| 26801 | Somex Energy Company | San Antonio, TX 78230 | Oil & Gas Operator | Mar 2002 |
| 26802 | Somoco Inc | | Oil & Gas Operator | Jul 2026 |
| 26803 | Somont Oil Co., Inc. | Spring, TX 77379 | Oil & Gas Operator | Jun 2026 |
| 26804 | Son-Dad Oil & Gas | | Oil & Gas Operator | Dec 1994 |
| 26805 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 26806 | Sonat Exploration Co. - Houston | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 26807 | Sonat Exploration Co. - Midland | Houston, TX 77251 | Oil & Gas Operator | Mar 1999 |
| 26808 | Sonat Exploration Company -Tyler | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 26809 | Sonat Exploration Company-MCR | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 26810 | Sonat Exploration Gom Inc. | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 26811 | Sonata Oil & Gas Corp Inc | Stratford, OK 74812 | Oil & Gas Operator | Apr 2014 |
| 26812 | Sonerra Resources Corporation | Nacogdoches, TX 75963 | Oil & Gas Operator | Sep 2026 |
| 26813 | Song Production Company | Lindsay, OK 73052-0369 | Oil & Gas Operator | Jun 2015 |
| 26814 | Songer Harriett R | Brookville, PA 15825-5367 | Oil & Gas Operator | Dec 2010 |
| 26815 | Sonkar, Inc. | Sunburst, MT 59482 | Oil Operator | Jul 2026 |
| 26816 | Sonny King | | Oil & Gas Operator | Jan 2025 |
| 26817 | Sonny King Production | | Oil & Gas Operator | Jan 2025 |
| 26818 | Sonny'S Tank Trucks Inc | Ratliff City, OK 73481 | Oil Operator | Jul 2026 |
| 26819 | Sonoble Operating, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jun 2003 |
| 26820 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
| 26821 | Sonoma Resources LLC | Andover, KS 67002 | Oil & Gas Operator | May 2026 |
| 26822 | Sonora Petroleum Corp. | Austin, TX 78734 | Oil & Gas Operator | Sep 2026 |
| 26823 | Sonora Producing, Inc. | | Oil & Gas Operator | May 2006 |
| 26824 | Sonoran Energy Inc. | Addison, TX 75001 | Oil & Gas Operator | Sep 2026 |
| 26825 | Sonterra Energy LLC | Wichita, KS 67226 | Oil & Gas Operator | Jul 2022 |
| 26826 | Sonterra Oil & Gas, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Sep 2026 |
| 26827 | Sonterra Operating, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2026 |
| 26828 | Sooner Acquisition Corp | Wichita, KS 67206 | Oil & Gas Operator | Sep 1993 |
| 26829 | Sooner Corp | | Oil & Gas Operator | Oct 1990 |
| 26830 | Sooner Crude Inc | Tulsa, OK 74136-9107 | Oil & Gas Operator | Sep 2008 |
| 26831 | Sooner Drilling Inc | Shawnee, OK 74802-0037 | Oil & Gas Operator | Jan 2005 |
| 26832 | Sooner Energy LLC | Norman, OK 73069 | Oil & Gas Operator | Sep 2005 |
| 26833 | Sooner Exploration & Development Co Inc | Enid, OK 73702-3525 | Oil & Gas Operator | Oct 2023 |
| 26834 | Sooner Oil & Gas LLC | Fairview, OK 73737-1806 | Oil & Gas Operator | Jul 2026 |
| 26835 | Sooner Oil & Gas Management Inc | Crescent, OK 73928 | Oil & Gas Operator | Jul 2026 |
| 26836 | Sooner Oilfield Services Inc | Piedmont, OK 73078-0810 | Oil & Gas Operator | May 2024 |
| 26837 | Sooner Operating Co Inc | Casper, WY 83602 | Oil Operator | Jul 2026 |
| 26838 | Sooner Pipe & Supply Corp | | Oil & Gas Operator | Nov 2004 |
| 26839 | Sooner Resources, Inc. | | Oil & Gas Operator | Mar 1987 |
| 26840 | Sooner Trend Exploration Inc | Kingfisher, OK 73750-4752 | Oil & Gas Operator | Dec 2015 |
| 26841 | Sopac Exploration Inc | Drumright, OK 74030 | Oil & Gas Operator | Jun 1993 |
| 26842 | Soper Production | | Oil & Gas Operator | Dec 2011 |
| 26843 | Sorensen, Kim A. | Abbyville, KS 67510 | Oil Operator | Mar 2026 |
| 26844 | Sorrels J R Dba Cheyenne Oil Properties | Ponca City, OK 74601 | Oil & Gas Operator | Jul 2022 |
| 26845 | Sorto, Peters God | Somerset, TX 78069 | Oil Operator | Sep 2026 |
| 26846 | Soto Inc. | Ozona, TX 76943 | Oil & Gas Operator | Aug 2020 |
| 26847 | Sotol Energy, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2025 |
| 26848 | Sotrana-Texas Corp. | | Oil & Gas Operator | Oct 1984 |
| 26849 | Sotta, Donald E. | McCune, KS 66753 | Oil Operator | May 2026 |
| 26850 | Soule, Gilbert A. | Madison, KS 66860 | Oil Operator | Jan 2002 |
