| 27301 | Sterling Petrole | | Oil & Gas Operator | Sep 1992 |
| 27302 | Sterling Properties Inc | Lawton, OK 73501-9601 | Oil Operator | Mar 2026 |
| 27303 | Sterlynn Oil & Gas, Inc. | Harper, TX 78631 | Oil Operator | Jun 2026 |
| 27304 | Stesco Operating Company LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Feb 2026 |
| 27305 | Stetson Energy Corporation | Duncan, OK 73534-0098 | Oil & Gas Operator | Mar 2015 |
| 27306 | Stetson Petroleum Corp. | Rollins, MT 59931 | Oil & Gas Operator | Jun 2026 |
| 27307 | Steve Burchett Oil Co | | Oil Operator | Dec 2023 |
| 27308 | Steve Smith | | Gas Operator | Dec 1987 |
| 27309 | Steve'S Oilfield | | Oil Operator | Jul 1994 |
| 27310 | Steveco | | Oil Operator | Feb 1984 |
| 27311 | Steven A. Sayce | | Oil Operator | Jan 2021 |
| 27312 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 27313 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
| 27314 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 27315 | Stevens Quincy O | Oklahoma City, OK 73116-4102 | Oil & Gas Operator | Dec 2019 |
| 27316 | Stevens, Carole J. | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 27317 | Stevens, Dale E | Grayson, KY 41143 | Oil Operator | Dec 2023 |
| 27318 | Stevenson Oil Co | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 27319 | Stevenson, Albert | | Oil & Gas Operator | Jun 1979 |
| 27320 | Stevenson, Ken & Associates, Inc | La Grange, TX 78945 | Oil & Gas Operator | Sep 2002 |
| 27321 | Stevie'S Shale Well LLC | Woodhull, NY 14898 | Gas Operator | Dec 2024 |
| 27322 | Steward Energy II, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2025 |
| 27323 | Steward Energy, LLC | Frisco, TX 75034 | Oil & Gas Operator | Nov 2014 |
| 27324 | Steward Petroleum Company | | Oil & Gas Operator | Nov 1995 |
| 27325 | Stewardship Resources | Roanoke, TX 76262 | Oil & Gas Operator | Jun 2022 |
| 27326 | Stewart & Porter | Mingus, TX 76463 | Oil & Gas Operator | Apr 2002 |
| 27327 | Stewart Construction | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 27328 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 27329 | Stewart Drilling Program | Home, PA 15747-9801 | Oil & Gas Operator | Dec 2014 |
| 27330 | Stewart Family Holdings LLC | Weatherford, TX 76087 | Oil & Gas Operator | Jun 2026 |
| 27331 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | Mar 2026 |
| 27332 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 27333 | Stewart Morris E Oil Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Jan 2013 |
| 27334 | Stewart Morris E Operating Co LLC | Oklahoma City, OK 73172-0600 | Oil & Gas Operator | Jul 2008 |
| 27335 | Stewart Oil & Gas | Stephenville, TX 76401 | Gas Operator | Jun 2026 |
| 27336 | Stewart Oil & Gas Investments Inc | Porum, OK 74455 | Gas Operator | Mar 2026 |
| 27337 | Stewart Oil Co. | | Oil Operator | Jun 2009 |
| 27338 | Stewart Oil Comp | | Oil Operator | Jul 1993 |
| 27339 | Stewart Operating | | Oil Operator | Jul 2019 |
| 27340 | Stewart Petroleum Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Dec 2023 |
| 27341 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 27342 | Stewart Producers, Inc. | Mount Vernon, IL 62864 | Oil & Gas Operator | Feb 2026 |
| 27343 | Stewart W C Oil | | Oil Operator | Jun 1986 |
| 27344 | Stewart, James G. | Graham, TX 76450 | Oil & Gas Operator | Sep 2019 |
| 27345 | Stice Oil Company | | Oil Operator | Nov 2025 |
| 27346 | Stich Oil Company, A General Partnership | Chanute, KS 66720 | Oil Operator | Jul 2014 |
| 27347 | Stickney Oil & Gas, Inc. | Midland, TX 79704 | Oil & Gas Operator | Nov 2014 |
| 27348 | Stickney, F. C., Inc. | Midland, TX 79704 | Oil & Gas Operator | Oct 1998 |
| 27349 | Stidham Bob And Alice F | Sperry, OK 74073 | Oil Operator | Feb 2026 |
| 27350 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |
| 27351 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 27352 | Stiles, Carl W. | West Valley, NY 14171 | Gas Operator | Dec 2024 |
| 27353 | Still A B Wel-Service Inc | Drumright, OK 74030-0787 | Oil & Gas Operator | Jul 2019 |
| 27354 | Still Alex B Estate Of | Sagle, ID 83860-0644 | Oil & Gas Operator | Nov 2018 |
| 27355 | Stillwater Oil & Gas | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 27356 | Stillwater Petroleum Company | College Sta, TX 77845 | Oil & Gas Operator | Nov 1997 |
| 27357 | Stine Massie Oil, LLC | Mansfield, TX 76063 | Oil Operator | Jul 2025 |
| 27358 | Stine Oil Company | Mansfield, TX 76063 | Oil Operator | Mar 2016 |
| 27359 | Stine, Ward L.Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1999 |
| 27360 | Stine-Hawkins | Mansfield, TX 76063 | Gas Operator | Jun 2026 |
| 27361 | Sting Exploration Company | Tulsa, OK 74120 | Oil Operator | Sep 2004 |
| 27362 | Stinger Oil & Gas Inc. | Sherman Oaks, CA 91403 | Oil & Gas Operator | Oct 2013 |
| 27363 | Stingray Oil Company, Inc. | Goldthwaite, TX 76844 | Oil Operator | Jun 2026 |
| 27364 | Stinhall Corporation | | Oil & Gas Operator | Apr 1989 |
| 27365 | Stinnett Oil Company | | Oil Operator | Dec 1997 |
| 27366 | Stinson Gas Company, L.L.C. | | Gas Operator | Jul 2018 |
| 27367 | Stinson, Ernest Dba Logsdon Valley Oil | Horse Cave, KY 42749 | Oil Operator | Dec 2021 |
| 27368 | Stinson, Jan | | Oil Operator | May 1984 |
| 27369 | Stivers Inc | Graham, TX 76450 | Oil & Gas Operator | May 2003 |
| 27370 | Stivers Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 1995 |
| 27371 | Stiverson, R G Co, Inc | | Oil Operator | Dec 2011 |
| 27372 | Stixon Petroleum | | Oil Operator | Dec 1996 |
| 27373 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 27374 | STL Resources LLC | Sewickley, PA 15143-8859 | Gas Operator | Mar 2026 |
| 27375 | Sto Operating Company | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2026 |
| 27376 | Stobaugh G B Trust | Oklahoma City, OK 73124 | Oil Operator | Mar 2026 |
| 27377 | Stober Oil And Gas Services, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2026 |
| 27378 | Stockdale Energy Co. | | Gas Operator | Dec 1992 |
| 27379 | Stockdale Oil & Gas Inc. | | Oil & Gas Operator | Dec 2001 |
| 27380 | Stocker & Sitler Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 2002 |
| 27381 | Stockyard Energy Partners, LLC | Calumet, OK 73014 | Oil Operator | Jan 2026 |
| 27382 | Stoeppelwerth DR | | Oil Operator | May 1993 |
| 27383 | Stokes Donna L | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2023 |
| 27384 | Stoll, James G | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 27385 | Stoltz, Deane H. | Midland, TX 79710 | Oil & Gas Operator | Oct 2000 |
| 27386 | Stone & Webster Oil Company, Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1995 |
| 27387 | Stone & Williams Oil&Gas Co.,Inc | Holliday, TX 76366 | Oil Operator | Apr 2013 |
| 27388 | Stone & Wolf LLC | Sheridan, WY 82801 | Oil & Gas Operator | Dec 2006 |
| 27389 | Stone Cabin Resources LLC | | Oil & Gas Operator | Mar 2026 |
| 27390 | Stone Creek Brick Co | Stone Creek, OH 43840 | Oil & Gas Operator | Dec 2004 |
| 27391 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jun 2026 |
| 27392 | Stone Edge Energy, LLC | El Campo, TX 77437 | Oil & Gas Operator | Jun 2026 |
| 27393 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
| 27394 | Stone Energy LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 27395 | Stone Mountain Petroleum, LLC | Houston, TX 77008 | Oil & Gas Operator | Aug 2002 |
| 27396 | Stone Oak Operating LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 2026 |
| 27397 | Stone Oil Compan | | Oil Operator | Jan 1990 |
| 27398 | Stone Oil Corp & McMoran Expl | | Oil & Gas Operator | Oct 1984 |
| 27399 | Stone Oil Corp - Strata Energy | | Oil & Gas Operator | Mar 1982 |
| 27400 | Stone Oil Corp-Forest Oil Corp | | Oil & Gas Operator | Jan 1983 |