| 26901 | Shappell Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Sep 2012 |
| 26902 | Shappell Oil Company, L.L.C. | Harrisonburg, LA 71340 | Oil & Gas Operator | Dec 2025 |
| 26903 | Shar Alan Oil Company | | Oil & Gas Operator | Oct 2005 |
| 26904 | Sharber Billy Jack Operating | Konawa, OK 74849-0071 | Oil & Gas Operator | Mar 2015 |
| 26905 | Sharber Don E | Okemah, OK 74859-0322 | Oil Operator | Dec 2018 |
| 26906 | Sharber Production Inc | Konawa, OK 74849 | Oil & Gas Operator | Dec 2024 |
| 26907 | Share Petroleum Corp. | Mabank, TX 75147 | Oil Operator | Dec 2025 |
| 26908 | Sharkey Well Service Inc | | Oil Operator | Dec 2023 |
| 26909 | Sharoco Corporation | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 1996 |
| 26910 | Sharon Hunter Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Sep 2012 |
| 26911 | Sharon Resources | | Oil Operator | Sep 1995 |
| 26912 | Sharon Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2010 |
| 26913 | Sharp Anthony G | Shawnee, OK 74802-1701 | Oil & Gas Operator | Jul 2003 |
| 26914 | Sharp Engineerin | | Oil Operator | Aug 1995 |
| 26915 | Sharp Image Energy, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Dec 2025 |
| 26916 | Sharp, Cherry L | Jacksboro, TX 76458 | Oil Operator | Dec 2025 |
| 26917 | Sharp, Harry D. | Leawood, KS 66209 | Oil Operator | May 1997 |
| 26918 | Sharp, John T. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2014 |
| 26919 | Sharp, Robert L. &/Or Cindy | | Oil Operator | Nov 2019 |
| 26920 | Sharpe Energy Company | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 26921 | Sharples Phillip T Trust | Denver, CO 80264 | Oil & Gas Operator | Nov 2020 |
| 26922 | Shattuck SWD LLC | Shattuck, OK 73858-0848 | Oil Operator | Mar 2022 |
| 26923 | Shattuck, Frank E. & Carol D. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 26924 | Shaver Tommy L | Kingfisher, OK 73750-9612 | Oil & Gas Operator | Apr 2015 |
| 26925 | Shaw George R | | Oil & Gas Operator | Mar 1992 |
| 26926 | Shaw Robert Lesl | | Oil Operator | Oct 1989 |
| 26927 | Shaw Thomas P | Tulsa, OK 74105-7327 | Oil & Gas Operator | Mar 2015 |
| 26928 | Shaw, George R. (Deceased) | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 26929 | Shaw, Henry Jr. | Midland, TX 79702 | Oil & Gas Operator | Oct 2018 |
| 26930 | Shaw, T. G. Oil Company, LTD. | Fort Worth, TX 76113 | Oil & Gas Operator | Dec 2025 |
| 26931 | Shaw-Laird, LLC | | Oil & Gas Operator | Jan 2017 |
| 26932 | Shawmar Oil & Gas | | Gas Operator | Nov 2018 |
| 26933 | Shawmar Oil & Gas Co., Inc. | Sunnyvale, TX 75182 | Oil & Gas Operator | Dec 2023 |
| 26934 | Shawmar Oil Comp | | Oil & Gas Operator | Feb 1995 |
| 26935 | Shawmut Production Corporation | Pittsburgh, PA 15219-1913 | Oil & Gas Operator | Jan 2003 |
| 26936 | Shawnee Investment Company, Inc. | Council Grove, KS 66846 | Oil Operator | Apr 2002 |
| 26937 | Shawnee Oil Development Co Inc | | Oil & Gas Operator | Oct 2025 |
| 26938 | Shawver & Shawver | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 26939 | Shawver & Son Inc | Oklahoma City, OK 73154-0778 | Oil & Gas Operator | Oct 2024 |
| 26940 | Shawver Energy Inc | Oklahoma City, OK 73154-0683 | Oil & Gas Operator | Apr 2014 |
| 26941 | Shearer James I | Blairsville, PA 15717-0337 | Oil & Gas Operator | Dec 2003 |
| 26942 | Shearer Oil Company | Graham, TX 76450 | Oil & Gas Operator | May 2002 |
| 26943 | Shearer, Robert C | Barberton, OH 44203 | Oil & Gas Operator | Dec 2021 |
| 26944 | Shearhart, Gary L. | Havana, KS 67347 | Oil Operator | Oct 2001 |
| 26945 | Shebester Inc | Maysville, OK 73057 | Oil & Gas Operator | Nov 1998 |
| 26946 | Shed Oil Company | Electra, TX 76360 | Oil Operator | Dec 2025 |
| 26947 | Sheedy Energy Production Company | | Oil Operator | Jun 2025 |
| 26948 | Sheedy, John D. | North Tonawanda, NY 14120 | Gas Operator | Dec 2024 |
| 26949 | Sheel Oil Compan | | Oil Operator | Jan 1985 |
| 26950 | Sheer Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 26951 | Sheets Exploration Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2016 |
