| 29801 | TDR Construction, Inc. | Wellsville, KS 66092 | Oil Operator | Sep 2025 |
| 29802 | TDT Production, Inc. | Capitola, CA 95010 | Oil & Gas Operator | Aug 2003 |
| 29803 | TDX Energy, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 29804 | Te-Pe Oil & Gas | | Oil & Gas Operator | Sep 2025 |
| 29805 | Te-Ray Energy Inc | Oklahoma City, OK 73108 | Oil & Gas Operator | Nov 2025 |
| 29806 | Te-Ray Resources, Inc. | Oklahoma City, OK 73108 | Oil & Gas Operator | Mar 2015 |
| 29807 | Te-Ray Resources, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Feb 2026 |
| 29808 | Teaco | Snyder, TX 79550 | Oil & Gas Operator | Jan 1998 |
| 29809 | Teafatiller Limuel & Rita | Marietta, OK 73448-0321 | Oil & Gas Operator | Feb 2002 |
| 29810 | Teagarden David W | Glenford, OH 43739 | Oil & Gas Operator | Dec 2020 |
| 29811 | Teague Operating Co. | Mabank, TX 75147 | Oil & Gas Operator | Jul 1995 |
| 29812 | Teague, J. V. & Robinson, E. W. | Olney, TX 76374 | Oil & Gas Operator | May 1996 |
| 29813 | Teakwood Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2019 |
| 29814 | Teal Energy USA, Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 29815 | Teal Exploration, LLC | Abilene, TX 79602 | Oil Operator | Feb 2026 |
| 29816 | Teal Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Oct 2021 |
| 29817 | Teal Petroleum Co. | | Oil & Gas Operator | Sep 1978 |
| 29818 | Teale F William | Tulsa, OK 74136-1017 | Oil & Gas Operator | Jun 2000 |
| 29819 | Team Operating, L.L.C. | Pinehurst, TX 77362 | Oil & Gas Operator | Feb 2026 |
| 29820 | Teamco Operating LLC | Houston, TX 77042 | Oil & Gas Operator | Oct 2002 |
| 29821 | Teapot Oil & Refining Company | Billings, MT 59101 | Oil & Gas Operator | Mar 2012 |
| 29822 | Teavee Oil & Gas, Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |
| 29823 | Tebco Oil & Gas | | Oil & Gas Operator | Sep 1996 |
| 29824 | Tec Drilling Com | | Oil Operator | Feb 1982 |
| 29825 | Tec Resources LLC | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 29826 | Tech American Re | | Oil Operator | Sep 1985 |
| 29827 | Tech Resources, Inc. | Georgetown, TX 78628 | Oil & Gas Operator | Dec 2001 |
| 29828 | Technical Energy Services, Inc. | Norman, OK 73070 | Oil & Gas Operator | Nov 2025 |
| 29829 | Technology & Engr. Careers Inc. | Houston, TX 77063 | Oil Operator | Dec 2017 |
| 29830 | Techsys Resources LLC | Houston, TX 77224 | Gas Operator | Aug 2015 |
| 29831 | Teco Coalbed Methane, Inc. | | Gas Operator | Sep 1993 |
| 29832 | Teco Oil & Gas, Inc. | Tampa, FL 33601 | Oil & Gas Operator | Nov 1997 |
| 29833 | Teco Operating Company | Athens, TX 75751 | Oil & Gas Operator | Jun 2001 |
| 29834 | Tecolote Energy Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 29835 | Tecolote Petroleum Corp.,Inc. | Friendswood, TX 77546 | Oil & Gas Operator | Mar 2011 |
| 29836 | Tecpetrol Operating LLC | Houston, TX 77027 | Oil & Gas Operator | Dec 2015 |
| 29837 | Tecton Energy Operating LLC | | Oil Operator | Apr 2009 |
| 29838 | Ted Koble Operator | | Oil & Gas Operator | Nov 2007 |
| 29839 | Tedco | | Gas Operator | Nov 1988 |
| 29840 | Tedik Limited Partnership | Williamson, WV 25661-0000 | Gas Operator | Dec 2021 |
| 29841 | Tee Cee'S Inc | Drumright, OK 74030 | Oil & Gas Operator | Dec 2025 |
| 29842 | Tee Operating Company | | Oil & Gas Operator | Jun 1989 |
| 29843 | Teel 78 A | | Gas Operator | Dec 1980 |
| 29844 | Teel 79a | | Gas Operator | Dec 1980 |
| 29845 | Teepee Oil & Gas Inc | Yukon, OK 73085 | Oil Operator | Dec 2006 |
| 29846 | Teg Midcontinent, Inc. | Aurora, CO 80014 | Oil Operator | Jul 2013 |
| 29847 | Tega Operating Co. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2012 |
| 29848 | Tehi Illinois, LLC | Olney, IL 62450 | Oil & Gas Operator | Feb 2019 |
| 29849 | Teichgraeber Oil | | Oil Operator | Nov 1995 |
| 29850 | Teichgraeber Oil Co. | | Oil Operator | Dec 1994 |
| 29851 | Teichgraeber Oil, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Dec 2024 |
| 29852 | Tej Ventures | | Oil & Gas Operator | Dec 2002 |
| 29853 | Tejas Gas Corp | | Oil & Gas Operator | Dec 1974 |
| 29854 | Tejas Gas Pipeline Company | Houston, TX 77010 | Oil & Gas Operator | Apr 1998 |
| 29855 | Tejas Gas Pipeline, L.P. | Houston, TX 77002 | Oil & Gas Operator | Feb 2002 |
| 29856 | Tejas Jack Sales, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Feb 2026 |
| 29857 | Tejas Operating Company, Inc. | Houston, TX 77257 | Oil & Gas Operator | May 1995 |
| 29858 | Tejas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 29859 | Tejas Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 29860 | Tejas Permian Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 29861 | Tejas Petroleum Resources, LLC | Aubrey, TX 76227 | Oil & Gas Operator | Feb 2026 |
| 29862 | Tejas Production Company | | Oil Operator | Nov 1979 |
| 29863 | Tejas Trucking, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Feb 2026 |
| 29864 | Tejas Western Corp. | Granbury, TX 76048 | Oil & Gas Operator | Jul 2018 |
| 29865 | Tejones Operating Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Feb 2026 |
| 29866 | Teke Production LLC | Houston, TX 77269 | Oil Operator | Feb 2026 |
| 29867 | Tekenergy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 29868 | Tekna Synergy Corporation | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 29869 | Teko Oil & Gas I | | Oil Operator | Aug 1992 |
| 29870 | Teleo Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2009 |
| 29871 | Telesis Operating Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2026 |
| 29872 | Telico Minerals, L.L.C. | | Oil & Gas Operator | Oct 2019 |
| 29873 | Tellurian Operating LLC | | Oil & Gas Operator | Jun 2024 |
| 29874 | Tellus Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 29875 | Tellus Operating Group, LLC | | Oil & Gas Operator | Nov 2025 |
| 29876 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Feb 2026 |
| 29877 | Tema Oil And Gas, LLC | Houston, TX 77040 | Oil & Gas Operator | Apr 2000 |
| 29878 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 29879 | Temagami Oil & Gas LTD | | Oil & Gas Operator | May 2007 |
| 29880 | Tember Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Feb 2026 |
| 29881 | Temblor Petroleum Co. LLC | | Oil & Gas Operator | Nov 2025 |
| 29882 | Temescal Resources LLC | | Oil & Gas Operator | Dec 2025 |
| 29883 | Temex Energy Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 29884 | Tempel Contracting, Inc. | Joplin, MT 59531 | Gas Operator | Nov 2025 |
| 29885 | Tempest Energy Resources, LP | Houston, TX 77251 | Oil & Gas Operator | Jun 2013 |
| 29886 | Tempest Oil Company, Inc. | | Oil & Gas Operator | Jul 1978 |
| 29887 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2025 |
| 29888 | Temple & Roark | | Oil & Gas Operator | Sep 1981 |
| 29889 | Temple Oil & Gas Co | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2024 |
| 29890 | Temple Oil Co | | Oil & Gas Operator | Oct 1992 |
| 29891 | Temple Resources LLC | | Oil Operator | Nov 2025 |
| 29892 | Templeton Energy Inc | | Oil & Gas Operator | Jul 1987 |
| 29893 | Templeton Oil, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 1994 |
| 29894 | Tempo Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 29895 | Tempo Resources GP, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2013 |
| 29896 | Ten A Coal Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2020 |
| 29897 | Ten Grand Energy Company Inc | Nachogdoches, TX 75963-1880 | Oil Operator | Mar 2011 |
| 29898 | Tenaska Res LLC | Canonsburg, PA 15317 | Gas Operator | May 2020 |
| 29899 | Tend Oil Inc. | Tyler, TX 75703 | Oil & Gas Operator | Jul 1995 |
| 29900 | Tender Equity Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 2007 |