| 27901 | Stearns Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Oct 1993 |
| 27902 | Steaua Romana (Us) Inc. | | Oil & Gas Operator | Apr 1987 |
| 27903 | Stebell, Jean M. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 27904 | Stebeth Gas Production, Inc. | Beaumont, KS 67012 | Oil Operator | May 1996 |
| 27905 | Steckel Oil, LLC | Russell, KS 67665 | Oil Operator | Feb 2025 |
| 27906 | Stecklein Oil Co | | Oil Operator | Jul 1993 |
| 27907 | Stecklein Oil Company, A General Partnership | Hays, KS 67601 | Oil Operator | Dec 2024 |
| 27908 | Stedman Energy Inc | Chautauqua, NY 14722 | Oil & Gas Operator | Dec 2024 |
| 27909 | Stedman Oil & Gas LLC | Hobart, OK 73651-1624 | Oil & Gas Operator | Mar 2015 |
| 27910 | Steele Jr Guy M Test Trust | Dallas, TX 75214-3756 | Gas Operator | Mar 2018 |
| 27911 | Steele VIctor Patterson | Wewoka, OK 74884-0560 | Oil & Gas Operator | Jan 2001 |
| 27912 | Steele, Mark E. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 27913 | Stefanik A Louis | Vandergrift, PA 15690-0476 | Oil & Gas Operator | Dec 2008 |
| 27914 | Steffen Resource Development, LLC | Hutchinson, KS 67502 | Oil & Gas Operator | Feb 2025 |
| 27915 | Steffey, John E | Glasgow, KY 42141 | Oil Operator | Dec 2023 |
| 27916 | Stehle Oil Company | | Oil Operator | Jun 2021 |
| 27917 | Steimle, Peter C. | Auburn, NY 13021 | Gas Operator | Dec 2023 |
| 27918 | Steinberger Bros., Inc. | Independence, KS 67301 | Oil Operator | Dec 2009 |
| 27919 | Steinberger Oil Company | Independence, KS 67301 | Oil & Gas Operator | May 2002 |
| 27920 | Steinberger, D. | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1995 |
| 27921 | Steinberger, Gerald | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2007 |
| 27922 | Steindorf, Bert Oil & Gas Co. | Floresville, TX 78114 | Oil & Gas Operator | Jun 2025 |
| 27923 | Steiner Oil And Gas | Lincolnville, KS 66858 | Oil Operator | Jan 1999 |
| 27924 | Steinforth, Loren | Yates Center, KS 66783 | Oil Operator | Sep 2014 |
| 27925 | Steinle Oil | | Oil Operator | Aug 2021 |
| 27926 | Steinman, Frank C. | Electra, TX 76360 | Oil & Gas Operator | Jun 2025 |
| 27927 | Steinwachs SR, James M | Robards, KY 42452 | Oil Operator | Dec 2023 |
| 27928 | Stekoll Oil & Gas, LTD. | | Oil Operator | Jun 1963 |
| 27929 | Stekoll Petroleu | | Oil Operator | Oct 1985 |
| 27930 | Stelbar Oil Corp | Wichita, KS 67206 | Oil & Gas Operator | Aug 1995 |
| 27931 | Stelbar Oil Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Feb 2025 |
| 27932 | Stellar Oil Company | Arvada, CO 80006 | Oil & Gas Operator | Dec 1998 |
| 27933 | Steller Energy & Investment Corp | Plano, TX 75093 | Oil & Gas Operator | Feb 2021 |
| 27934 | Stellex | De Leon, TX 76444 | Oil & Gas Operator | Jun 2025 |
| 27935 | Stelucan Energy, LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2025 |
| 27936 | Stelzer Drilling Co. Inc. | Post, TX 79356 | Oil Operator | Jun 2025 |
| 27937 | Stelzer, E.A. Oil Company | Post, TX 79356 | Oil & Gas Operator | Feb 2002 |
| 27938 | Stelzer, J. C. | Post, TX 79356 | Oil & Gas Operator | Dec 1995 |
| 27939 | Stenco | | Oil & Gas Operator | Apr 1994 |
| 27940 | Stepco Incorpora | | Oil Operator | Nov 1994 |
| 27941 | Stepco Oil, Inc. | Ellinwood, KS 67526 | Oil Operator | Jan 2020 |
| 27942 | Stepco, Inc. | Ellinwood, KS 67526 | Oil Operator | Feb 2005 |
| 27943 | Stephen Debrular Dba Stephen Gas Company | Weston, WV 26452-7396 | Gas Operator | Dec 2021 |
| 27944 | Stephen L Satterfield Production Company | Grantsville, WV 26147-0757 | Oil & Gas Operator | Nov 2021 |
| 27945 | Stephen Michael Inc | Midwest City, OK 73130-5200 | Oil & Gas Operator | Oct 2015 |
| 27946 | Stephen W. Bradford | | Oil Operator | Dec 1996 |
| 27947 | Stephens & Johnson Op Co | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2025 |
| 27948 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2025 |
| 27949 | Stephens Energy Company LLC | | Oil & Gas Operator | Jun 2012 |
| 27950 | Stephens Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Feb 2022 |
| 27951 | Stephens Energy Group LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Mar 2025 |
| 27952 | Stephens Exploration, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Apr 2025 |
| 27953 | Stephens Oil Co. | | Oil Operator | Dec 2017 |
| 27954 | Stephens Oil Company, LLC | Stephens, AR 71764 | Oil Operator | Jul 2024 |
| 27955 | Stephens Operating Inc | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2014 |
| 27956 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2025 |
| 27957 | Stephens Williston, LLC Dba Seg Williston, LLC | | Oil & Gas Operator | Apr 2025 |
| 27958 | Stephens, Autry C. | Midland, TX 79701 | Oil & Gas Operator | Mar 2023 |
| 27959 | Stephens, Clayton E. | Dallas, TX 75229 | Oil & Gas Operator | Nov 2011 |
| 27960 | Stephens, Glynn | Overton, TX 75684 | Oil & Gas Operator | Oct 2001 |
| 27961 | Stephens, Hayseed Oil Inc. | Weatherford, TX 76087 | Oil & Gas Operator | Mar 2008 |
| 27962 | Stephens, Mickie L. | MC Camey, TX 79752 | Oil & Gas Operator | Aug 1998 |
| 27963 | Stephens, Morris | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 27964 | Stephenson Group Natural Gas Co | Smicksburg, PA 16256-1710 | Gas Operator | Dec 2020 |
| 27965 | Stephenson John | | Oil Operator | Dec 1985 |
| 27966 | Stephenson L G & | | Oil Operator | Apr 1987 |
| 27967 | Stephenson Mark M | Smicksburg, PA 16256-1710 | Gas Operator | Dec 2009 |
| 27968 | Stephenson Oil & Gas, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Sep 1999 |
| 27969 | Stephenson W W Pet Corp | Edmond, OK 73003-0014 | Oil & Gas Operator | Jul 2017 |
| 27970 | Stephenson, Light | Whitsett, TX 78075 | Oil & Gas Operator | Nov 2000 |
| 27971 | Sterling Drillin | | Oil & Gas Operator | Mar 1992 |
| 27972 | Sterling Drilling Company | Pratt, KS 67124 | Oil & Gas Operator | Apr 2014 |
| 27973 | Sterling Energy Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 1995 |
| 27974 | Sterling Energy Resources, Inc. | Overland Park, KS 66212 | Oil Operator | May 2019 |
| 27975 | Sterling Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2015 |
| 27976 | Sterling Engine Service, Inc. | Alice, TX 78333 | Oil & Gas Operator | Jun 2025 |
| 27977 | Sterling Expl. & Prod. Co., LLC | Houston, TX 77057 | Oil & Gas Operator | Jun 2025 |
| 27978 | Sterling Explora | | Oil & Gas Operator | Jun 1994 |
| 27979 | Sterling Exploration | Lee'S Summit, MO 64082 | Gas Operator | Nov 1997 |
| 27980 | Sterling Inv. Group & Assc., Inc | Baytown, TX 77522 | Oil & Gas Operator | Jun 2025 |
| 27981 | Sterling Oil & G | | Oil Operator | May 1984 |
| 27982 | Sterling Oil And Gas | Weatherford, TX 76086 | Oil & Gas Operator | Jun 2025 |
| 27983 | Sterling Oil Co. | Sterling, KS 67579 | Oil Operator | Feb 2000 |
| 27984 | Sterling Oil Of Okla Inc | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2006 |
| 27985 | Sterling Operators Inc | | Oil Operator | Mar 2025 |
| 27986 | Sterling Petrole | | Oil & Gas Operator | Sep 1992 |
| 27987 | Sterling Properties Inc | Lawton, OK 73501-9601 | Oil Operator | Jan 2025 |
| 27988 | Sterlynn Oil & Gas, Inc. | Harper, TX 78631 | Oil Operator | Jun 2025 |
| 27989 | Stesco Operating Company LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 2025 |
| 27990 | Stetson Energy Corporation | Duncan, OK 73534-0098 | Oil & Gas Operator | Mar 2015 |
| 27991 | Stetson Petroleum Corp. | Rollins, MT 59931 | Oil & Gas Operator | Jun 2025 |
| 27992 | Steve Burchett Oil Co | | Oil Operator | Dec 2023 |
| 27993 | Steve Smith | | Gas Operator | Dec 1987 |
| 27994 | Steve'S Oilfield | | Oil Operator | Jul 1994 |
| 27995 | Steveco | | Oil Operator | Feb 1984 |
| 27996 | Steven A. Sayce | | Oil Operator | Jan 2021 |
| 27997 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 27998 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
| 27999 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 28000 | Stevens Quincy O | Oklahoma City, OK 73116-4102 | Oil & Gas Operator | Dec 2019 |