| 28501 | Terreland Corporation | Sunray, TX 79086 | Oil & Gas Operator | Oct 2004 |
| 28502 | Terrell Oil & Gas Production Co. | Hamlin, TX 79520 | Oil & Gas Operator | Sep 2026 |
| 28503 | Terrgin Oil & Gas LLC | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2021 |
| 28504 | Terrick Resources | Midland, TX 79708 | Oil & Gas Operator | Jul 2005 |
| 28505 | Terrier Oil Company | | Oil & Gas Operator | Feb 2015 |
| 28506 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Jul 2026 |
| 28507 | Terrol Energy In | | Oil Operator | Feb 1993 |
| 28508 | Terrol Energy Incorporated | Hygiene, CO 80533 | Oil & Gas Operator | Dec 2006 |
| 28509 | Terronne Petroleum Corporation | | Oil & Gas Operator | Nov 2024 |
| 28510 | Terry D Coan | Youngsville, PA 16371-3608 | Oil & Gas Operator | Dec 2021 |
| 28511 | Terry Development, Inc. | | Oil & Gas Operator | Aug 1992 |
| 28512 | Terry Enterprises, Inc. | West Columbia, TX 77486 | Oil & Gas Operator | Sep 2026 |
| 28513 | Terry Jack | Konawa, OK 74849-0337 | Oil Operator | Feb 2012 |
| 28514 | Terry John Trust | Aurora, CO 80012-5112 | Oil & Gas Operator | May 2016 |
| 28515 | Terry Oil Company LLC | | Oil Operator | Dec 2024 |
| 28516 | Terry Petroleum Company | Houston, TX 77270 | Oil & Gas Operator | Dec 1997 |
| 28517 | Terry Production Co | Stroud, OK 74079-0475 | Oil & Gas Operator | Aug 2008 |
| 28518 | Terry Sims & Associates Inc. | | Oil Operator | Sep 2009 |
| 28519 | Terry'S Roustabout Service, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Oct 2002 |
| 28520 | Terry, Lewis D. | Olney, TX 76374 | Oil & Gas Operator | Sep 1995 |
| 28521 | Terry, R. K. | West Columbia, TX 77486 | Oil & Gas Operator | Sep 2026 |
| 28522 | Tervita, LLC | | Oil Operator | May 2021 |
| 28523 | Terzan Energy II LLC | Chandler, OK 74834 | Oil & Gas Operator | Jul 2026 |
| 28524 | Tesla Resources, Inc. | | Oil & Gas Operator | Aug 1996 |
| 28525 | Tesoro E&P Company, L.P. | San Antonio, TX 78216 | Oil & Gas Operator | Jan 2000 |
| 28526 | Tesoro Expl. & Prod. Company | San Antonio, TX 78216 | Gas Operator | Sep 2010 |
| 28527 | Tesoro Petroleum | | Oil Operator | Mar 1982 |
| 28528 | Tesoro Petroleum Corporation | | Oil & Gas Operator | May 1982 |
| 28529 | Tess Oil Company | Borger, TX 79008 | Oil & Gas Operator | Mar 2008 |
| 28530 | Tessara Petroleum Resources, LLC | Houston, TX 77086 | Oil & Gas Operator | Apr 2020 |
| 28531 | Tessera Energy LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 2026 |
| 28532 | Testco Production Company | Watonga, OK 73772-0589 | Oil & Gas Operator | Aug 2013 |
| 28533 | Tesuque Oil & Gas LLC | Rockdale, TX 76567 | Oil Operator | Sep 2026 |
| 28534 | Tet Energy | | Oil Operator | Apr 2026 |
| 28535 | Teton Energy Co Inc | Denver, CO 80239 | Oil Operator | Dec 1983 |
| 28536 | Teton Petroleum Corporation | Kerrville, TX 78028 | Oil & Gas Operator | Sep 2026 |
| 28537 | Tetra Oil Company | | Oil & Gas Operator | Dec 2025 |
| 28538 | Tetragon Investments, LLC | Abilene, TX 79604 | Oil Operator | Jul 2014 |
| 28539 | Tettleton, Jon Otis | Nocona, TX 76255 | Oil & Gas Operator | Aug 2003 |
| 28540 | Tettleton, Steven B. | Nocona, TX 76255 | Oil Operator | Sep 2026 |
| 28541 | Tevebaugh MGMT Co | Baden, PA 15005-0123 | Oil & Gas Operator | Dec 2002 |
| 28542 | Tex-Am Petroleum Corp. | Eastland, TX 76448 | Oil & Gas Operator | Sep 2026 |
| 28543 | Tex-Am-Energy Inc. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2008 |
| 28544 | Tex-Ann Oil & Gas Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Sep 2026 |
| 28545 | Tex-Atic Resources, Inc. | S. Lake Tahoe, CA 96150 | Oil & Gas Operator | Sep 2026 |
| 28546 | Tex-Con-Brehm-Basin Expl. | | Oil & Gas Operator | May 1990 |
| 28547 | Tex-Hio Energy | Terrell, TX 75156 | Oil & Gas Operator | Dec 1997 |
| 28548 | Tex-Lee Operating Company | Giddings, TX 78942 | Oil & Gas Operator | Sep 2026 |
| 28549 | Tex-Oak, Inc. | Oklahoma City, OK 73155 | Oil & Gas Operator | Dec 1995 |
| 28550 | Tex-Ok Energy, Limited Partnership | Cody, WY 82414 | Oil & Gas Operator | Jul 2026 |
