| 10801 | Tag Enterprises Inc | Shelocta, PA 15774-0310 | Gas Operator | Dec 2016 |
| 10802 | Tag Oil | La Vernia, TX 78121 | Oil Operator | Oct 2025 |
| 10803 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | Oct 2025 |
| 10804 | Tag Team Resources LLC | Eufaula, OK 74432 | Oil & Gas Operator | Jun 2025 |
| 10805 | Tahiti PTRS Enrgy Solutions Corp | Long Beach, CA 90807 | Oil Operator | Oct 2025 |
| 10806 | Tahoe Energy, Inc. | Midland, TX 79703 | Oil & Gas Operator | Jul 1996 |
| 10807 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 10808 | Tal-Con, Inc. | Houston, TX 77279 | Oil & Gas Operator | Oct 2025 |
| 10809 | Talaria Oil & Gas LLC | Denver, CO 80203 | Oil Operator | Oct 2025 |
| 10810 | Talbert, Eugene Operating Co,Inc | Tyler, TX 75702 | Oil & Gas Operator | Dec 1997 |
| 10811 | Talbott, Stan C. | Midland, TX 79701 | Oil & Gas Operator | Feb 2005 |
| 10812 | Taleeho Energy Co. | Normangee, TX 77871 | Oil & Gas Operator | Jun 2003 |
| 10813 | Talisman Energy USA Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | May 2016 |
| 10814 | Talisman Resources, Inc. | Argyle, TX 76226 | Oil & Gas Operator | Mar 1995 |
| 10815 | Tall City Operations III LLC | Midland, TX 79702 | Oil & Gas Operator | Jun 2023 |
| 10816 | Tall City Operations LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2016 |
| 10817 | Tall Dune Resources, LLC | Boerne, TX 78006 | Oil & Gas Operator | Oct 2025 |
| 10818 | Talley Resources, Inc. | Houma, LA 70360 | Oil & Gas Operator | Apr 1993 |
| 10819 | Talley, Don R. | Holliday, TX 76366 | Oil & Gas Operator | Jun 2002 |
| 10820 | Talley, W.T. | Olney, TX 76374 | Oil & Gas Operator | May 2005 |
| 10821 | Tallgrass Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2025 |
| 10822 | Tallgrass Production Company LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Mar 2014 |
| 10823 | Talon Development Company | Boerne, TX 78006 | Oil & Gas Operator | Sep 2007 |
| 10824 | Talon Oil & Gas LLC | Dallas, TX 75243 | Oil & Gas Operator | Dec 2010 |
| 10825 | Talon Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 2025 |
| 10826 | Talos Gulf Coast Onshore LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 10827 | Talus Inc | Graham, TX 76450-1210 | Oil & Gas Operator | Feb 2017 |
| 10828 | Tam2 Squared Energy Services,LLC | Rockwall, TX 75032 | Oil Operator | Oct 2025 |
| 10829 | Tam2 Squared Operating, LLC | Rockwall, TX 75032 | Oil & Gas Operator | Oct 2025 |
| 10830 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 10831 | Tamarron Resources, Inc. | Azle, TX 76020 | Oil & Gas Operator | Oct 2025 |
| 10832 | Tamer Oil & Gas | Seminole, TX 79360 | Oil & Gas Operator | Oct 2025 |
| 10833 | Tammany Exploration Company LLC | Houston, TX 77070 | Gas Operator | Jul 2012 |
| 10834 | Tampke Service Co. | Devine, TX 78016 | Oil Operator | Oct 2025 |
| 10835 | Tana Exploration Company LLC | Dallas, TX 75219 | Oil & Gas Operator | Aug 2021 |
| 10836 | Tana Oil And Gas Corporation | Irving, TX 75062 | Oil & Gas Operator | Mar 2000 |
| 10837 | Tandem Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 10838 | Tanglehead Operating, LLC | La Vernia, TX 78121 | Oil Operator | Oct 2025 |
| 10839 | Tanglewood Oil & Gas Co. | Gouldbusk, TX 76845 | Oil & Gas Operator | Oct 2025 |
| 10840 | Tanglewood Oil & Gas LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2017 |
| 10841 | Tankersley, D. C. | Abilene, TX 79601 | Oil & Gas Operator | Sep 2002 |
| 10842 | Tanos Exploration II, LLC | Tyler, TX 75701 | Oil & Gas Operator | Sep 2023 |
| 10843 | Tanos Exploration IV, LLC | Tyler, TX 75703 | Oil & Gas Operator | Oct 2025 |
| 10844 | Tanos Exploration, LLC | Houston, TX 77010 | Oil & Gas Operator | Oct 2018 |
| 10845 | Tanos Production, Inc. | Houston, TX 77077 | Oil & Gas Operator | Aug 2003 |
| 10846 | Taos Resources Operating Co LLC | Houston, TX 77037 | Oil & Gas Operator | Dec 2019 |
| 10847 | Tap Operating Company, Inc. | Mexia, TX 76667 | Oil & Gas Operator | May 1995 |
| 10848 | Tap Rock Operating, LLC | Denver, CO 80203 | Oil & Gas Operator | Oct 2025 |
| 10849 | Tapstone Energy LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jul 2025 |
| 10850 | Tara Company, The | Wichita Falls, TX 76301 | Oil Operator | Sep 2003 |
| 10851 | Tara Operating Co. | Lamesa, TX 79331 | Oil & Gas Operator | Aug 2003 |
