| 1101 | Sunset Energy L L C | Palm Harbor, FL 34683-3044 | Oil Operator | Dec 2007 |
| 1102 | Sunset Leases LLC | Ozona, TX 76943 | Oil Operator | Feb 2026 |
| 1103 | Sunstone Energy Company | Tulsa, OK 74153 | Oil & Gas Operator | Aug 2009 |
| 1104 | Sunterra Energy Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2009 |
| 1105 | Sunwest Oklahoma, Inc | Dallas, TX 75231 | Oil & Gas Operator | May 2023 |
| 1106 | Sunwest Operating Company L.L.C. | Englewood, CO 80155 | Oil & Gas Operator | Aug 2002 |
| 1107 | Suoco Oil Corporation | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 1108 | Supa Energy, Inc. | Shamrock, TX 79079 | Oil & Gas Operator | Feb 2026 |
| 1109 | Superior Midstream, LLC | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2020 |
| 1110 | Superior Oil & Gas Invt, L.L.C. | Conroe, TX 77305 | Gas Operator | Jul 2018 |
| 1111 | Superior Royalty, LLC | Lindale, TX 75771 | Oil Operator | Feb 2026 |
| 1112 | Supreme Energy Company, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Feb 2026 |
| 1113 | Sure Flow Oil & Gas Company | Victoria, TX 77902 | Oil & Gas Operator | Mar 2008 |
| 1114 | Sure Flow Oil & Gas, Inc. | Victoria, TX 77902 | Oil & Gas Operator | Feb 2026 |
| 1115 | Surge Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | Feb 2026 |
| 1116 | Surge Solutions, Inc. | Bandera, TX 78003 | Oil & Gas Operator | Feb 2026 |
| 1117 | Susanna Corporation | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 1118 | Sutherland Energy Co., LLC | Bridgeport, TX 76426 | Oil & Gas Operator | Feb 2026 |
| 1119 | Sutterfield-Tisdale-Payne, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 1998 |
| 1120 | Sutton Oil Co. | San Antonio, TX 78254 | Oil & Gas Operator | Feb 2026 |
| 1121 | Sutton Producing Corp. | San Antonio, TX 78270 | Oil & Gas Operator | Feb 2026 |
| 1122 | Sutton, John E. | Toledo, OH 43616 | Oil & Gas Operator | Feb 2026 |
| 1123 | Sutton, Robert E., Inc. | Odessa, TX 79760 | Oil & Gas Operator | Mar 1997 |
| 1124 | SV Energy Company, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2017 |
| 1125 | Sven Permian, LLC | Houston, TX 77243 | Oil & Gas Operator | Aug 2025 |
| 1126 | SW Operating, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Sep 2000 |
| 1127 | Swab Oil Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 1128 | Swaim, Charles | Tolar, TX 76476 | Oil & Gas Operator | Apr 2020 |
| 1129 | Swan PC, LP | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 1130 | Swan Production Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2009 |
| 1131 | Swanner Properties | Wichita Falls, TX 76309 | Oil & Gas Operator | Feb 2026 |
| 1132 | Swanson & Vestal | Electra, TX 76360 | Oil & Gas Operator | Oct 1997 |
| 1133 | Swanson Operating, Inc. | Holliday, TX 76366 | Oil Operator | Feb 2026 |
| 1134 | Swanson, Tom | Electra, TX 76360 | Oil & Gas Operator | Oct 2004 |
| 1135 | Swanson, Tommy Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 1136 | Swaringin, Howard Operating | Maryneal, TX 79535 | Oil & Gas Operator | May 2003 |
| 1137 | Swartz Oil Company | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2026 |
| 1138 | Swartz, Guy A. | San Angelo, TX 76904 | Oil & Gas Operator | Aug 1993 |
| 1139 | Sweet Crude Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Feb 2026 |
| 1140 | Sweet Texas T Energy LLC | Clyde, TX 79510 | Oil Operator | Feb 2026 |
| 1141 | Sweetwater Drilling Co., Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2026 |
| 1142 | Sweetwater Production, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2026 |
| 1143 | Swenson Backhoe Service, Inc. | Electra, TX 76360 | Oil Operator | Feb 2026 |
| 1144 | Swenson, Clifford E. | Henrietta, TX 76365 | Oil & Gas Operator | Feb 2026 |
| 1145 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 1146 | Swiess & Thomas | San Antonio, TX 78247 | Oil Operator | Feb 2026 |
| 1147 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 1148 | Swift Energy Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2017 |
| 1149 | SWJN Oil Company | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 1150 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Dec 2025 |
| 1151 | SWN Production LLC | Spring, TX 77389-4954 | Oil & Gas Operator | Feb 2022 |
| 1152 | Swope Corp. | Austin, TX 78735 | Oil & Gas Operator | Feb 2026 |
| 1153 | Swordfish Energy Operating, LLC | Houston, TX 77060 | Oil & Gas Operator | Feb 2026 |
| 1154 | SWS | Humble, TX 77338 | Oil Operator | Feb 2026 |
| 1155 | Sydri Operating, LLC | Dallas, TX 75231 | Oil & Gas Operator | Feb 2026 |
| 1156 | Sydson Energy, Inc. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 1157 | Syj Oil & Gas | San Antonio, TX 78209 | Oil Operator | Sep 2000 |
| 1158 | Syj Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 1159 | Sylvan Energy, LLC | Pittsburgh, PA 15211 | Oil & Gas Operator | Feb 2026 |
| 1160 | Symank, Steve | Olney, TX 76374 | Oil & Gas Operator | Feb 2026 |
| 1161 | Symba American Oil, Inc | Houston, TX 77056 | Oil Operator | Feb 2026 |
| 1162 | Synergex Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2025 |
| 1163 | Synergy Oil & Gas, Inc. (A) | Houston, TX 77024 | Oil & Gas Operator | Aug 2001 |
| 1164 | Synergy Oil & Gas, L.P. | Houston, TX 77024 | Oil & Gas Operator | May 2012 |
| 1165 | Synergy Operating Co., LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 1166 | Synergy Production Company | Houston, TX 77024 | Oil & Gas Operator | Jan 1996 |
| 1167 | Syntax Energy Corporation | Denton, TX 76210 | Oil Operator | Feb 2026 |
| 1168 | Synthetic Energy Corporation | Houston, TX 77006 | Oil Operator | Feb 2026 |