| 27301 | Steimle, Peter C. | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 27302 | Steinberger Bros., Inc. | Independence, KS 67301 | Oil Operator | Dec 2009 |
| 27303 | Steinberger Oil Company | Independence, KS 67301 | Oil & Gas Operator | May 2002 |
| 27304 | Steinberger, D. | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1995 |
| 27305 | Steinberger, Gerald | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2007 |
| 27306 | Steindorf, Bert Oil & Gas Co. | Floresville, TX 78114 | Oil & Gas Operator | Apr 2026 |
| 27307 | Steiner Oil And Gas | Lincolnville, KS 66858 | Oil Operator | Jan 1999 |
| 27308 | Steinforth, Loren | Yates Center, KS 66783 | Oil Operator | Sep 2014 |
| 27309 | Steinle Oil | | Oil Operator | Aug 2021 |
| 27310 | Steinman, Frank C. | Electra, TX 76360 | Oil & Gas Operator | Apr 2026 |
| 27311 | Steinwachs SR, James M | Robards, KY 42452 | Oil Operator | Dec 2023 |
| 27312 | Stekoll Oil & Gas, LTD. | | Oil Operator | Jun 1963 |
| 27313 | Stekoll Petroleu | | Oil Operator | Oct 1985 |
| 27314 | Stelbar Oil Corp | Wichita, KS 67206 | Oil & Gas Operator | Aug 1995 |
| 27315 | Stelbar Oil Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 27316 | Stellar Oil Company | Arvada, CO 80006 | Oil & Gas Operator | Dec 1998 |
| 27317 | Steller Energy & Investment Corp | Plano, TX 75093 | Oil & Gas Operator | Feb 2021 |
| 27318 | Stellex | De Leon, TX 76444 | Oil & Gas Operator | Apr 2026 |
| 27319 | Stelucan Energy, LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Apr 2026 |
| 27320 | Stelzer Drilling Co. Inc. | Post, TX 79356 | Oil Operator | Apr 2026 |
| 27321 | Stelzer, E.A. Oil Company | Post, TX 79356 | Oil & Gas Operator | Feb 2002 |
| 27322 | Stelzer, J. C. | Post, TX 79356 | Oil & Gas Operator | Dec 1995 |
| 27323 | Stenco | | Oil & Gas Operator | Apr 1994 |
| 27324 | Stepco Incorpora | | Oil Operator | Nov 1994 |
| 27325 | Stepco Oil, Inc. | Ellinwood, KS 67526 | Oil Operator | Jan 2020 |
| 27326 | Stepco, Inc. | Ellinwood, KS 67526 | Oil Operator | Feb 2005 |
| 27327 | Stephen L Satterfield Production Company | Grantsville, WV 26147-0757 | Oil & Gas Operator | Nov 2021 |
| 27328 | Stephen Michael Inc | Midwest City, OK 73130-5200 | Oil & Gas Operator | Oct 2015 |
| 27329 | Stephen W. Bradford | | Oil Operator | Dec 1996 |
| 27330 | Stephens & Johnson Op Co | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 27331 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2026 |
| 27332 | Stephens Energy Company LLC | | Oil & Gas Operator | Feb 2010 |
| 27333 | Stephens Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Feb 2022 |
| 27334 | Stephens Energy Group LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Nov 2025 |
| 27335 | Stephens Exploration, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Jan 2026 |
| 27336 | Stephens Oil Co. | | Oil Operator | Dec 2017 |
| 27337 | Stephens Oil Company, LLC | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 27338 | Stephens Operating Inc | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2014 |
| 27339 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Jan 2026 |
| 27340 | Stephens Williston, LLC Dba Seg Williston, LLC | | Oil & Gas Operator | Feb 2026 |
| 27341 | Stephens, Autry C. | Midland, TX 79701 | Oil & Gas Operator | Mar 2023 |
| 27342 | Stephens, Clayton E. | Dallas, TX 75229 | Oil & Gas Operator | Nov 2011 |
| 27343 | Stephens, Glynn | Overton, TX 75684 | Oil & Gas Operator | Oct 2001 |
| 27344 | Stephens, Hayseed Oil Inc. | Weatherford, TX 76087 | Oil & Gas Operator | Mar 2008 |
| 27345 | Stephens, Mickie L. | MC Camey, TX 79752 | Oil & Gas Operator | Aug 1998 |
| 27346 | Stephens, Morris | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 27347 | Stephenson Group Natural Gas Co | Smicksburg, PA 16256-1710 | Gas Operator | Dec 2020 |
| 27348 | Stephenson John | | Oil Operator | Dec 1985 |
| 27349 | Stephenson L G & | | Oil Operator | Apr 1987 |
