| 1201 | Sidney Lanier | Midland, TX BADADDR | Oil & Gas Operator | Jan 1996 |
| 1202 | Sierra Blanca Operating Company | Cleburne, TX BADADDR | Oil & Gas Operator | May 1999 |
| 1203 | Sierra Madre Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2026 |
| 1204 | Siete Oil And Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 1205 | Silver Creek Oil & Gas, LLC | Flower Mound, TX 75022 | Oil & Gas Operator | Sep 2026 |
| 1206 | Silver Pines Energy Corp. | Houston, TX 77005 | Oil & Gas Operator | Jun 2026 |
| 1207 | Silver Spike Energy Operating Of NM, LLC | Midland, TX 79701 | Oil Operator | Jul 2016 |
| 1208 | Silverback Operating II, LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Jun 2026 |
| 1209 | Simcoe LLC | Durango, CO 81301 | Oil & Gas Operator | Jun 2026 |
| 1210 | Simmons Engr & Consulting Co | Farmington, NM 87499 | Gas Operator | Feb 2002 |
| 1211 | SJ Energy, LLC | Englewood, CO 80112 | Oil & Gas Operator | Feb 2019 |
| 1212 | Slayton Resources Inc | Roswell, NM 88202 | Oil & Gas Operator | May 2026 |
| 1213 | Sloan Petroleum Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 1214 | Sludge Treating, LLC | Hobbs, NM 88240 | Oil Operator | Jul 2026 |
| 1215 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Sep 2026 |
| 1216 | SMC Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 1217 | Smith & Marrs Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2021 |
| 1218 | Snow Oil & Gas Inc. | Andrews, TX 79714 | Oil & Gas Operator | Sep 2026 |
| 1219 | Snow Operating Co., Inc. | Haltom City, TX 76117 | Oil & Gas Operator | Feb 2024 |
| 1220 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
| 1221 | Socorro Pet Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 1995 |
| 1222 | Sogo III LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2017 |
| 1223 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Sep 2026 |
| 1224 | Solis Partners, L.L.C. | Midland, TX 79704 | Oil & Gas Operator | Jun 2026 |
| 1225 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 1226 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
| 1227 | Southbound Gas Company | Dallas, TX 75201 | Gas Operator | Aug 2026 |
| 1228 | Southeastern Petroleum Inc | Roswell, NM BAD ADDR | Oil & Gas Operator | Dec 1995 |
| 1229 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
| 1230 | Southland Royalty Company LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2021 |
| 1231 | Southwest Production Co | Richardson, TX BADADDR | Oil & Gas Operator | Apr 1997 |
| 1232 | Southwest Royalties, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 1233 | Southwestern Energy Prod Co | Houston, TX 77032 | Oil & Gas Operator | Jun 2015 |
| 1234 | Southwestern Inc | Hobbs, NM 88240 | Oil Operator | Oct 2009 |
| 1235 | Sovereign Eagle, LLC | Roswell, NM 88202 | Oil & Gas Operator | Jul 2018 |
| 1236 | Soxgi LLC | Andrews, TX 79714 | Oil & Gas Operator | Jun 2026 |
| 1237 | Sozo Natural Resources LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 1238 | SPC Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2024 |
| 1239 | Special Energy Corp. | Stillwater, OK 74076 | Oil & Gas Operator | Sep 2026 |
| 1240 | Spence Energy Company | Dallas, TX 75360 | Oil & Gas Operator | Sep 2026 |
| 1241 | Spenergy Corp. | Midland, TX 79701 | Oil & Gas Operator | Dec 1999 |
| 1242 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Sep 2026 |
| 1243 | Spur Energy Partners LLC | Houston, TX 77024 | Oil & Gas Operator | Jun 2026 |
| 1244 | St. Clair Energy Corporation | Tulsa, OK 74153 | Oil & Gas Operator | Mar 2008 |
| 1245 | Standard Silver Corp | Richardson, TX 750801946 | Gas Operator | Aug 2024 |
| 1246 | Stanolind Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Apr 2008 |
| 1247 | Stanolind Operating LLC Dba Stanolind NM LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2014 |
| 1248 | Stanolind Permian LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 1249 | Stanolind SJ LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2018 |
| 1250 | Star Acquisition VII, LLC | Littleton, CO 801249743 | Oil & Gas Operator | Jul 2007 |