| 10852 | Tare Resources, LLC | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Oct 2025 |
| 10853 | Targa Midstream Services LLC | Houston, TX 77002 | Oil Operator | Mar 2023 |
| 10854 | Targa Pipeline Mid-Continent LLC | Sulphur, LA 70665 | Oil & Gas Operator | Jun 2018 |
| 10855 | Targo Oil & Gas, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 10856 | Tarpon Oil & Gas Co. | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2025 |
| 10857 | Tarpon Oil Company | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2017 |
| 10858 | Tarpon Resources, LP | Midland, TX 79704 | Gas Operator | Oct 2025 |
| 10859 | Tarrant Operators, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 1994 |
| 10860 | Tartan Resources Corporation | Houston, TX 77251 | Oil & Gas Operator | Oct 1995 |
| 10861 | Tasca Exploration Company | Houston, TX 77257 | Oil & Gas Operator | Jun 2002 |
| 10862 | Tascosa Energy Partners, L.L.C | Midland, TX 79701 | Oil & Gas Operator | Jul 2025 |
| 10863 | Tascosa Petroleum Corporation | Amarillo, TX 79105 | Oil & Gas Operator | Oct 2025 |
| 10864 | Tat, Inc. | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2023 |
| 10865 | Tatanka Operating, LLC | Whitesboro, TX 76273 | Oil & Gas Operator | Oct 2025 |
| 10866 | Tate, Larry V. Operating, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Apr 2002 |
| 10867 | Taubert & Steed | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2001 |
| 10868 | Taurus Exploration U.S.A., Inc. | Midland, TX 79705 | Oil & Gas Operator | Nov 1998 |
| 10869 | Taurus Minerals, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 10870 | Taurus Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 10871 | Taurus Petroleum, Inc. (A) | San Antonio, TX 78259 | Oil & Gas Operator | Jul 1996 |
| 10872 | Tawa Operating Co., Inc. | Mertzon, TX 76941 | Oil & Gas Operator | May 2019 |
| 10873 | Tayco Petroleum | Abilene, TX 79608 | Oil & Gas Operator | Nov 1996 |
| 10874 | Taylor & Smith | Gainesville, TX 76240 | Oil & Gas Operator | Oct 2025 |
| 10875 | Taylor Energy Corporation | Amarillo, TX 79114 | Oil & Gas Operator | Feb 1999 |
| 10876 | Taylor Oil & Gas Serv | Snyder, TX 79549 | Oil Operator | Oct 2025 |
| 10877 | Taylor Properties | Wichita Falls, TX 76301 | Gas Operator | Oct 2025 |
| 10878 | Taylor Two Energy, LLC | Big Spring, TX 79720 | Oil & Gas Operator | Aug 2019 |
| 10879 | Taylor, Ben J. Inc. | Fort Worth, TX 76185 | Oil & Gas Operator | Feb 2022 |
| 10880 | Taylor, Dutch | Graham, TX 76450 | Oil & Gas Operator | Jan 2016 |
| 10881 | Taylor, Frank Well Service | Cross Plains, TX 76443 | Oil & Gas Operator | Aug 2003 |
| 10882 | Taylor, G. E. | Bridgeport, TX 76426 | Oil & Gas Operator | Jan 2001 |
| 10883 | Taylor, G. E. Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jul 2007 |
| 10884 | Taylor, Gordon Oil Company | Sunray, TX 79086 | Oil & Gas Operator | Apr 1996 |
| 10885 | Taylor, Gordon Oil Company, LP | Sunray, TX 79086 | Oil & Gas Operator | Feb 2014 |
| 10886 | Taylor, J. S. Inc. | Lewisville, TX 75057 | Oil & Gas Operator | Oct 2025 |
| 10887 | Taylor, Raymond C. Jr. | Woodway, TX 76712 | Oil & Gas Operator | Dec 2012 |
| 10888 | Taylor, Smith And Kimbell | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 10889 | Taylor-Clayton-Hawley | Wichita Falls, TX 76301 | Oil & Gas Operator | Nov 2019 |
| 10890 | Taylor-Link Operating Co. | Midland, TX 79702 | Oil & Gas Operator | Apr 2017 |
| 10891 | Taylor-McIlhenny Oper. Co., Inc. | Lewisville, TX 75029 | Oil & Gas Operator | Jan 1996 |
| 10892 | TB Operating, LLC | Borger, TX 79008 | Oil & Gas Operator | Jun 2018 |
| 10893 | TB Petroleum, LLC | Petrolia, TX 76377 | Oil & Gas Operator | Oct 2025 |
| 10894 | TBC Petroleum | Cuero, TX 77954 | Oil & Gas Operator | Sep 2023 |
| 10895 | TBM Catarina, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 10896 | TC Energy LLC | Covington, OK 73730-2116 | Oil & Gas Operator | Sep 2014 |
| 10897 | TC Oil And Gas, LLC | Denton, TX 76205 | Oil Operator | Oct 2025 |
| 10898 | TC3 Energy Company | Dallas, TX 75248 | Oil & Gas Operator | Oct 2025 |
| 10899 | TC3 Energy Services Company | Bryan, TX 77805 | Oil & Gas Operator | Jan 2005 |
| 10900 | TCF Energy, Inc. | Midland, TX 79704 | Oil & Gas Operator | Dec 2004 |