| 28801 | Thomas, Vernon C. | Gardner, KS 66030 | Oil Operator | Jun 2015 |
| 28802 | Thomason Oil Com | | Oil Operator | Oct 1984 |
| 28803 | Thomason Petroleum, Inc | Hays, KS 67601 | Oil Operator | Dec 2025 |
| 28804 | Thomasson Petroleum Enterprises, Inc | Bremen, KY 42325 | Oil Operator | Dec 2024 |
| 28805 | Thomfield Energy LLC | Kilgore, TX 75663 | Oil Operator | Apr 2026 |
| 28806 | Thompson Consumer Electronics | Indianapolis, IN 46290 | Oil & Gas Operator | Dec 1998 |
| 28807 | Thompson Drilling Company, Inc. | Independence, KS 67301 | Oil Operator | Sep 2001 |
| 28808 | Thompson Energy Resources LLC | | Oil & Gas Operator | Dec 2025 |
| 28809 | Thompson Engr & Prod Corp | Farmington, NM 87402 | Oil & Gas Operator | Apr 2019 |
| 28810 | Thompson Felton | Dewey, OK 74029 | Oil Operator | Jul 1999 |
| 28811 | Thompson Floyd Oil Co Inc | Boca Raton, FL 44328 | Oil & Gas Operator | Dec 1988 |
| 28812 | Thompson James R | Okmulgee, OK 74447 | Oil & Gas Operator | Sep 2025 |
| 28813 | Thompson Oil Co. | Corsicana, TX 75151 | Oil & Gas Operator | Dec 2025 |
| 28814 | Thompson Operating Co. | Abernathy, TX 79311 | Oil & Gas Operator | Aug 1994 |
| 28815 | Thompson Roy G | Bartlesville, OK 74006 | Oil & Gas Operator | Feb 1993 |
| 28816 | Thompson, Diana & Glenn | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 28817 | Thompson, Don W | Herington, KS 67449 | Oil Operator | Jul 2003 |
| 28818 | Thompson, J C | Denver, CO 80237-2843 | Oil & Gas Operator | Jul 2005 |
| 28819 | Thompson, J. Cleo | Dallas, TX 75201 | Oil & Gas Operator | May 2024 |
| 28820 | Thompson, Joe L., Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 2005 |
| 28821 | Thompson, Kenneth L | Clarence Center, NY 14032 | Gas Operator | Dec 2024 |
| 28822 | Thompson, Mark P. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 28823 | Thompson, Mark V. | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 28824 | Thompson, Richard W. Inc. | Plano, TX 75024 | Oil & Gas Operator | Apr 2026 |
| 28825 | Thompson, Timothy G. | Delevan, NY 14042 | Gas Operator | Dec 2024 |
| 28826 | Thomsen Brothers Co., LLC | Lamont, KS 66855 | Oil Operator | Dec 2025 |
| 28827 | Thor Operating Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 1995 |
| 28828 | Thor Production Co. | | Oil Operator | May 1997 |
| 28829 | Thor-Max Operating, Inc. | Plano, TX 75025 | Oil & Gas Operator | Apr 2026 |
| 28830 | Thornberry Family Partnership LTD. | New Waverly, TX 77358 | Oil Operator | Nov 2025 |
| 28831 | Thornberry Oilfield Service, Inc | Conroe, TX 77302 | Oil & Gas Operator | Aug 2003 |
| 28832 | Thorne Harold & | | Oil Operator | May 1994 |
| 28833 | Thornton & Brooks, Inc. | | Oil & Gas Operator | Oct 1990 |
| 28834 | Thornton Drilling Company Ptrnship | Eureka, KS 67045 | Oil Operator | Jun 2010 |
| 28835 | Thornton Oil Co. | Abilene, TX 79603 | Oil & Gas Operator | Aug 2003 |
| 28836 | Thornton Operating Corporation | Fort Worth, TX 76162 | Oil & Gas Operator | Jul 2014 |
| 28837 | Thornton Page Natural Gas | | Oil & Gas Operator | Dec 2024 |
| 28838 | Thornton, Michael D. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 1995 |
| 28839 | Thoroughbred Associates LLC | Wichita, KS 67226 | Oil & Gas Operator | Dec 2025 |
| 28840 | Thorp Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
| 28841 | THP Operating LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Apr 2026 |
| 28842 | THR Oil | Konawa, OK 74849 | Oil & Gas Operator | Jan 2014 |
| 28843 | Thrall Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Apr 2026 |
| 28844 | Thrall Texas Oil, LLC | | Oil & Gas Operator | Jan 2025 |
| 28845 | Thrash, Afton | Kilgore, TX 75663 | Oil & Gas Operator | Apr 1996 |
| 28846 | Three "N" One Production | | Oil & Gas Operator | Dec 2011 |
| 28847 | Three B Corporation | Fort Worth, TX 76179 | Gas Operator | Jun 2009 |
| 28848 | Three B Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 28849 | Three B, LP | Fort Worth, TX 76179 | Gas Operator | Apr 2026 |
| 28850 | Three Bros. Energy, Inc. | Ponca City, OK 74601 | Gas Operator | Dec 2013 |
| 28851 | Three C Exploration, LLC | Hebbronville, TX 78361 | Oil & Gas Operator | Apr 2026 |
