| 28701 | TD Natural Resources LLC | Cuero, TX 77954 | Oil & Gas Operator | Nov 2025 |
| 28702 | TD Oil & Gas LLC | Duncan, OK 73533-1851 | Oil Operator | Apr 2023 |
| 28703 | TD Operating Inc | Hinton, OK 73047 | Oil & Gas Operator | Aug 2025 |
| 28704 | TDC Energy Corporation | | Oil & Gas Operator | Dec 2001 |
| 28705 | TDC Engineering, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Nov 2025 |
| 28706 | Tdi, Inc. | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 28707 | Tdoc, Inc | Evansville, IN 47716 | Oil Operator | Dec 2022 |
| 28708 | Tdot Oil, Inc. | Sedan, KS 67361 | Oil Operator | Jun 2025 |
| 28709 | TDR Construction, Inc. | Wellsville, KS 66092 | Oil Operator | Jun 2025 |
| 28710 | TDT Production, Inc. | Capitola, CA 95010 | Oil & Gas Operator | Aug 2003 |
| 28711 | TDX Energy, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 28712 | Te-Pe Oil & Gas | | Oil & Gas Operator | Jun 2025 |
| 28713 | Te-Ray Energy Inc | Oklahoma City, OK 73108 | Oil & Gas Operator | Jul 2025 |
| 28714 | Te-Ray Resources, Inc. | Oklahoma City, OK 73108 | Oil & Gas Operator | Mar 2015 |
| 28715 | Te-Ray Resources, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2025 |
| 28716 | Teaco | Snyder, TX 79550 | Oil & Gas Operator | Jan 1998 |
| 28717 | Teafatiller Limuel & Rita | Marietta, OK 73448-0321 | Oil & Gas Operator | Feb 2002 |
| 28718 | Teagarden David W | Glenford, OH 43739 | Oil & Gas Operator | Dec 2020 |
| 28719 | Teague Operating Co. | Mabank, TX 75147 | Oil & Gas Operator | Jul 1995 |
| 28720 | Teague, J. V. & Robinson, E. W. | Olney, TX 76374 | Oil & Gas Operator | May 1996 |
| 28721 | Teakwood Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2019 |
| 28722 | Teal Energy USA, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2025 |
| 28723 | Teal Exploration, LLC | Abilene, TX 79602 | Oil Operator | Nov 2025 |
| 28724 | Teal Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Oct 2021 |
| 28725 | Teal Petroleum Co. | | Oil & Gas Operator | Sep 1978 |
| 28726 | Teale F William | Tulsa, OK 74136-1017 | Oil & Gas Operator | Jun 2000 |
| 28727 | Team Operating, L.L.C. | Pinehurst, TX 77362 | Oil & Gas Operator | Nov 2025 |
| 28728 | Teamco Operating LLC | Houston, TX 77042 | Oil & Gas Operator | Oct 2002 |
| 28729 | Teapot Oil & Refining Company | Billings, MT 59101 | Oil & Gas Operator | Mar 2012 |
| 28730 | Teavee Oil & Gas, Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |
| 28731 | Tebco Oil & Gas | | Oil & Gas Operator | Sep 1996 |
| 28732 | Tec Drilling Com | | Oil Operator | Feb 1982 |
| 28733 | Tec Resources LLC | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 28734 | Tech American Re | | Oil Operator | Sep 1985 |
| 28735 | Tech Resources, Inc. | Georgetown, TX 78628 | Oil & Gas Operator | Dec 2001 |
| 28736 | Technical Energy Services, Inc. | Norman, OK 73070 | Oil & Gas Operator | Jul 2025 |
| 28737 | Technology & Engr. Careers Inc. | Houston, TX 77063 | Oil Operator | Dec 2017 |
| 28738 | Techsys Resources LLC | Houston, TX 77224 | Gas Operator | Aug 2015 |
| 28739 | Teco Oil & Gas, Inc. | Tampa, FL 33601 | Oil & Gas Operator | Nov 1997 |
| 28740 | Teco Operating Company | Athens, TX 75751 | Oil & Gas Operator | Jun 2001 |
| 28741 | Tecolote Energy Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 28742 | Tecolote Petroleum Corp.,Inc. | Friendswood, TX 77546 | Oil & Gas Operator | Mar 2011 |
| 28743 | Tecpetrol Operating LLC | Houston, TX 77027 | Oil & Gas Operator | Dec 2015 |
| 28744 | Tecton Energy Operating LLC | | Oil Operator | Apr 2009 |
| 28745 | Ted Koble Operator | | Oil & Gas Operator | Nov 2007 |
| 28746 | Tedco | | Gas Operator | Nov 1988 |
| 28747 | Tedik Limited Partnership | Williamson, WV 25661-0000 | Gas Operator | Dec 2021 |
| 28748 | Tee Cee'S Inc | Drumright, OK 74030 | Oil & Gas Operator | Jul 2025 |
| 28749 | Tee Operating Company | | Oil & Gas Operator | Jun 1989 |
