| 25801 | Seisma Drilling Corporation | Wichita Falls, TX 76301 | Oil Operator | Aug 2003 |
| 25802 | Seismic Investment Group, Inc. | Houston, TX 77055 | Oil & Gas Operator | Jun 2008 |
| 25803 | Seismic Leasing Service | Denver, CO 80216 | Oil & Gas Operator | Aug 2000 |
| 25804 | Seismotech Energy, Incorporated | Plano, TX 75075 | Oil & Gas Operator | Aug 2003 |
| 25805 | Seistech Development, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2007 |
| 25806 | Seitz Farms, Inc. | Phelps, NY 14532 | Gas Operator | Dec 2024 |
| 25807 | Seitz, Comegys & Seitz | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 1994 |
| 25808 | Seitz, J. R. & Adam | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2008 |
| 25809 | Seitz, J. R. & Adam, LTD. | Wichita Falls, TX 76307 | Oil Operator | Jun 2026 |
| 25810 | Sek Energy, LLC | Benedict, KS 66714 | Oil & Gas Operator | Feb 2026 |
| 25811 | Sek Oil Incorpor | | Oil Operator | Jun 1985 |
| 25812 | Selby Larry Monroe | Bartlesville, OK 74006 | Oil & Gas Operator | Apr 2020 |
| 25813 | Selco Oil And Gas Inc | Alamo, CA 94507 | Oil & Gas Operator | Mar 2026 |
| 25814 | Select Energy Investments Inc | Solon, OH 44139 | Oil & Gas Operator | Dec 2019 |
| 25815 | Select Exploration Group LLC | Eufaula, OK 74432 | Oil & Gas Operator | May 2024 |
| 25816 | Select Operating Company Inc | Dallas, TX 75225 | Oil & Gas Operator | Mar 2014 |
| 25817 | Select Water Solutions, LLC | Gainesville, TX 76240 | Oil Operator | Feb 2026 |
| 25818 | Self Brothers | Montague, TX 76251 | Oil & Gas Operator | Jun 2026 |
| 25819 | Self, Charles D. | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2016 |
| 25820 | Self, Charles Lynn | Jacksboro, TX 76458 | Oil & Gas Operator | Jun 2026 |
| 25821 | Sell Drilling LLC | | Oil Operator | Feb 2011 |
| 25822 | Sell Well Servicing Company Osage Only | | Oil & Gas Operator | Nov 2019 |
| 25823 | Sell, David E | | Oil Operator | Mar 2026 |
| 25824 | Sellers Donald J | Depew, OK 74028-2442 | Oil Operator | Jan 2013 |
| 25825 | Sellers Jack B Estate Of | Cleveland, OK 74020 | Oil & Gas Operator | Feb 2026 |
| 25826 | Sellers Lease Service, Inc. | Flatonia, TX 78941 | Oil & Gas Operator | Jun 2026 |
| 25827 | Sellers Mark A | Drumright, OK 74030 | Oil & Gas Operator | Mar 2020 |
| 25828 | Sellers O N | Henryetta, OK 74437 | Oil & Gas Operator | May 1997 |
| 25829 | Sellers&Fulton Oil LLC | Artesia, NM 88210 | Oil & Gas Operator | Jun 2021 |
| 25830 | Sellers' Lease Service | Flatonia, TX 78941 | Oil & Gas Operator | Jul 1994 |
| 25831 | Sellmeyer Eugene | Collinsville, OK 74021 | Oil & Gas Operator | Mar 2015 |
| 25832 | Sellmeyer Frank | San Rafael, CA 94901-1339 | Oil Operator | Dec 2014 |
| 25833 | Selous Energy, LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Jul 2015 |
| 25834 | Sem Operating Company LLC | Houston, TX 77042 | Oil & Gas Operator | Jun 2026 |
| 25835 | Seminole Company (The) | | Oil Operator | Dec 1994 |
| 25836 | Seminole Oil Productions LLC | Surprise, AZ 85387-2015 | Oil Operator | Apr 2020 |
| 25837 | Seminole Production Co. | Silsbee, TX 77656 | Oil & Gas Operator | Oct 2002 |
| 25838 | Seminole Tank Service | Seminole, OK 74818-1587 | Oil & Gas Operator | Feb 2026 |
| 25839 | Semo, Inc. | | Oil & Gas Operator | Feb 2002 |
| 25840 | Semper Fidelis Oil & Gas, LLC | Allen, TX 75013 | Oil & Gas Operator | Apr 2013 |
| 25841 | Senax Inc | Tulsa, OK 74105-2206 | Oil & Gas Operator | Mar 2026 |
| 25842 | Sendero Energy Inc. | Dallas, TX 75205 | Oil & Gas Operator | Jun 2026 |
| 25843 | Sendero Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 25844 | Seneca Energy Corporation | Dover, OH 44622 | Oil & Gas Operator | Dec 2020 |
| 25845 | Seneca Exploration, LLC | Wichita Falls, TX 76308 | Oil Operator | Jun 2026 |
| 25846 | Seneca Oil Company | Tulsa, OK 74121-1518 | Oil & Gas Operator | Jan 2015 |
| 25847 | Seneca Resources Co LLC | Cranberry Township, PA 16066 | Oil & Gas Operator | Mar 2026 |
| 25848 | Seneca Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2017 |
| 25849 | Seneca Stone Corporation | Seneca Falls, NY 13148 | Gas Operator | Dec 2024 |