| 27350 | Stephenson Mark M | Smicksburg, PA 16256-1710 | Gas Operator | Dec 2009 |
| 27351 | Stephenson Oil & Gas, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Sep 1999 |
| 27352 | Stephenson W W Pet Corp | Edmond, OK 73003-0014 | Oil & Gas Operator | Jul 2017 |
| 27353 | Stephenson, Light | Whitsett, TX 78075 | Oil & Gas Operator | Nov 2000 |
| 27354 | Sterling Drillin | | Oil & Gas Operator | Mar 1992 |
| 27355 | Sterling Drilling Company | Pratt, KS 67124 | Oil & Gas Operator | Apr 2014 |
| 27356 | Sterling Energy Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 1995 |
| 27357 | Sterling Energy Resources, Inc. | Overland Park, KS 66212 | Oil Operator | May 2019 |
| 27358 | Sterling Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2015 |
| 27359 | Sterling Engine Service, Inc. | Alice, TX 78333 | Oil & Gas Operator | Apr 2026 |
| 27360 | Sterling Expl. & Prod. Co., LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2026 |
| 27361 | Sterling Explora | | Oil & Gas Operator | Jun 1994 |
| 27362 | Sterling Exploration | Lee'S Summit, MO 64082 | Gas Operator | Nov 1997 |
| 27363 | Sterling Inv. Group & Assc., Inc | Baytown, TX 77522 | Oil & Gas Operator | Apr 2026 |
| 27364 | Sterling Oil & G | | Oil Operator | May 1984 |
| 27365 | Sterling Oil And Gas | Weatherford, TX 76086 | Oil & Gas Operator | Apr 2026 |
| 27366 | Sterling Oil Co. | Sterling, KS 67579 | Oil Operator | Feb 2000 |
| 27367 | Sterling Oil Of Okla Inc | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2006 |
| 27368 | Sterling Operators Inc | | Oil Operator | Aug 2025 |
| 27369 | Sterling Petrole | | Oil & Gas Operator | Sep 1992 |
| 27370 | Sterling Properties Inc | Lawton, OK 73501-9601 | Oil Operator | Oct 2025 |
| 27371 | Sterlynn Oil & Gas, Inc. | Harper, TX 78631 | Oil Operator | Apr 2026 |
| 27372 | Stesco Operating Company LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Dec 2025 |
| 27373 | Stetson Energy Corporation | Duncan, OK 73534-0098 | Oil & Gas Operator | Mar 2015 |
| 27374 | Stetson Petroleum Corp. | Rollins, MT 59931 | Oil & Gas Operator | Apr 2026 |
| 27375 | Steve Burchett Oil Co | | Oil Operator | Dec 2023 |
| 27376 | Steve Smith | | Gas Operator | Dec 1987 |
| 27377 | Steve'S Oilfield | | Oil Operator | Jul 1994 |
| 27378 | Steveco | | Oil Operator | Feb 1984 |
| 27379 | Steven A. Sayce | | Oil Operator | Jan 2021 |
| 27380 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 27381 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
| 27382 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 27383 | Stevens Quincy O | Oklahoma City, OK 73116-4102 | Oil & Gas Operator | Dec 2019 |
| 27384 | Stevens, Carole J. | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 27385 | Stevens, Dale E | Grayson, KY 41143 | Oil Operator | Dec 2023 |
| 27386 | Stevenson Oil Co | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 27387 | Stevenson, Albert | | Oil & Gas Operator | Jun 1979 |
| 27388 | Stevenson, Ken & Associates, Inc | La Grange, TX 78945 | Oil & Gas Operator | Sep 2002 |
| 27389 | Stevie'S Shale Well LLC | Woodhull, NY 14898 | Gas Operator | Dec 2024 |
| 27390 | Steward Energy II, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2025 |
| 27391 | Steward Energy, LLC | Frisco, TX 75034 | Oil & Gas Operator | Nov 2014 |
| 27392 | Steward Petroleum Company | | Oil & Gas Operator | Nov 1995 |
| 27393 | Stewardship Resources | Roanoke, TX 76262 | Oil & Gas Operator | Jun 2022 |
| 27394 | Stewart & Porter | Mingus, TX 76463 | Oil & Gas Operator | Apr 2002 |
| 27395 | Stewart Construction | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 27396 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 27397 | Stewart Drilling Program | Home, PA 15747-9801 | Oil & Gas Operator | Dec 2014 |
| 27398 | Stewart Family Holdings LLC | Weatherford, TX 76087 | Oil & Gas Operator | Apr 2026 |
| 27399 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | Dec 2025 |
| 27400 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |