | Oil & Gas Operator | Mar 1996 |
| 1186 | Tomsha LLC | Bryson, TX 76427 | Oil Operator | Jun 2026 |
| 1187 | Tonda Oil Company | Independence, KS 67301 | Oil & Gas Operator | Jul 1996 |
| 1188 | Toney Branch Gas Company | Huntington, WV 25702-0086 | Gas Operator | Dec 2021 |
| 1189 | Toney, W.L. | Borger, TX 79007 | Oil & Gas Operator | Oct 2012 |
| 1190 | Tong Petrotech Inc. | Houston, TX 77079 | Oil & Gas Operator | Jun 2026 |
| 1191 | Tongue Schuster And Associates Inc | | Oil & Gas Operator | Feb 2007 |
| 1192 | Tonk Creek Oil Company | Aspermont, TX 79502 | Oil & Gas Operator | Jun 2026 |
| 1193 | Tonka Energy Inc. | | Oil & Gas Operator | Dec 2004 |
| 1194 | Tonka Oil & Gas Production Inc | Buffalo, WY 82834 | Oil & Gas Operator | Sep 1999 |
| 1195 | Tonkawa Saltwater Disposal LLC | Woodward, OK 73801 | Oil Operator | Dec 2015 |
| 1196 | Tonner Hills SSP LLC | | Oil & Gas Operator | Dec 2012 |
| 1197 | Tonner Petroleum LLC | Dallas, TX 75248-3326 | Oil Operator | Feb 2011 |
| 1198 | Tonto Petroleum Corporation | Post, TX 79356 | Oil & Gas Operator | Jan 2007 |
| 1199 | Tontol, LLC | Scottsdale, AZ 85250 | Oil Operator | Jan 2026 |
| 1200 | Tony Oil Company | | Oil & Gas Operator | Feb 2026 |