| 28701 | Tarrant Operators, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 1994 |
| 28702 | Tarrant Tracy Dba Trace Oil | Crescent, OK 73028 | Oil & Gas Operator | Feb 2021 |
| 28703 | Tartan Resources Corporation | Houston, TX 77251 | Oil & Gas Operator | Oct 1995 |
| 28704 | Tarter Bros | Dunnville, KY 42528 | Oil Operator | Dec 2023 |
| 28705 | Tarter, David | Dunnville, KY 45528 | Oil & Gas Operator | Dec 2023 |
| 28706 | Tarter, Donald & David | Dunnville, KY 42528 | Oil Operator | Dec 2020 |
| 28707 | Tarwater Oil & Gas LLC | San Jose, CA 95128-4219 | Oil & Gas Operator | Dec 2023 |
| 28708 | Tasca Exploration Company | Houston, TX 77257 | Oil & Gas Operator | Jun 2002 |
| 28709 | Tascosa Energy Partners, L.L.C | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 28710 | Tascosa Petroleum Corporation | Amarillo, TX 79105 | Oil & Gas Operator | Jul 2025 |
| 28711 | Tat, Inc. | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2023 |
| 28712 | Tatanka Operating, LLC | Whitesboro, TX 76273 | Oil & Gas Operator | Jul 2025 |
| 28713 | Tatco Petroleum Oper Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 1989 |
| 28714 | Tatco, Inc. | | Oil & Gas Operator | May 1991 |
| 28715 | Tate Exploration | Lakin, KS 67860 | Oil & Gas Operator | Sep 1994 |
| 28716 | Tate Gas Company | Glenville, WV 26351-0000 | Oil & Gas Operator | Dec 2021 |
| 28717 | Tate, Larry V. Operating, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Apr 2002 |
| 28718 | Tatonka Oil Co LLC | Columbus, OH 43201-3684 | Oil & Gas Operator | Dec 2024 |
| 28719 | Tatum Petroleum Co LLC | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2018 |
| 28720 | Tatum Petroleum Corporation | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2008 |
| 28721 | Tau Ventures | Tulsa, OK 74105-1026 | Oil & Gas Operator | Apr 2025 |
| 28722 | Taubert & Steed | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2001 |
| 28723 | Taurus Exploration U.S.A., Inc. | Midland, TX 79705 | Oil & Gas Operator | Nov 1998 |
| 28724 | Taurus Exploration, Inc. | | Oil & Gas Operator | Mar 2025 |
| 28725 | Taurus Minerals Inc /Osage Only | | Oil Operator | Aug 2013 |
| 28726 | Taurus Minerals, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 28727 | Taurus Oil Compa | | Oil Operator | Oct 1994 |
| 28728 | Taurus Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Jul 2025 |
| 28729 | Taurus Petr-Fieldcrest Petr | | Oil & Gas Operator | Apr 1989 |
| 28730 | Taurus Petroleum | | Oil & Gas Operator | Jul 1987 |
| 28731 | Taurus Petroleum, Inc. (A) | San Antonio, TX 78259 | Oil & Gas Operator | Jul 1996 |
| 28732 | Tauy Oil, Inc | Baldwin City, KS 66006 | Oil Operator | Mar 2025 |
| 28733 | Tawa Operating Co., Inc. | Mertzon, TX 76941 | Oil & Gas Operator | May 2019 |
| 28734 | Tayco Petroleum | Abilene, TX 79608 | Oil & Gas Operator | Nov 1996 |
| 28735 | Taylor & Smith | Gainesville, TX 76240 | Oil & Gas Operator | Jul 2025 |
| 28736 | Taylor Cliff | | Oil & Gas Operator | Apr 2025 |
| 28737 | Taylor Energy Co. | | Oil & Gas Operator | May 1991 |
| 28738 | Taylor Energy Corporation | Amarillo, TX 79114 | Oil & Gas Operator | Feb 1999 |
| 28739 | Taylor Explorati | | Oil & Gas Operator | Jun 1985 |
| 28740 | Taylor Florence | | Oil Operator | Mar 1995 |
| 28741 | Taylor International Inc | Drumright, OK 74030-1173 | Oil & Gas Operator | Mar 2020 |
| 28742 | Taylor James A | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2013 |
| 28743 | Taylor Lee | MT Gilead, OH 43338 | Oil Operator | Dec 1993 |
| 28744 | Taylor Oil #13 LLC | Lander, WY 82520 | Oil Operator | May 2025 |
| 28745 | Taylor Oil & Gas Serv | Snyder, TX 79549 | Oil Operator | Jul 2025 |
| 28746 | Taylor Oil Co. | Edmond, OK 73034 | Oil & Gas Operator | Mar 2025 |
| 28747 | Taylor Petroleum LLC | Crescent, OK 73028-0340 | Oil & Gas Operator | Dec 2016 |
| 28748 | Taylor Production Company | Collinsville, OK 74021 | Oil Operator | Nov 1998 |
| 28749 | Taylor Properties | Wichita Falls, TX 76301 | Gas Operator | Jul 2025 |