| 28551 | Tex-Ok Energy, LTD Partnership | Cody, WY 82414 | Oil & Gas Operator | Sep 2026 |
| 28552 | Tex-R Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Feb 2021 |
| 28553 | Tex-Star Production | Dallas, TX 75206 | Oil & Gas Operator | Jul 2026 |
| 28554 | Tex-Well Oil & Gas Corp. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 28555 | Tex/Con Oil & Gas Company | Houston, TX 77074 | Oil & Gas Operator | Feb 2001 |
| 28556 | Texacal, Inc. | Newport Beach, CA 92660 | Oil & Gas Operator | Sep 2026 |
| 28557 | Texaco E & P Inc. | Houston, TX 77099 | Oil & Gas Operator | Sep 2026 |
| 28558 | Texaco Explorati | | Oil & Gas Operator | Dec 1996 |
| 28559 | Texaco Exploration & Prod | Midland, TX 79702 | Oil & Gas Operator | Aug 2002 |
| 28560 | Texaco Exploration & Prod Inc | Houston, TX 77236 | Oil & Gas Operator | May 2026 |
| 28561 | Texaco Exploration & Production Inc N W | Farmington, NM 87401 | Oil & Gas Operator | Aug 1995 |
| 28562 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 28563 | Texaco Inc & A.C. Glassell Jr | | Oil & Gas Operator | Aug 1980 |
| 28564 | Texaco Oils Inc | Tulsa, OK 74102-2420 | Oil & Gas Operator | Jan 2003 |
| 28565 | Texaco Producing Inc. | Rock Springs, WY 82901 | Oil & Gas Operator | Dec 2000 |
| 28566 | Texaco Seaboard, Inc. | | Gas Operator | Sep 1980 |
| 28567 | Texaco USA - Mor | | Oil Operator | Aug 1988 |
| 28568 | Texada Resources, Inc. | | Oil & Gas Operator | Dec 1992 |
| 28569 | Texakoma E & P, LLC | Plano, TX 75024 | Oil & Gas Operator | Sep 2026 |
| 28570 | Texakoma Exploration & Production LLC | Plano, TX 75024 | Oil & Gas Operator | May 2026 |
| 28571 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 28572 | Texakoma Operating, L.P. | Plano, TX 75024 | Oil & Gas Operator | Mar 2025 |
| 28573 | Texakoma Opr LP | Plano, TX 75024-6679 | Oil & Gas Operator | Dec 2012 |
| 28574 | Texakota | | Oil & Gas Operator | Mar 1995 |
| 28575 | Texakota, Inc. | Houston, TX 77098 | Oil & Gas Operator | Mar 2021 |
| 28576 | Texan Petroleum Corporation | Dallas, TX 75204 | Oil & Gas Operator | Oct 2004 |
| 28577 | Texan Production | Pearsall, TX 78061 | Oil & Gas Operator | Aug 2003 |
| 28578 | Texan Production Company, Inc. | Canyon Lake, TX 78133 | Oil & Gas Operator | Sep 2026 |
| 28579 | Texana Operating Company | Houston, TX 77090 | Oil & Gas Operator | Sep 2026 |
| 28580 | Texas American Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2001 |
| 28581 | Texas American Resources Company | Austin, TX 78701 | Oil & Gas Operator | Sep 2026 |
| 28582 | Texas City Refining, Inc. | | Oil & Gas Operator | Nov 1988 |
| 28583 | Texas Coastal Resources LLC | Fairhope, AL 36532 | Oil Operator | Sep 2026 |
| 28584 | Texas Concho Operating Co. | Eldorado, TX 76936 | Oil & Gas Operator | Mar 1999 |
| 28585 | Texas Consolidated Pet. Corp. | Fort Worth, TX 76109 | Oil & Gas Operator | Sep 2026 |
| 28586 | Texas Crude & Dale Gas Expl | | Oil & Gas Operator | Dec 1984 |
| 28587 | Texas Crude Energy, Inc. | Houston, TX 77256 | Oil & Gas Operator | Oct 2012 |
| 28588 | Texas Crude Exploration Inc | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 1992 |
| 28589 | Texas Crude Oil Co. | | Oil & Gas Operator | Dec 1984 |
| 28590 | Texas Crude Oil Co. Et Al | | Oil & Gas Operator | May 1992 |
| 28591 | Texas Crude Oil, Inc. | | Oil & Gas Operator | Dec 1984 |
| 28592 | Texas Crude Operator, Inc. | Houston, TX 77098 | Oil & Gas Operator | Aug 2017 |
| 28593 | Texas Crude, Inc. | Houston, TX 77256 | Oil & Gas Operator | Oct 1995 |
| 28594 | Texas Crude-Rebstock & Reeves | | Oil & Gas Operator | Feb 1980 |
| 28595 | Texas Crude-Wainoco-Hilliard | | Oil & Gas Operator | Jul 1978 |
| 28596 | Texas Eastern Skyline Oil | Houston, TX 77252 | Oil & Gas Operator | Jan 1987 |
| 28597 | Texas Eastern Transm. Corp. | | Oil & Gas Operator | Dec 2002 |
| 28598 | Texas Energen Inc. | Austin, TX 78731 | Oil & Gas Operator | Sep 2026 |
| 28599 | Texas Energies I | | Oil & Gas Operator | Aug 1994 |
| 28600 | Texas Energies Inc | Pratt, KS 67124 | Oil & Gas Operator | Aug 1998 |