| 26952 | Sheets George M & Judith A | Tonkawa, OK 74653 | Oil & Gas Operator | Sep 2025 |
| 26953 | Sheets, P. A. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 1994 |
| 26954 | Sheffler Industries | Phoenix, AZ 85013 | Oil Operator | Aug 1999 |
| 26955 | Shefts & Shefts, Inc. | Luling, TX 78648 | Oil & Gas Operator | Dec 2025 |
| 26956 | Shelburne Oil Company | Oklahoma City, OK 73116-7639 | Gas Operator | Feb 2020 |
| 26957 | Shelby Boswell Operator, LLC | Dallas, TX 75225 | Oil & Gas Operator | Dec 2025 |
| 26958 | Shelby H. Loe, SR. Oil Co. | | Oil Operator | Jul 1989 |
| 26959 | Shelby Operating Company | Dallas, TX 75205 | Oil & Gas Operator | Dec 2025 |
| 26960 | Shelby Operating, Inc. | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 1997 |
| 26961 | Shelby Production Co. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2009 |
| 26962 | Shelby Production, Inc. | Kilgore, TX 75663 | Gas Operator | Dec 2025 |
| 26963 | Shelby Resources LLC | Denver, CO 80207 | Oil & Gas Operator | Jun 2025 |
| 26964 | Shelby, Michael H. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2025 |
| 26965 | Shelco | Maysville, MO 64469 | Oil & Gas Operator | May 2021 |
| 26966 | Sheldon Brothers Agency | Salina, KS 67402 | Oil Operator | May 1998 |
| 26967 | Sheldon Resources, L.P. | Bryan, TX 77805 | Oil & Gas Operator | Dec 2025 |
| 26968 | Shelex Drilling Inc | Lexington, KY 40523 | Oil & Gas Operator | Dec 2024 |
| 26969 | Shelf Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 26970 | Shell Calif. Prod. Inc. | | Oil Operator | Dec 1980 |
| 26971 | Shell Frontier Oil & Gas Inc. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 26972 | Shell Land & Energy Co. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 26973 | Shell Offshore Inc. | New Orleans, LA 70161 | Oil & Gas Operator | Jan 2008 |
| 26974 | Shell Oil Co. | Houston, TX 77001 | Oil & Gas Operator | Jun 1985 |
| 26975 | Shell Oil Co. -Nola | | Oil & Gas Operator | Jun 2000 |
| 26976 | Shell Onshore Ventures Inc | Houston, TX 77210 | Gas Operator | Jun 2002 |
| 26977 | Shell Rocky Mountain Production LLC | Pinedale, WY 82941 | Oil & Gas Operator | Dec 2008 |
| 26978 | Shell Western E&P | Houston, TX 77001 | Oil & Gas Operator | Dec 2025 |
| 26979 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 26980 | Shell Western Expl & Prod Inc | Houston, TX 77251 | Oil & Gas Operator | Mar 2015 |
| 26981 | Shelley, Randall D. | Wichita, KS 67202 | Oil Operator | Jun 2025 |
| 26982 | Shelley, Richard W | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2015 |
| 26983 | Shelly Energy Inc | Berwyn, PA 19312 | Oil & Gas Operator | Oct 2025 |
| 26984 | Shelly Oil & Gas Inc | Avonmore, PA 15618-9748 | Gas Operator | Dec 2024 |
| 26985 | Shelter Petroleum,Inc | | Oil & Gas Operator | Jun 2014 |
| 26986 | Shelton Alec & Glenda | Kiefer, OK 74041 | Oil & Gas Operator | Aug 2025 |
| 26987 | Shelton Brothers | Okmulgee, OK 74447-6110 | Oil & Gas Operator | Apr 2020 |
| 26988 | Shelton Dempsey L | Glenpool, OK 74033 | Oil & Gas Operator | Dec 2018 |
| 26989 | Shelton Dempsey W | Tulsa, OK 74119-4036 | Oil & Gas Operator | Mar 2015 |
| 26990 | Shelton Oil Company LLC | Collinsville, OK 74021-5619 | Oil Operator | Aug 2025 |
| 26991 | Shelton Oil Resources LLC | Tulsa, OK 74107-4874 | Oil & Gas Operator | Sep 2025 |
| 26992 | Shelton Resources Inc | Tulsa, OK 74119-4036 | Oil & Gas Operator | Feb 2008 |
| 26993 | Shelton, Charles M. | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 26994 | Shelton, Robert | Lacygne, KS 66040 | Oil Operator | Nov 2024 |
| 26995 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Dec 2014 |
| 26996 | Shenandoah Oil Corporation | | Oil & Gas Operator | Jun 1979 |
| 26997 | Shenandoah Oil, Inc. (I) | Midland, TX 79710 | Oil & Gas Operator | Apr 1996 |
| 26998 | Shenandoah Petroleum Corporation | Midland, TX 79705 | Oil & Gas Operator | Dec 2025 |
| 26999 | Shenandoah Resources LLC | Houston, TX 77086 | Oil & Gas Operator | Apr 2020 |
| 27000 | Sheneeda Energy, LLC | O Brien, TX 79539 | Oil Operator | Jun 2025 |