| 28750 | Taylor R C Companies Inc | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | May 2021 |
| 28751 | Taylor R Clark Exploration Inc | | Oil & Gas Operator | Aug 1992 |
| 28752 | Taylor Two Energy, LLC | Big Spring, TX 79720 | Oil & Gas Operator | Aug 2019 |
| 28753 | Taylor, Ben J. Inc. | Fort Worth, TX 76185 | Oil & Gas Operator | Feb 2022 |
| 28754 | Taylor, Dutch | Graham, TX 76450 | Oil & Gas Operator | Jan 2016 |
| 28755 | Taylor, Frank Well Service | Cross Plains, TX 76443 | Oil & Gas Operator | Aug 2003 |
| 28756 | Taylor, G. E. | Bridgeport, TX 76426 | Oil & Gas Operator | Jan 2001 |
| 28757 | Taylor, G. E. Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jul 2007 |
| 28758 | Taylor, Gordon Oil Company | Sunray, TX 79086 | Oil & Gas Operator | Apr 1996 |
| 28759 | Taylor, Gordon Oil Company, LP | Sunray, TX 79086 | Oil & Gas Operator | Feb 2014 |
| 28760 | Taylor, J. S. Inc. | Lewisville, TX 75057 | Oil & Gas Operator | Jul 2025 |
| 28761 | Taylor, Raymond C. Jr. | Woodway, TX 76712 | Oil & Gas Operator | Dec 2012 |
| 28762 | Taylor, Smith And Kimbell | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 28763 | Taylor, W H | | Gas Operator | Dec 2004 |
| 28764 | Taylor-Brown Ope | | Oil Operator | Sep 1988 |
| 28765 | Taylor-Clayton-Hawley | Wichita Falls, TX 76301 | Oil & Gas Operator | Nov 2019 |
| 28766 | Taylor-Cranor Oi | | Oil Operator | Dec 1987 |
| 28767 | Taylor-Link Operating Co. | Midland, TX 79702 | Oil & Gas Operator | Apr 2017 |
| 28768 | Taylor-McIlhenny Oper. Co., Inc. | Lewisville, TX 75029 | Oil & Gas Operator | Jan 1996 |
| 28769 | Taza Energy, Inc. | | Oil & Gas Operator | Nov 2009 |
| 28770 | TB Operating, LLC | Borger, TX 79008 | Oil & Gas Operator | Jun 2018 |
| 28771 | TB Petroleum, LLC | Petrolia, TX 76377 | Oil & Gas Operator | Jul 2025 |
| 28772 | TB Properties | | Oil & Gas Operator | Apr 2025 |
| 28773 | TBC Petroleum | Cuero, TX 77954 | Oil & Gas Operator | Sep 2023 |
| 28774 | Tbi Exploration Inc | Englewood, CO 801556525 | Oil & Gas Operator | Jun 2011 |
| 28775 | Tbi Production Company | Lakewood, CO 80228 | Oil & Gas Operator | Oct 2004 |
| 28776 | TBM Catarina, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2025 |
| 28777 | TBR Operating Company Inc. | | Gas Operator | Dec 2024 |
| 28778 | TC Energy LLC | Covington, OK 73730-2116 | Oil & Gas Operator | Sep 2014 |
| 28779 | TC Oil And Gas, LLC | Denton, TX 76205 | Oil Operator | Jul 2025 |
| 28780 | TC Oil LLC | Duncan, OK 73533 | Oil Operator | May 2025 |
| 28781 | TC3 Energy Company | Dallas, TX 75248 | Oil & Gas Operator | Jul 2025 |
| 28782 | TC3 Energy Services Company | Bryan, TX 77805 | Oil & Gas Operator | Jan 2005 |
| 28783 | TC3 Operating Co. | Dallas, TX 75248 | Oil & Gas Operator | Jul 1996 |
| 28784 | TCC Royalty Corporation | Centennial, CO 80112 | Gas Operator | Sep 2005 |
| 28785 | TCF Energy, Inc. | Midland, TX 79704 | Oil & Gas Operator | Dec 2004 |
| 28786 | TCF Inc | | Gas Operator | Dec 1993 |
| 28787 | Tchefuncte Natural Resources, L.L.C. | | Oil & Gas Operator | Aug 2011 |
| 28788 | Tcina Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2023 |
| 28789 | TCS Petroleum Co., LLC | Abilene, TX 79608 | Oil & Gas Operator | Jul 2025 |
| 28790 | TCT Operating Company, Inc. | Johnson City, TX 78636 | Oil & Gas Operator | Feb 2017 |
| 28791 | TD & Associates, Inc. | | Oil & Gas Operator | Jun 1998 |
| 28792 | TD Natural Resources LLC | Cuero, TX 77954 | Oil & Gas Operator | Jul 2025 |
| 28793 | TD Oil & Gas LLC | Duncan, OK 73533-1851 | Oil Operator | Apr 2023 |
| 28794 | TD Operating Inc | Hinton, OK 73047 | Oil & Gas Operator | May 2025 |
| 28795 | TDC Energy Corporation | | Oil & Gas Operator | Dec 2001 |
| 28796 | TDC Engineering, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 28797 | Tdi, Inc. | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 28798 | Tdoc, Inc | Evansville, IN 47716 | Oil Operator | Dec 2022 |
| 28799 | Tdot Oil, Inc. | Sedan, KS 67361 | Oil Operator | Mar 2025 |
| 28800 | TDR Construction, Inc. | Wellsville, KS 66092 | Oil Operator | Mar 2025 |