| 1201 | Smith & Marrs Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2021 |
| 1202 | Snow Oil & Gas Inc. | Andrews, TX 79714 | Oil & Gas Operator | May 2025 |
| 1203 | Snow Operating Co., Inc. | Haltom City, TX 76117 | Oil & Gas Operator | Feb 2024 |
| 1204 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
| 1205 | Socorro Pet Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 1995 |
| 1206 | Sogo III LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2017 |
| 1207 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | May 2025 |
| 1208 | Solis Partners, L.L.C. | Midland, TX 79707 | Oil & Gas Operator | Feb 2025 |
| 1209 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 1210 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
| 1211 | Southbound Gas Company | Dallas, TX 75201 | Gas Operator | Feb 2025 |
| 1212 | Southeastern Petroleum Inc | Roswell, NM BAD ADDR | Oil & Gas Operator | Dec 1995 |
| 1213 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
| 1214 | Southland Royalty Company LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2021 |
| 1215 | Southwest Production Co | Richardson, TX BADADDR | Oil & Gas Operator | Apr 1997 |
| 1216 | Southwest Royalties Inc | Midland, TX 79710 | Oil & Gas Operator | May 2025 |
| 1217 | Southwestern Energy Prod Co | Houston, TX 77032 | Oil & Gas Operator | Jun 2015 |
| 1218 | Southwestern Inc | Hobbs, NM 88240 | Oil Operator | Oct 2009 |
| 1219 | Sovereign Eagle, LLC | Roswell, NM 88202 | Oil & Gas Operator | Jul 2018 |
| 1220 | Sozo Natural Resources LLC | Houston, TX 77056 | Oil & Gas Operator | May 2025 |
| 1221 | SPC Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2024 |
| 1222 | Special Energy Corporation | Stillwater, OK 74076 | Oil & Gas Operator | May 2025 |
| 1223 | Spence Energy Company | Dallas, TX 75360 | Oil & Gas Operator | May 2025 |
| 1224 | Spenergy Corp. | Midland, TX 79701 | Oil & Gas Operator | Dec 1999 |
| 1225 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | May 2025 |
| 1226 | Spur Energy Partners LLC | Houston, TX 77024 | Oil & Gas Operator | Mar 2025 |
| 1227 | St. Clair Energy Corporation | Tulsa, OK 74153 | Oil & Gas Operator | Mar 2008 |
| 1228 | Standard Silver Corp | Richardson, TX 750801946 | Gas Operator | Aug 2024 |
| 1229 | Stanolind Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Apr 2008 |
| 1230 | Stanolind Operating LLC Dba Stanolind NM LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2014 |
| 1231 | Stanolind Permian LLC | Midland, TX 79705 | Oil & Gas Operator | May 2025 |
| 1232 | Stanolind SJ LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2018 |
| 1233 | Star Acquisition VII, LLC | Littleton, CO 801249743 | Oil & Gas Operator | Jul 2007 |
| 1234 | STB Energy Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2008 |
| 1235 | Stearns | Crossroads, NM 88114 | Oil & Gas Operator | Dec 2024 |
| 1236 | Stephens & Johnson Op Co | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2025 |
| 1237 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 1238 | Stevenson Oil Company, Inc. | Lovington, NM 88260 | Oil & Gas Operator | Mar 2025 |
| 1239 | Steward Energy II, LLC | Frisco, TX 75034 | Oil & Gas Operator | May 2025 |
| 1240 | Strata Petroleum Co. | Midland, TX 79701 | Oil & Gas Operator | May 1997 |
| 1241 | Strata Production Co | Roswell, NM 882021030 | Oil & Gas Operator | Mar 2025 |
| 1242 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | May 2025 |
| 1243 | Summers Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2002 |
| 1244 | Summit Resources Management LLC | Edmond, OK 73083 | Oil & Gas Operator | Jan 2025 |
| 1245 | Sundown Energy LP | Dallas, TX 75248 | Oil & Gas Operator | May 2025 |
| 1246 | Sunlight Exploration, Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2025 |
| 1247 | Sunset 2018, LLC | Farmington, NM 87401 | Oil & Gas Operator | Feb 2025 |
| 1248 | Sunset Well Service Holdings Inc | Midland, TX 79708 | Oil Operator | Apr 2013 |
| 1249 | Susan Sullivan Dba Lizard Production | Bloomfield, NM 87413 | Oil & Gas Operator | Mar 2011 |
| 1250 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 1251 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 1252 | Sylvite Corp | Tulsa, OK 741363908 | Oil & Gas Operator | Dec 2000 |
| 1253 | Synergex Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Feb 2025 |
| 1254 | Synergy Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2019 |
| 1255 | Synergy Operating LLC | Farmington, NM 87499 | Oil & Gas Operator | Jul 2024 |
| 1256 | Synergy Resources | Artesia, NM 88210 | Oil & Gas Operator | Jan 2015 |
| 1257 | T And DS Lube Doctors LLC | Carlsbad, NM 88220 | Gas Operator | Mar 2025 |
| 1258 | T M Hopkins Operating Co | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2002 |
| 1259 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2025 |
| 1260 | Tacitus, LLC | Farmington, NM 87401 | Oil & Gas Operator | Feb 2025 |
| 1261 | Tahoe Energy, Inc. | Midland, TX 79703 | Oil & Gas Operator | Jul 1996 |
| 1262 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 1263 | Tamaroa Operating, LLC | Plano, TX 750866937 | Oil & Gas Operator | Dec 2024 |
| 1264 | Tandem Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | May 2025 |
| 1265 | Tap Rock Operating, LLC | Golden, CO 80401 | Oil & Gas Operator | May 2025 |
| 1266 | Tarco Energy, LC | Lubbock, TX 79423 | Oil & Gas Operator | Jan 2025 |
| 1267 | Tascosa Energy Partners, L.L.C | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 1268 | Tbi Exploration Inc | Englewood, CO 801556525 | Oil & Gas Operator | Jun 2011 |
| 1269 | Team Operating, L.L.C. | Pinehurst, TX 77362 | Oil & Gas Operator | May 2025 |
| 1270 | Techsys Resources LLC | Houston, TX 77224 | Gas Operator | Aug 2015 |
| 1271 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | May 2025 |
| 1272 | Tempo Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 1273 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | May 2025 |
| 1274 | Terry Pate | Hobbs, NM 88240 | Oil & Gas Operator | Jun 2006 |
| 1275 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Mar 2025 |
| 1276 | Texaco Exploration & Production Inc N W | Farmington, NM 87401 | Oil & Gas Operator | Aug 1995 |
| 1277 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 1278 | Texas Independent Exploration LP | Houston, TX 77024 | Oil & Gas Operator | Mar 2017 |
| 1279 | Texas Reexploration Operating LC | Fredericksbrg, TX 78624 | Oil & Gas Operator | May 2025 |
| 1280 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 1281 | Texland Petroleum, L.P. | Fort Worth, TX 76107 | Oil & Gas Operator | May 2025 |
| 1282 | Texland Petroleum-Hobbs, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2025 |
| 1283 | Texon Oil Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |
| 1284 | The Colborn Company, Inc. | Eunice, NM 88231 | Oil & Gas Operator | Mar 2025 |
| 1285 | The Gary-Williams Company | Denver, CO 80202 | Oil Operator | Nov 2009 |
| 1286 | Thomas And Ruby Parkinson Trust | Tatum, NM 88267 | Oil & Gas Operator | Mar 2025 |
| 1287 | Thomas Operating Company Inc | Greeley, CO 80634 | Oil & Gas Operator | Aug 2008 |
| 1288 | Thomas R Sivley | Southlake, TX 76092 | Oil & Gas Operator | Mar 2013 |
| 1289 | Thompson Engr & Prod Corp | Farmington, NM 87402 | Oil & Gas Operator | Apr 2019 |
| 1290 | Thornton Operating Corporation | Fort Worth, TX 76162 | Oil & Gas Operator | Jul 2014 |
| 1291 | Three Forks Resources LLC | Wheat Ridge, CO 80033 | Oil & Gas Operator | May 2025 |
| 1292 | Three Rivers Operating Co LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 1293 | Three Span Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2025 |
| 1294 | Threshold Development Company | Fort Worth, TX 76109 | Oil & Gas Operator | Aug 2016 |
| 1295 | Thriftway Marketing Corp | Farmington, NM 87401 | Gas Operator | Apr 2000 |
| 1296 | Thunderbolt Petroleum, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 1297 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
| 1298 | Tiffany Gas Co | Farmington, NM 87499 | Oil Operator | Jan 2010 |
| 1299 | Timberline Oil & Gas, LLC | Seminole, TX 79360 | Oil Operator | Mar 2025 |
| 1300 | Tipperary Oil & Gas Corp | Denver, CO 80202 | Oil & Gas Operator | May 2014 |