| 26851 | Soule, Richard A. | Eureka, KS 67045 | Oil Operator | Sep 2019 |
| 26852 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Jun 2026 |
| 26853 | Sound Resources Corporation | | Oil & Gas Operator | Dec 2003 |
| 26854 | Sounion Petroleum Incorporated | Baltimore, MD 21218 | Oil & Gas Operator | Aug 1994 |
| 26855 | Source Energy Corp. | | Gas Operator | Aug 2022 |
| 26856 | Source Energy Midcon LLC | Highlands Ranch, CO 80129 | Oil Operator | Jul 2015 |
| 26857 | Source Petroleum | Wichita, KS 67202 | Oil & Gas Operator | Oct 1993 |
| 26858 | Source Petroleum Inc. | San Antonio, TX 78265 | Oil & Gas Operator | Sep 2026 |
| 26859 | Sours Thomas J | Sharon Center, OH 44274 | Oil & Gas Operator | Dec 2022 |
| 26860 | South Bay Oil Corporation | Wichita, KS 67202 | Oil Operator | Dec 2019 |
| 26861 | South Bay Resources, L.L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2026 |
| 26862 | South Burbank Petroleum Corporation | Midland, TX 79707-9027 | Oil Operator | Feb 2010 |
| 26863 | South Carlton Operating Company, LLC | | Oil Operator | Jun 2026 |
| 26864 | South Central Oil And Gas | | Oil & Gas Operator | Feb 2014 |
| 26865 | South Central Petroleum, Inc. | | Oil & Gas Operator | Dec 1988 |
| 26866 | South Central Texas Oil & Gas Co | Houston, TX 77060 | Oil & Gas Operator | Sep 2026 |
| 26867 | South Coast Oil Corporation | Boulder, CO 80302 | Oil & Gas Operator | Oct 2015 |
| 26868 | South Coast Oil, Inc. | | Oil & Gas Operator | Jul 1989 |
| 26869 | South Florida Investment Company | Pampa, TX 79066 | Oil & Gas Operator | Jun 1997 |
| 26870 | South Fork Energy, LLC - (Ca) | | Oil Operator | Dec 2021 |
| 26871 | South Fork Ranch | | Oil & Gas Operator | Feb 2013 |
| 26872 | South Forty Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Oct 1993 |
| 26873 | South Forty Inc (The) | Laverne, OK 73848 | Oil & Gas Operator | Mar 2015 |
| 26874 | South Heart Company | | Oil Operator | Aug 2010 |
| 26875 | South Houston Production Company | Muenster, TX 76252 | Oil & Gas Operator | Sep 2026 |
| 26876 | South La. Production Co., Inc. | | Oil & Gas Operator | Jun 1982 |
| 26877 | South Leeville, LLC | Houston, TX 77069 | Oil & Gas Operator | Oct 2022 |
| 26878 | South Loop Operating, L.C. | San Antonio, TX 78279 | Oil & Gas Operator | Apr 2009 |
| 26879 | South Oak Production Company | | Oil & Gas Operator | Jun 2010 |
| 26880 | South Of Briles | | Oil Operator | Aug 1989 |
| 26881 | South Oil, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 26882 | South Pass Petroleum Inc | Casper, WY 82601 | Oil & Gas Operator | Jul 2026 |
| 26883 | South Ranch Corporation | Midland, TX 79707 | Oil Operator | Sep 2019 |
| 26884 | South Ranch Oil | | Gas Operator | Dec 1990 |
| 26885 | South Ranch Oil Company Inc | St. Louis, MO 63124 | Oil Operator | Sep 1996 |
| 26886 | South River Operating, LLC | | Oil & Gas Operator | Dec 2016 |
| 26887 | South Romeo Gas Storage Company LLC | | Gas Operator | Feb 1994 |
| 26888 | South Sam Operating Company, LLC | Lakehills, TX 78063 | Oil Operator | Sep 2026 |
| 26889 | South Sands Exploration LLC | Henryetta, OK 74437-4208 | Oil & Gas Operator | Apr 2026 |
| 26890 | South Shore Energy LLC | Geneva, OH 44041 | Oil & Gas Operator | Dec 2025 |
| 26891 | South Texas Drilling & Expl, Inc | San Antonio, TX 78217 | Oil & Gas Operator | Jan 1999 |
| 26892 | South Texas Injection Company | Mineral, TX 78125 | Oil & Gas Operator | Dec 2016 |
| 26893 | South Texas Limited Partnership | Houston, TX 77060 | Oil & Gas Operator | Feb 1994 |
| 26894 | South Texas Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Sep 2026 |
| 26895 | South Texas SWD, Inc. | Beeville, TX 78104 | Oil & Gas Operator | Aug 2003 |
| 26896 | Southampton Mineral Corp. | | Oil & Gas Operator | Aug 2005 |
| 26897 | Southbound Gas Company | Dallas, TX 75201 | Gas Operator | Aug 2026 |
| 26898 | Southbrook Energies Inc | Tulsa, OK 74153 | Oil Operator | Feb 2004 |
| 26899 | Southco Oil And Gas Inc. | | Oil & Gas Operator | Nov 2000 |
| 26900 | Southcoast Production Inc | Houston, TX 77010 | Oil & Gas Operator | Sep 2026 |