| 28750 | Teel 78 A | | Gas Operator | Dec 1980 |
| 28751 | Teepee Oil & Gas Inc | Yukon, OK 73085 | Oil Operator | Dec 2006 |
| 28752 | Teg Midcontinent, Inc. | Aurora, CO 80014 | Oil Operator | Jul 2013 |
| 28753 | Tega Operating Co. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2012 |
| 28754 | Tehi Illinois, LLC | Olney, IL 62450 | Oil & Gas Operator | Feb 2019 |
| 28755 | Teichgraeber Oil | | Oil Operator | Nov 1995 |
| 28756 | Teichgraeber Oil Co. | | Oil Operator | Dec 1994 |
| 28757 | Teichgraeber Oil, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Dec 2024 |
| 28758 | Tej Ventures | | Oil & Gas Operator | Dec 2002 |
| 28759 | Tejas Gas Corp | | Oil & Gas Operator | Dec 1974 |
| 28760 | Tejas Gas Pipeline Company | Houston, TX 77010 | Oil & Gas Operator | Apr 1998 |
| 28761 | Tejas Gas Pipeline, L.P. | Houston, TX 77002 | Oil & Gas Operator | Feb 2002 |
| 28762 | Tejas Jack Sales, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2025 |
| 28763 | Tejas Operating Company, Inc. | Houston, TX 77257 | Oil & Gas Operator | May 1995 |
| 28764 | Tejas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2025 |
| 28765 | Tejas Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 28766 | Tejas Permian Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2025 |
| 28767 | Tejas Petroleum Resources, LLC | Aubrey, TX 76227 | Oil & Gas Operator | Nov 2025 |
| 28768 | Tejas Production Company | | Oil Operator | Nov 1979 |
| 28769 | Tejas Trucking, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Nov 2025 |
| 28770 | Tejas Western Corp. | Granbury, TX 76048 | Oil & Gas Operator | Jul 2018 |
| 28771 | Tejones Operating Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2025 |
| 28772 | Teke Production LLC | Houston, TX 77269 | Oil Operator | Nov 2025 |
| 28773 | Tekenergy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 28774 | Tekna Synergy Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2025 |
| 28775 | Teko Oil & Gas I | | Oil Operator | Aug 1992 |
| 28776 | Teleo Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2009 |
| 28777 | Telesis Operating Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Nov 2025 |
| 28778 | Telico Minerals, L.L.C. | | Oil & Gas Operator | Oct 2019 |
| 28779 | Tellurian Operating LLC | | Oil & Gas Operator | Jun 2024 |
| 28780 | Tellus Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 28781 | Tellus Operating Group, LLC | | Oil & Gas Operator | Aug 2025 |
| 28782 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Nov 2025 |
| 28783 | Tema Oil And Gas, LLC | Houston, TX 77040 | Oil & Gas Operator | Apr 2000 |
| 28784 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 28785 | Temagami Oil & Gas LTD | | Oil & Gas Operator | May 2007 |
| 28786 | Tember Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Nov 2025 |
| 28787 | Temblor Petroleum Co. LLC | | Oil & Gas Operator | Aug 2025 |
| 28788 | Temescal Resources LLC | | Oil & Gas Operator | Sep 2025 |
| 28789 | Temex Energy Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 28790 | Tempel Contracting, Inc. | Joplin, MT 59531 | Gas Operator | Jul 2025 |
| 28791 | Tempest Energy Resources, LP | Houston, TX 77251 | Oil & Gas Operator | Jun 2013 |
| 28792 | Tempest Oil Company, Inc. | | Oil & Gas Operator | Jul 1978 |
| 28793 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jul 2025 |
| 28794 | Temple Oil & Gas Co | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2024 |
| 28795 | Temple Oil Co | | Oil & Gas Operator | Oct 1992 |
| 28796 | Templeton Energy Inc | | Oil & Gas Operator | Jul 1987 |
| 28797 | Templeton Oil, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 1994 |
| 28798 | Tempo Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2025 |
| 28799 | Tempo Resources GP, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2013 |
| 28800 | Ten A Coal Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2020 |