| 28601 | Texas Southern Petroleum Corp. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Apr 2026 |
| 28602 | Texas Standard Oil Operating Co. | Midland, TX 79705 | Oil & Gas Operator | Oct 2019 |
| 28603 | Texas Standard Operating NM LLC | Midland, TX 79705 | Oil & Gas Operator | Jan 2026 |
| 28604 | Texas State Oil Co. | Irving, TX 75062 | Oil & Gas Operator | Mar 2017 |
| 28605 | Texas Sunset Energy And Ent Inc | Victoria, TX 77904 | Oil Operator | Aug 2003 |
| 28606 | Texas T Oil Co. | | Oil & Gas Operator | Apr 1990 |
| 28607 | Texas Tea Of Colorado LLC Dba Texas Tea LLC | | Oil & Gas Operator | Jun 2021 |
| 28608 | Texas Tea Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2011 |
| 28609 | Texas Trade International Inc. | Andrews, TX 79714 | Oil Operator | Apr 2026 |
| 28610 | Texas United Geoproduction, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2026 |
| 28611 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 28612 | Texas Utilities Fuel Co. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2018 |
| 28613 | Texas Utilities Mining Co. | Dallas, TX 75201 | Oil & Gas Operator | May 1995 |
| 28614 | Texas Valley Oil & Gas, LLC | Hidalgo, TX 78557 | Oil Operator | Apr 2026 |
| 28615 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 28616 | Texas Western Energy Corporation | Portland, TX 78374 | Oil & Gas Operator | Nov 2002 |
| 28617 | Texas Western Oil Company | Sioux Falls, SD 57109 | Oil & Gas Operator | Sep 2013 |
| 28618 | Texas, Les & Co. | Brenham, TX 77833 | Oil & Gas Operator | Apr 2026 |
| 28619 | Texas, Les C., LTD. | Houston, TX 77095 | Oil & Gas Operator | Dec 2006 |
| 28620 | Texas-Australia Power Inc. | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2011 |
| 28621 | Texas-Ohio Producing Company | Spring, TX 77383 | Oil & Gas Operator | Jul 1995 |
| 28622 | Texasgulf Inc. | Newgulf, TX 77462 | Oil & Gas Operator | Jul 1994 |
| 28623 | Texcal Energy (GP) LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2016 |
| 28624 | Texcal Oil Co | Cuero, TX 77954 | Oil & Gas Operator | Feb 2006 |
| 28625 | Texcal Oil Inc. | Vidor, TX 77662 | Oil & Gas Operator | Jun 1994 |
| 28626 | Texcal Resources, Inc. | Plano, TX 75094 | Oil & Gas Operator | Apr 1994 |
| 28627 | Texcel Exploration, Inc. | Colorado SPGS, CO 80960 | Oil & Gas Operator | Apr 2026 |
| 28628 | Texcrude Services LLC | Iowa Park, TX 76367 | Oil Operator | Apr 2026 |
| 28629 | Texdon Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2005 |
| 28630 | Texeast Operating Co., Inc. | Farmers BRNCH, TX 75234 | Oil Operator | Apr 2026 |
| 28631 | Texegy Operating Company LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
| 28632 | Texex Petroleum Corporation | | Oil & Gas Operator | Dec 2024 |
| 28633 | Texian Energy Corporation | Amarillo, TX 79120 | Oil & Gas Operator | Apr 1997 |
| 28634 | Texian Operating Company, LLC | Irving, TX 75063 | Oil & Gas Operator | Apr 2026 |
| 28635 | Texical, Inc. | Katy, TX 77491 | Oil & Gas Operator | Apr 2026 |
| 28636 | Texinia Corp | Dallas, TX 75201 | Oil & Gas Operator | Jun 2015 |
| 28637 | Texinia Limited Partnership | Dallas, TX 75201 | Gas Operator | Jan 2017 |
| 28638 | Texinia Oil & Gas Inc | Dallas, TX 75214 | Oil & Gas Operator | Dec 2025 |
| 28639 | Texkan Exploration LLC | Plainville, KS 67663 | Oil Operator | Dec 2019 |
| 28640 | Texkan Resources, LLC | Odessa, TX 79765 | Oil & Gas Operator | Jun 2025 |
| 28641 | Texla Operating Co | Jonesville, TX 75659 | Oil & Gas Operator | Apr 2026 |
| 28642 | Texlan Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Nov 1994 |
| 28643 | Texlan Oil Company, L.C. | Tyler, TX 75711 | Oil & Gas Operator | Aug 2003 |
| 28644 | Texland Petroleum Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2003 |
| 28645 | Texland Petroleum, L.P. | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2026 |
| 28646 | Texland Petroleum-Hobbs, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 2026 |
| 28647 | Texland-Rector & Schumacher | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
| 28648 | Texland/JMC Joint Venture | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2002 |
| 28649 | Texlark Exploration Company, Inc | Plano, TX 75074 | Oil & Gas Operator | Sep 2001 |
| 28650 | Texocan Minerals Inc | Tulsa, OK 74147 | Oil & Gas Operator | Dec 2000 |
| 28651 | Texoil Company | | Oil & Gas Operator | Dec 2000 |
| 28652 | Texokan Energy C | | Oil Operator | Nov 1986 |
| 28653 | Texokan Energy Corporation | Scroggins, TX 75480 | Oil & Gas Operator | Jul 1996 |
| 28654 | Texokan Operating, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2026 |
| 28655 | Texokan Resources, Inc. | Dallas, TX 75206 | Oil Operator | Apr 2012 |
| 28656 | Texoma Oil & Gas Corporation | Longview, TX 75604-3137 | Oil Operator | Apr 2014 |
| 28657 | Texoma Oil Tools, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 28658 | Texoma Production Co | | Oil & Gas Operator | Jun 1986 |
| 28659 | Texon Oil Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |
| 28660 | Texona Petroleum Corporation | Houston, TX 77084 | Oil & Gas Operator | Aug 2003 |
| 28661 | Texowa, LLC | Roanoke, TX 76262 | Oil Operator | Apr 2026 |
| 28662 | Texoz E&P I, Inc. | Houston, TX 77077 | Oil & Gas Operator | