| 28501 | Tekna Synergy Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 28502 | Teko Oil & Gas I | | Oil Operator | Aug 1992 |
| 28503 | Teleo Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2009 |
| 28504 | Telesis Operating Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Jul 2026 |
| 28505 | Telico Minerals, L.L.C. | | Oil & Gas Operator | Oct 2019 |
| 28506 | Tellurian Operating LLC | | Oil & Gas Operator | Jun 2024 |
| 28507 | Tellus Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 28508 | Tellus Operating Group, LLC | | Oil & Gas Operator | May 2026 |
| 28509 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Jul 2026 |
| 28510 | Tema Oil And Gas, LLC | Houston, TX 77040 | Oil & Gas Operator | Apr 2000 |
| 28511 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 28512 | Temagami Oil & Gas LTD | | Oil & Gas Operator | May 2007 |
| 28513 | Tember Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Jul 2026 |
| 28514 | Temblor Petroleum Co. LLC | | Oil & Gas Operator | Dec 2025 |
| 28515 | Temescal Resources LLC | | Oil & Gas Operator | May 2026 |
| 28516 | Temex Energy Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 28517 | Tempel Contracting, Inc. | Joplin, MT 59531 | Gas Operator | Apr 2026 |
| 28518 | Tempest Energy Resources, LP | Houston, TX 77251 | Oil & Gas Operator | Jun 2013 |
| 28519 | Tempest Oil Company, Inc. | | Oil & Gas Operator | Jul 1978 |
| 28520 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2026 |
| 28521 | Temple Oil & Gas Co | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2025 |
| 28522 | Temple Oil Co | | Oil & Gas Operator | Oct 1992 |
| 28523 | Templeton Energy Inc | | Oil & Gas Operator | Jul 1987 |
| 28524 | Templeton Oil, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 1994 |
| 28525 | Tempo Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 28526 | Tempo Resources GP, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2013 |
| 28527 | Ten A Coal Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2020 |
| 28528 | Ten Grand Energy Company Inc | Nachogdoches, TX 75963-1880 | Oil Operator | Mar 2011 |
| 28529 | Tenaska Res LLC | Canonsburg, PA 15317 | Gas Operator | May 2020 |
| 28530 | Tend Oil Inc. | Tyler, TX 75703 | Oil & Gas Operator | Jul 1995 |
| 28531 | Tender Equity Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 2007 |
| 28532 | Tenex Corporation | Houston, TX 77227 | Oil & Gas Operator | Dec 2007 |
| 28533 | Tenex Oil Corpor | | Oil Operator | May 1991 |
| 28534 | Tenexco Inc | Oakbrook Terrace, IL 60181 | Gas Operator | Dec 1998 |
| 28535 | Tengasco, Inc. | Houston, TX 77063 | Oil & Gas Operator | Jan 2026 |
| 28536 | Tenison Oil Comp | | Oil Operator | Jan 1993 |
| 28537 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Apr 2026 |
| 28538 | Tenk, Lawrence O. | Ottawa, KS 66067 | Oil & Gas Operator | Oct 1998 |
| 28539 | Tenmile Land Limited Liability Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 28540 | Tenneco Inc. | | Oil & Gas Operator | Jun 1989 |
| 28541 | Tenneco Oil Comp | | Oil & Gas Operator | Aug 1995 |
| 28542 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Dec 2025 |
| 28543 | Tenneco Ventures Corporation | | Oil & Gas Operator | Feb 1996 |
| 28544 | Tenneco West, Inc. | | Oil & Gas Operator | Dec 1983 |
| 28545 | Tennessee Gas Pipeline Company | | Oil & Gas Operator | Dec 2011 |
| 28546 | Tennessee Gas Pipeline Company, LLC | | Oil Operator | Dec 2024 |
| 28547 | Tennessee Properties, Inc | | Oil Operator | Dec 2014 |
| 28548 | Tennyson Oil & Gas | Muskogee, OK 74401 | Oil Operator | Apr 2026 |
| 28549 | Tenpas, Bruce | Clymer, NY 14724 | Gas Operator | Dec 2025 |
| 28550 | Tensas Delta Explo. Co., LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 28551 | Tensas Delta Exploration Company, LLC | Shreveport, LA 71101-5323 | Oil & Gas Operator | Jul 2021 |
| 28552 | Tensas Delta Land Company | | Oil & Gas Operator | Apr 2002 |
| 28553 | Tensas Exploraton & Production Co LLC | | Oil & Gas Operator | Nov 2009 |
| 28554 | Teocali Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2026 |
| 28555 | Teocalli Exploration LLC | Kingfisher, OK 73750 | Oil & Gas Operator | May 2026 |
| 28556 | Teon Management, LLC | Midland, TX 79704 | Oil & Gas Operator | Mar 2020 |
| 28557 | Tep Barnett USA, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2026 |
| 28558 | Tepco Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Sep 2004 |
| 28559 | Tepco, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 1999 |
| 28560 | Tepee Petroleum Company, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 2014 |
| 28561 | Ter Ex Inc | Butler, PA 16002-8638 | Gas Operator | Dec 1994 |
| 28562 | Terex Energy Corporation | Casper, WY 82602 | Oil & Gas Operator | Aug 2019 |
| 28563 | Terhune Harry C | Bartlesville, OK 74003 | Oil Operator | Feb 1997 |
| 28564 | Terhune Opal S | Bartlesville, OK 74006-0472 | Oil Operator | Apr 2025 |
| 28565 | Term Energy Corp. | Harrisville, WV 26362-0000 | Oil & Gas Operator | Dec 2021 |
| 28566 | Termo Company Of Texas | | Oil & Gas Operator | Dec 1986 |
| 28567 | Terra Energy Co LLC | | Oil & Gas Operator | Apr 2018 |
| 28568 | Terra Energy LTD | | Oil & Gas Operator | Apr 2018 |
| 28569 | Terra Energy LTD And Miller Energy Inc And Mille | | Gas Operator | Dec 1998 |
| 28570 | Terra Exploration & Production Co. Inc. | | Oil & Gas Operator | Dec 2009 |
| 28571 | Terra Locus Services | Seguin, TX 78155 | Oil & Gas Operator | Jun 2000 |
| 28572 | Terra Max Energy | | Oil Operator | Mar 1986 |
| 28573 | Terra Production Company | Okemah, OK 74859-5924 | Oil & Gas Operator | Apr 2020 |
| 28574 | Terra Resc Incor | | Oil Operator | Mar 1986 |
| 28575 | Terra Resources, Inc. | Casper, WY 82601 | Oil & Gas Operator | Jun 1990 |
| 28576 | Terrace Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Jul 2013 |
| 28577 | Terrafina Energy, LLC | San Antonio, TX 78280 | Oil & Gas Operator | Jul 2026 |
| 28578 | Terral D Hinds | | Oil Operator | Mar 2012 |
| 28579 | Terrapet Corporation | | Oil & Gas Operator | Jun 2011 |
| 28580 | Terrapin Energy LLC | Okmulgee, OK 74447 | Oil Operator | May 2026 |
| 28581 | Terraquest Corporation | Edmond, OK 73034 | Oil & Gas Operator | Jul 1997 |
| 28582 | Terrascan Drilling Corp | Dublin, OH 43017 | Oil Operator | Dec 2005 |
| 28583 | Terrel Production Co | | Oil & Gas Operator | Apr 2026 |
| 28584 | Terreland Corporation | Sunray, TX 79086 | Oil & Gas Operator | Oct 2004 |
| 28585 | Terrell Oil & Gas Production Co. | Hamlin, TX 79520 | Oil & Gas Operator | Jul 2026 |
| 28586 | Terrgin Oil & Gas LLC | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2021 |
| 28587 | Terrick Resources | Midland, TX 79708 | Oil & Gas Operator | Jul 2005 |
| 28588 | Terrier Oil Company | | Oil & Gas Operator | Feb 2015 |
| 28589 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Jun 2026 |
| 28590 | Terrol Energy In | | Oil Operator | Feb 1993 |
| 28591 | Terrol Energy Incorporated | Hygiene, CO 80533 | Oil & Gas Operator | Dec 2006 |
| 28592 | Terronne Petroleum Corporation | | Oil & Gas Operator | Nov 2024 |
| 28593 | Terry D Coan | Youngsville, PA 16371-3608 | Oil & Gas Operator | Dec 2021 |
| 28594 | Terry Development, Inc. | | Oil & Gas Operator | Aug 1992 |
| 28595 | Terry Enterprises, Inc. | West Columbia, TX 77486 | Oil & Gas Operator | Jul 2026 |
| 28596 | Terry Jack | Konawa, OK 74849-0337 | Oil Operator | Feb 2012 |
| 28597 | Terry John Trust | Aurora, CO 80012-5112 | Oil & Gas Operator | May 2016 |
| 28598 | Terry Oil Company LLC | | Oil Operator | Dec 2024 |
| 28599 | Terry Petroleum Company | Houston, TX 77270 | Oil & Gas Operator | Dec 1997 |
| 28600 | Terry Production Co | Stroud, OK 74079-0475 | Oil & Gas Operator | Aug 2008 |