| 27301 | Stahl Petroleum Co. | Amarillo, TX 79118 | Oil & Gas Operator | Aug 2003 |
| 27302 | Stal Oil Production, L.L.C. | Argyle, TX 76226 | Oil Operator | Jul 2026 |
| 27303 | Stalcup Oil Comp | | Oil Operator | Dec 1992 |
| 27304 | Stalcup Oil Company | | Oil Operator | Oct 2009 |
| 27305 | Staley Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2000 |
| 27306 | Staley Operating Co. | Midland, TX 79702 | Oil & Gas Operator | Jan 2022 |
| 27307 | Staley, Jack C. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2000 |
| 27308 | Stalica, Donald E. | Pavilion, NY 14525 | Gas Operator | Dec 2025 |
| 27309 | Stalking Horse Energy, Limited Liability Company | Houston, TX 77062 | Oil & Gas Operator | Jul 2026 |
| 27310 | Stalking Horse Energy, LLC | Houston, TX 77062 | Oil Operator | Apr 2026 |
| 27311 | Stallings Eugene | | Oil Operator | Jul 1994 |
| 27312 | Stallion Energy LLC | Houston, TX 77090 | Oil & Gas Operator | Oct 2009 |
| 27313 | Stallion Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Oct 2017 |
| 27314 | Stallion Oil Company | Lafayette, LA 70505 | Oil & Gas Operator | Jun 2004 |
| 27315 | Stallion Oil Corporation | | Oil & Gas Operator | Nov 1987 |
| 27316 | Stallion Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2026 |
| 27317 | Stalnaker Energy Corporation | | Oil & Gas Operator | Dec 2021 |
| 27318 | Stalnaker Oil Company | Maud, OK 74854-0295 | Oil Operator | May 2017 |
| 27319 | Stalnaker, William K | | Oil & Gas Operator | Dec 2008 |
| 27320 | Stalwart Energy Co | Tulsa, OK 74103-3518 | Oil & Gas Operator | Apr 2014 |
| 27321 | Stamic Oil LLC | Duncan, OK 73534-1898 | Oil & Gas Operator | Oct 2021 |
| 27322 | Stampede Energy Corp. | Canada, 00100 | Oil & Gas Operator | Mar 2000 |
| 27323 | Stamper Operating Co., Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2026 |
| 27324 | Stanco Petroleum Inc | Kimball, NE 69145 | Oil & Gas Operator | Jul 1999 |
| 27325 | Standard Alaska Production Company | | Oil & Gas Operator | Dec 1987 |
| 27326 | Standard Oil Co Of Calif | | Oil & Gas Operator | Dec 1983 |
| 27327 | Standard Oil Co Of WV | Walton, WV 25286 | Oil & Gas Operator | Dec 2024 |
| 27328 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 27329 | Standard Oil Of Kentucky, Inc | | Oil Operator | Dec 2024 |
| 27330 | Standard Oil Tools, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Jul 2026 |
| 27331 | Standard Operating Company | Wichita, KS 67205 | Oil & Gas Operator | Dec 2019 |
| 27332 | Standard Operating Company, LLC | | Oil & Gas Operator | May 2022 |
| 27333 | Standard Operating Inc | | Oil Operator | Jun 1986 |
| 27334 | Standard Production | | Oil Operator | Oct 1997 |
| 27335 | Standard Resources Corp. | Houston, TX 77063 | Oil & Gas Operator | Jul 2026 |
| 27336 | Standard Silver Corp | Richardson, TX 750801946 | Gas Operator | Aug 2024 |
| 27337 | Standby Farms | Louisville, OH 44641 | Oil & Gas Operator | Dec 2025 |
| 27338 | Standing Bear Petroleum Inc. | | Oil & Gas Operator | Dec 2005 |
| 27339 | Standley* Robert K Dba Otis Energy | | Oil Operator | Jan 2023 |
| 27340 | Stanlee Oil LLC | | Oil Operator | Mar 2026 |
| 27341 | Stanoco Oil Co | Central City, KY 42330 | Oil & Gas Operator | Dec 2024 |
| 27342 | Stanolind Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Apr 2008 |
| 27343 | Stanolind Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2021 |
| 27344 | Stanolind Operating LLC Dba Stanolind NM LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2014 |
| 27345 | Stanolind Permian LLC | Midland, TX 79710 | Oil & Gas Operator | Jul 2026 |
| 27346 | Stanolind Production LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 27347 | Stanolind SJ LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2018 |
| 27348 | Stanotex, LLC | Katy, TX 77494 | Oil & Gas Operator | Jul 2026 |
| 27349 | Stanton Leo F & Leo H | Wynona, OK 74084 | Oil & Gas Operator | Jun 1999 |
| 27350 | Stanton Mineral Development Inc | Austin, TX 78759 | Oil & Gas Operator | Jul 2026 |
| 27351 | Stanton, Joni R | | Oil Operator | Apr 2026 |
| 27352 | Staples, James W. | Tuleta, TX 78162 | Oil & Gas Operator | Sep 2014 |
| 27353 | Staples, James W. Prod. Co. | Tuleta, TX 78162 | Oil & Gas Operator | Jul 2026 |
| 27354 | Staples, Tommy Oil Co. | Pettus, TX 78146 | Oil & Gas Operator | Mar 2008 |
| 27355 | Star Acquisition VII, LLC | Littleton, CO 801249743 | Oil & Gas Operator | Jul 2007 |
| 27356 | Star Energy Inc | Dayton, PA 16222-4325 | Oil & Gas Operator | Dec 2025 |
| 27357 | Star Expl Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1988 |
| 27358 | Star Falcon Oil Co. | | Oil Operator | Feb 1986 |
| 27359 | Star Of Texas Energy SRVS, Inc. | Austin, TX 78702 | Oil & Gas Operator | Jul 2026 |
| 27360 | Star Oil & Gas | Ben Bolt, TX 78342 | Oil & Gas Operator | Jul 2026 |
| 27361 | Star Oil & Gas, Inc. | | Oil & Gas Operator | Sep 1995 |
| 27362 | Star Oil And Gas LTD | Racine, OH 45771 | Oil & Gas Operator | Dec 2024 |
| 27363 | Star Oil Company | Wichita, KS 67230 | Oil & Gas Operator | Mar 2025 |
| 27364 | Star Oil Operating Company, LLC | Bowling Green, KY 42101 | Oil & Gas Operator | Jun 2026 |
| 27365 | Star One Energy, Inc. | Fort Worth, TX 76163 | Oil & Gas Operator | May 2012 |
| 27366 | Star Production, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Jul 2026 |
| 27367 | Star Resources LLC | Englewood, CO 80155-5185 | Oil & Gas Operator | Dec 2013 |
| 27368 | Star Resources, LTD. | Wichita, KS 67202 | Oil Operator | Nov 2002 |
| 27369 | Star-Jet Co. | Gainesville, TX 76240 | Oil Operator | Jul 2026 |
| 27370 | Starbrite Energy LLC | Enid, OK 73702-0549 | Oil & Gas Operator | Oct 2018 |
| 27371 | Starco Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Jul 2026 |
| 27372 | Stardust Leasing, Inc. | Richmond, TX 77469 | Oil & Gas Operator | Jul 1999 |
| 27373 | Stargas Co | Tulsa, OK 74136-5407 | Oil & Gas Operator | Aug 2013 |
| 27374 | Stark Oil Properties | Asher, OK 74826 | Oil & Gas Operator | Jan 1997 |
| 27375 | Stark Petroleum | Tuleta, TX 78162 | Oil & Gas Operator | Jul 2026 |
| 27376 | Starkey Oilfield Service, Inc. | Sweet Home, TX 77987 | Oil & Gas Operator | Aug 2004 |
| 27377 | Starks Leslie | Wetumka, OK 74883-0003 | Oil & Gas Operator | Oct 1995 |
| 27378 | Starlight Resources LLC | | Oil & Gas Operator | Apr 2006 |
| 27379 | Starlight Ridge | Whitesboro, TX 76273 | Oil & Gas Operator | Jul 2026 |
| 27380 | Starr Operating Company | Austin, TX 78759 | Oil & Gas Operator | Jul 2026 |
| 27381 | Starr Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2026 |
| 27382 | Starrak Operating Company, Inc. | Midland, TX 79706 | Oil & Gas Operator | Jun 1999 |
| 27383 | Startap, Inc. | Conroe, TX 77305 | Oil Operator | Jul 2026 |
| 27384 | Startex Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jul 2026 |
| 27385 | Stasney Well Service, LLC | Albany, TX 76430 | Oil & Gas Operator | Jul 2026 |
| 27386 | Stasney, H. R. & Sons, LTD. | Albany, TX 76430 | Oil & Gas Operator | Jul 2026 |
| 27387 | State Energy & Investment Inc. | | Oil & Gas Operator | Mar 1990 |
| 27388 | State Lands Commission | | Oil & Gas Operator | Dec 2025 |
| 27389 | State Line Exploration, LLC | | Oil & Gas Operator | Dec 2024 |
| 27390 | State Line Vacuum Services, LLC | | Oil Operator | Mar 2021 |
| 27391 | State Oil Company | | Oil & Gas Operator | Mar 2006 |
| 27392 | States Exploration Inc | | Oil Operator | Jul 1985 |
| 27393 | Stateside Energy Group LLC | North Miami Beach, FL 33435 | Oil & Gas Operator | Dec 2025 |
| 27394 | Statex Operating, LLC | Dallas, TX 75229 | Oil & Gas Operator | Mar 2007 |
| 27395 | Statex Petroleum Inc | Dallas, TX 75229 | Oil & Gas Operator | Dec 2000 |
| 27396 | Statia Enterprises, Inc | Irving, TX 75014 | Oil & Gas Operator | Jul 2026 |
| 27397 | Statoil Exploration (Us) Inc. | | Oil & Gas Operator | Jul 1997 |
| 27398 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
| 27399 | Statoil Texas Onshore Prop LLC | Austin, TX 78730 | Oil & Gas Operator | Dec 2018 |
| 27400 | Statoil USA Onshore Properties Inc | Austin, TX 78730 | Oil & Gas Operator | Jun 2018 |