| 28852 | Three D Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 28853 | Three D Petroleum LLC | | Oil Operator | Dec 2024 |
| 28854 | Three D Resources Inc | Liberal, KS 67905 | Oil & Gas Operator | Dec 2025 |
| 28855 | Three D Submersible Pumps, Inc. | Heavener, OK 74937 | Oil & Gas Operator | Aug 2003 |
| 28856 | Three Forks Operating Co, LLC | Flatonia, TX 78941 | Oil & Gas Operator | Apr 2026 |
| 28857 | Three Forks Resources, LLC | Wheat Ridge, CO 80033 | Oil & Gas Operator | Apr 2026 |
| 28858 | Three G Inc | Cody, WY 82414 | Oil & Gas Operator | Dec 1999 |
| 28859 | Three G Oil Co | Baird, TX 79504 | Oil & Gas Operator | Jun 2004 |
| 28860 | Three J Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | Apr 2026 |
| 28861 | Three J Operating Company, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2026 |
| 28862 | Three J'S Petroleum, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2026 |
| 28863 | Three MG Family Inc | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 28864 | Three Mile Joint Venture | Houston, TX 77027 | Oil & Gas Operator | Jul 1995 |
| 28865 | Three P Operating Co.,GP, L.L.C. | Newcastle, TX 76372 | Oil & Gas Operator | Apr 2026 |
| 28866 | Three P Operating Company | Newcastle, TX 76372 | Oil & Gas Operator | Nov 2007 |
| 28867 | Three Point Energy L.L.C. | Atlanta, TX 75551 | Oil Operator | Apr 2026 |
| 28868 | Three R Oil Company | Post, TX 79356 | Oil & Gas Operator | Apr 2026 |
| 28869 | Three Rivers Exploration LLC | Olpe, KS 66865 | Oil Operator | Sep 2023 |
| 28870 | Three Rivers Oper Co III LLC | Austin, TX 78735 | Oil & Gas Operator | Nov 2017 |
| 28871 | Three Rivers Operating Co II LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 28872 | Three Rivers Operating Co LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 28873 | Three S & T Oil Co., Inc. | | Oil & Gas Operator | May 1985 |
| 28874 | Three Sands Investment Company | Waukomis, OK 73773 | Oil & Gas Operator | Dec 2025 |
| 28875 | Three Sands Oil Inc | Perry, OK 73077 | Oil & Gas Operator | May 2023 |
| 28876 | Three Sisters Investments, LTD | | Oil & Gas Operator | Oct 1989 |
| 28877 | Three Sisters LLC | Cheyenne, WY 82001 | Oil Operator | Nov 2025 |
| 28878 | Three Sisters Petroleum, Inc. | Oil City, LA 71061 | Oil & Gas Operator | Jan 2025 |
| 28879 | Three Span Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 28880 | Three Star Energy Inc | | Gas Operator | Nov 1997 |
| 28881 | Three States Natural Gas | | Oil & Gas Operator | Mar 1976 |
| 28882 | Three Summits Operating LLC | Grapevine, TX 76051 | Oil & Gas Operator | Apr 2026 |
| 28883 | Three-B Oil Company, The | Monahans, TX 79756 | Oil & Gas Operator | Apr 2026 |
| 28884 | Three-C Oil And Gas | Hebbronville, TX 78361 | Oil & Gas Operator | Apr 2026 |
| 28885 | Three-C Production Company | Temple, TX 76502 | Oil Operator | Apr 2026 |
| 28886 | Three-N-One | | Oil Operator | Oct 2020 |
| 28887 | Threet David Allen | Sand Springs, OK 74063-4035 | Oil & Gas Operator | Nov 2025 |
| 28888 | Threeway Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 28889 | Thresher Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2026 |
| 28890 | Threshold Development Company | Fort Worth, TX 76109 | Oil & Gas Operator | Aug 2016 |
| 28891 | Threshold Exploration, Inc. | College Sta, TX 77842 | Oil & Gas Operator | Oct 2015 |
| 28892 | Thriftway Company | Farmington, NM 87401 | Oil & Gas Operator | Dec 1996 |
| 28893 | Thriftway Marketing Corp | Farmington, NM 87401 | Gas Operator | Apr 2000 |
| 28894 | Thrifty Well Service | Rice, TX 75155 | Oil & Gas Operator | Jun 2009 |
| 28895 | Throckmorton Oil, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Mar 2008 |
| 28896 | Throne Delaware Resources, LLC | McKinney, TX 75072 | Oil & Gas Operator | Dec 2021 |
| 28897 | Throne Petroleum Resources LLC | Houston, TX 77006 | Oil & Gas Operator | Aug 2021 |
| 28898 | Thropp, Kevin F D/B/A Marilyns Motors | | Oil & Gas Operator | Dec 2020 |
| 28899 | THT Covenant Holdings, LLC | Henrietta, TX 76365 | Oil Operator | Apr 2026 |
| 28900 | THT Operating Company | | Oil & Gas Operator | Jul 1990 |