| 1251 | STB Energy Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2008 |
| 1252 | Stearns | Crossroads, NM 88114 | Oil & Gas Operator | Dec 2025 |
| 1253 | Stephens & Johnson Op Co | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2026 |
| 1254 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 1255 | Stevenson Oil Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 1256 | Steward Energy II, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2025 |
| 1257 | Strata Petroleum Co. | Midland, TX 79701 | Oil & Gas Operator | May 1997 |
| 1258 | Strata Production Co | Roswell, NM 882021030 | Oil & Gas Operator | Jun 2026 |
| 1259 | Stratco Operating Co., Inc. | Austin, TX 78701 | Oil & Gas Operator | Sep 2026 |
| 1260 | Summers Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2002 |
| 1261 | Summit Resources Management LLC | Edmond, OK 73083 | Oil & Gas Operator | Jun 2026 |
| 1262 | Sundown Energy LP | Dallas, TX 75248 | Oil & Gas Operator | Sep 2026 |
| 1263 | Sunlight Exploration, Inc. | Canyon, TX 79015 | Oil & Gas Operator | Sep 2026 |
| 1264 | Sunset 2018, LLC | Farmington, NM 87401 | Oil & Gas Operator | Jun 2026 |
| 1265 | Sunset Well Service Holdings Inc | Midland, TX 79708 | Oil Operator | Apr 2013 |
| 1266 | Susan Sullivan Dba Lizard Production | Bloomfield, NM 87413 | Oil & Gas Operator | Mar 2011 |
| 1267 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 1268 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 1269 | Sylvite Corp | Tulsa, OK 741363908 | Oil & Gas Operator | Dec 2000 |
| 1270 | Synergex Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2026 |
| 1271 | Synergy Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2019 |
| 1272 | Synergy Operating LLC | Farmington, NM 87499 | Oil & Gas Operator | Nov 2025 |
| 1273 | Synergy Resources | Artesia, NM 88210 | Oil & Gas Operator | Jan 2015 |
| 1274 | T M Hopkins Operating Co | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2002 |
| 1275 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 2026 |
| 1276 | Tacitus, LLC | Farmington, NM 87401 | Oil & Gas Operator | Jul 2026 |
| 1277 | Tahoe Energy, Inc. | Midland, TX 79703 | Oil & Gas Operator | Jul 1996 |
| 1278 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 1279 | Tamaroa Operating, LLC | Plano, TX 750866937 | Oil & Gas Operator | Jul 2026 |
| 1280 | Tandem Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 1281 | Tap Rock Operating, LLC | Denver, CO 80203 | Oil & Gas Operator | Sep 2026 |
| 1282 | Tarco Energy, LC | Lubbock, TX 79423 | Oil & Gas Operator | Jun 2026 |
| 1283 | Tascosa Energy Partners, L.L.C | Midland, TX 79701 | Oil & Gas Operator | Jun 2026 |
| 1284 | Tbi Exploration Inc | Englewood, CO 801556525 | Oil & Gas Operator | Jun 2011 |
| 1285 | Team Operating, L.L.C. | Pinehurst, TX 77362 | Oil & Gas Operator | Sep 2026 |
| 1286 | Techsys Resources LLC | Houston, TX 77224 | Gas Operator | Aug 2015 |
| 1287 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Sep 2026 |
| 1288 | Tempo Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 1289 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Jun 2026 |
| 1290 | Texaco Exploration & Prod Inc | Houston, TX 77236 | Oil & Gas Operator | May 2026 |
| 1291 | Texaco Exploration & Production Inc N W | Farmington, NM 87401 | Oil & Gas Operator | Aug 1995 |
| 1292 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 1293 | Texas Independent Exploration LP | Houston, TX 77024 | Oil & Gas Operator | Mar 2017 |
| 1294 | Texas Reexploration Operating LC | Fredericksbrg, TX 78624 | Oil & Gas Operator | Sep 2026 |
| 1295 | Texas Standard Operating NM LLC | Midland, TX 79705 | Oil & Gas Operator | Jun 2026 |
| 1296 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 1297 | Texian Operating Company, LLC | Irving, TX 75063 | Oil & Gas Operator | Sep 2026 |
| 1298 | Texland Petroleum, L.P. | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2026 |
| 1299 | Texland Petroleum-Hobbs, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2026 |
| 1300 | Texon Oil Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |