| 28601 | Tebco Oil & Gas | | Oil & Gas Operator | Sep 1996 |
| 28602 | Tec Drilling Com | | Oil Operator | Feb 1982 |
| 28603 | Tec Pipeline LLC | Tulsa, OK 74128 | Oil & Gas Operator | Mar 2015 |
| 28604 | Tec Resources LLC | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 28605 | Tech American Re | | Oil Operator | Sep 1985 |
| 28606 | Tech Resources, Inc. | Georgetown, TX 78628 | Oil & Gas Operator | Dec 2001 |
| 28607 | Technical Energy Services, Inc. | Norman, OK 73070 | Oil & Gas Operator | Aug 2024 |
| 28608 | Technology & Engr. Careers Inc. | Houston, TX 77063 | Oil Operator | Dec 2017 |
| 28609 | Techsys Resources LLC | Houston, TX 77224 | Gas Operator | Aug 2015 |
| 28610 | Teco Oil & Gas, Inc. | Tampa, FL 33601 | Oil & Gas Operator | Nov 1997 |
| 28611 | Teco Operating Company | Athens, TX 75751 | Oil & Gas Operator | Jun 2001 |
| 28612 | Tecolote Energy Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 28613 | Tecolote Petroleum Corp.,Inc. | Friendswood, TX 77546 | Oil & Gas Operator | Mar 2011 |
| 28614 | Tecpetrol Operating LLC | Houston, TX 77027 | Oil & Gas Operator | Dec 2015 |
| 28615 | Tecton Energy Operating LLC | | Oil Operator | Apr 2009 |
| 28616 | Ted Koble Operator | | Oil & Gas Operator | Nov 2007 |
| 28617 | Tedco | | Gas Operator | Nov 1988 |
| 28618 | Tedik Limited Partnership | Williamson, WV 25661-0000 | Gas Operator | Dec 2021 |
| 28619 | Tee Cee'S Inc | Drumright, OK 74030-3855 | Oil & Gas Operator | Sep 2024 |
| 28620 | Tee Operating Company | | Oil & Gas Operator | Jun 1989 |
| 28621 | Teel 78 A | | Gas Operator | Dec 1980 |
| 28622 | Teepee Oil & Gas Inc | Yukon, OK 73085 | Oil Operator | Dec 2006 |
| 28623 | Teg Midcontinent, Inc. | Aurora, CO 80014 | Oil Operator | Jul 2013 |
| 28624 | Tega Operating Co. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2012 |
| 28625 | Tehi Illinois, LLC | Olney, IL 62450 | Oil & Gas Operator | Feb 2019 |
| 28626 | Teichgraeber Oil | | Oil Operator | Nov 1995 |
| 28627 | Teichgraeber Oil Co. | | Oil Operator | Dec 1994 |
| 28628 | Teichgraeber Oil, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Apr 2024 |
| 28629 | Tej Ventures | | Oil & Gas Operator | Dec 2002 |
| 28630 | Tejas Gas Pipeline Company | Houston, TX 77010 | Oil & Gas Operator | Apr 1998 |
| 28631 | Tejas Gas Pipeline, L.P. | Houston, TX 77002 | Oil & Gas Operator | Feb 2002 |
| 28632 | Tejas Jack Sales, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2024 |
| 28633 | Tejas Operating Company, Inc. | Houston, TX 77257 | Oil & Gas Operator | May 1995 |
| 28634 | Tejas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2024 |
| 28635 | Tejas Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 28636 | Tejas Permian Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 28637 | Tejas Petroleum Resources, LLC | Aubrey, TX 76227 | Oil & Gas Operator | Nov 2024 |
| 28638 | Tejas Production Company | | Oil Operator | Nov 1979 |
| 28639 | Tejas Trucking, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Nov 2024 |
| 28640 | Tejas Western Corp. | Granbury, TX 76048 | Oil & Gas Operator | Jul 2018 |
| 28641 | Tejones Operating Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2024 |
| 28642 | Teke Production LLC | Austin, TX 78746 | Oil Operator | Nov 2024 |
| 28643 | Tekenergy, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 28644 | Tekna Synergy Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 28645 | Teko Oil & Gas I | | Oil Operator | Aug 1992 |
| 28646 | Teleo Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2009 |
| 28647 | Telesis Operating Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Nov 2024 |
| 28648 | Telico Minerals, L.L.C. | | Oil & Gas Operator | Oct 2019 |
| 28649 | Tellurian Operating LLC | | Oil & Gas Operator | May 2024 |
| 28650 | Tellus Energy, LLC | | Oil & Gas Operator | Jun 2024 |