| 25850 | Seneca Western Minerals Corp. | | Oil & Gas Operator | Dec 2009 |
| 25851 | Seneca-Cashco | | Oil & Gas Operator | Sep 1986 |
| 25852 | Senico Production Company | Irving, TX 75016-5229 | Oil & Gas Operator | Mar 2002 |
| 25853 | Senior Drilling & Expl Co Inc. | | Oil & Gas Operator | Apr 1993 |
| 25854 | Senior G&A Operating Co Inc | | Oil & Gas Operator | Nov 1991 |
| 25855 | Senkel, Wesley, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2007 |
| 25856 | Senora Resources, Inc. | Dime Box, TX 77853 | Oil & Gas Operator | Jun 2026 |
| 25857 | Senske, Richard S. | Ashville, NY 14710 | Gas Operator | Dec 2024 |
| 25858 | Sensor Oil & Gas, Inc. | Duncan, OK 73534 | Oil & Gas Operator | May 2013 |
| 25859 | Sentinel Peak Resources California LLC | | Oil & Gas Operator | Mar 2026 |
| 25860 | Sentinel Petroleum Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2020 |
| 25861 | Sentry Exploration, Inc. | Houston, TX 77006 | Oil & Gas Operator | Jun 2026 |
| 25862 | Sep Cisco Dome II, LLC | Orem, UT 84097 | Oil & Gas Operator | Mar 2026 |
| 25863 | Sep Cisco Dome LLC | Orem, UT 84097 | Oil & Gas Operator | Mar 2015 |
| 25864 | Sep Legacy LLC | Houston, TX 77024 | Oil & Gas Operator | Mar 2026 |
| 25865 | Sep Nosr LLC | Orem, UT 84097 | Oil & Gas Operator | Feb 2026 |
| 25866 | Sep, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1994 |
| 25867 | September Corp | Titusville, PA 16354-6833 | Oil & Gas Operator | Dec 2025 |
| 25868 | Sepulvado Oilfield Service Inc | | Oil & Gas Operator | Jul 2010 |
| 25869 | Sequel Energy, LLC | | Oil & Gas Operator | May 2014 |
| 25870 | Sequoia Energy Resources | Dallas, TX 75207 | Oil & Gas Operator | Jun 2026 |
| 25871 | Sequoia Exploration Inc. | | Oil & Gas Operator | Feb 2026 |
| 25872 | Sequoia Fossil Fuels, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 25873 | Sequoia Management, LLC | Houston, TX 77060 | Oil & Gas Operator | Nov 2009 |
| 25874 | Sequoia Natural Gas, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 25875 | Sequoyah Energy Holdings LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2026 |
| 25876 | Ser E&P, Inc. | McKinney, TX 75069 | Oil & Gas Operator | Jun 2026 |
| 25877 | Serco Operating LLC | Barker, TX 77413 | Oil Operator | Jun 2026 |
| 25878 | Serendipity Operating LLC | Sparks, NV 89436-9328 | Oil & Gas Operator | Feb 2026 |
| 25879 | Serendipity Production Company LC | Guthrie, OK 73044 | Oil & Gas Operator | Apr 2020 |
| 25880 | Sergeant Gas Co Inc | Wilcox, PA 15870-1810 | Oil & Gas Operator | Dec 2024 |
| 25881 | Serio Energy Corporation | | Oil & Gas Operator | Jul 2000 |
| 25882 | Serio Exploration Company | | Oil Operator | Jan 1992 |
| 25883 | Serio Oil Corp. | | Oil & Gas Operator | Sep 1991 |
| 25884 | Serio Operating Co. | | Oil & Gas Operator | Mar 2007 |
| 25885 | Serio-Punches Oil Co | | Oil Operator | Jan 2008 |
| 25886 | Serna Inc. | Austin, TX 78733 | Oil Operator | Jun 2026 |
| 25887 | Serra Energy, Inc. | Hailey, ID 83333 | Oil & Gas Operator | May 2011 |
| 25888 | Servco Productio | | Oil Operator | Dec 1992 |
| 25889 | Service Clearing Corp | Dallas, TX 75229 | Oil & Gas Operator | Jun 2026 |
| 25890 | Service Drilling Co. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 1998 |
| 25891 | Service Drilling Co., L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 2003 |
| 25892 | Service Production Company, Inc. | Santa Fe, TX 77510 | Oil & Gas Operator | May 1999 |
| 25893 | Ses Oil | | Oil Operator | Jun 2004 |
| 25894 | Ses Production | | Oil & Gas Operator | Oct 2023 |
| 25895 | Sescil, Douglas W. | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 25896 | Sessions Billy C | Muskogee, OK 74401-5323 | Oil Operator | Apr 2007 |
| 25897 | Setex Oil And Gas Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2012 |
| 25898 | Setex Oil Company, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jan 2000 |
| 25899 | Settco Oil & Gas | | Oil & Gas Operator | May 1994 |
| 25900 | Settlers Corporation | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2000 |