| 28651 | Tellus Operating Group, LLC | | Oil & Gas Operator | Aug 2024 |
| 28652 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Nov 2024 |
| 28653 | Tema Oil And Gas, LLC | Houston, TX 77040 | Oil & Gas Operator | Apr 2000 |
| 28654 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 28655 | Temagami Oil & Gas LTD | | Oil & Gas Operator | May 2007 |
| 28656 | Tember Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Nov 2024 |
| 28657 | Temblor Petroleum Co. LLC | | Oil & Gas Operator | Aug 2024 |
| 28658 | Temescal Resources LLC | | Oil & Gas Operator | Sep 2024 |
| 28659 | Temex Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 28660 | Tempest Energy Resources, LP | Houston, TX 77251 | Oil & Gas Operator | Jun 2013 |
| 28661 | Tempest Oil Company, Inc. | | Oil & Gas Operator | Jul 1978 |
| 28662 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Sep 2024 |
| 28663 | Temple Oil & Gas Co | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2023 |
| 28664 | Temple Oil Co | | Oil & Gas Operator | Oct 1992 |
| 28665 | Templeton Energy Inc | | Oil & Gas Operator | Jul 1987 |
| 28666 | Templeton Oil, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 1994 |
| 28667 | Tempo Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 28668 | Tempo Resources GP, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2013 |
| 28669 | Ten A Coal Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2020 |
| 28670 | Ten Grand Energy Company Inc | Nachogdoches, TX 75963-1880 | Oil Operator | Mar 2011 |
| 28671 | Tenaska Marketing Ventures | Omaha, NE 68154 | Oil & Gas Operator | Mar 2021 |
| 28672 | Tenaska Res LLC | Canonsburg, PA 15317 | Gas Operator | May 2020 |
| 28673 | Tend Oil Inc. | Tyler, TX 75703 | Oil & Gas Operator | Jul 1995 |
| 28674 | Tender Equity Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 2007 |
| 28675 | Tenex Corporation | Houston, TX 77227 | Oil & Gas Operator | Dec 2007 |
| 28676 | Tenex Oil Corpor | | Oil Operator | May 1991 |
| 28677 | Tenexco Inc | Oakbrook Terrace, IL 60181 | Gas Operator | Dec 1998 |
| 28678 | Tengasco, Inc. | Houston, TX 77063 | Oil & Gas Operator | Apr 2024 |
| 28679 | Tenison Oil Comp | | Oil Operator | Jan 1993 |
| 28680 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Nov 2024 |
| 28681 | Tenk, Lawrence O. | Ottawa, KS 66067 | Oil & Gas Operator | Oct 1998 |
| 28682 | Tenmile Land Limited Liability Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 28683 | Tenneco Inc. | | Oil & Gas Operator | Jun 1989 |
| 28684 | Tenneco Oil Comp | | Oil & Gas Operator | Aug 1995 |
| 28685 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Aug 2024 |
| 28686 | Tenneco Ventures Corporation | | Oil & Gas Operator | Feb 1996 |
| 28687 | Tenneco West, Inc. | | Oil & Gas Operator | Dec 1983 |
| 28688 | Tennessee Gas Pipeline Company | Houston, TX 77252 | Oil & Gas Operator | Dec 2011 |
| 28689 | Tennessee Gas Pipeline Company, LLC | Houston, TX 77252 | Oil Operator | May 2024 |
| 28690 | Tennessee Properties, Inc | | Oil Operator | Dec 2014 |
| 28691 | Tennyson Jerry Dba Tennyson Oil & Gas | Muskogee, OK 74401 | Oil Operator | Aug 2024 |
| 28692 | Tenpas, Bruce | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 28693 | Tensas Delta Explo. Co., LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 28694 | Tensas Delta Exploration Company, LLC | Shreveport, LA 71101-5323 | Oil & Gas Operator | Jul 2021 |
| 28695 | Tensas Delta Land Company | | Oil & Gas Operator | Apr 2002 |
| 28696 | Tensas Exploraton & Production Co LLC | | Oil & Gas Operator | Nov 2009 |
| 28697 | Teocali Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2024 |
| 28698 | Teocalli Exploration LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2024 |
| 28699 | Teon Management, LLC | Midland, TX 79704 | Oil & Gas Operator | Mar 2020 |
| 28700 | Tep Barnett USA, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2024 |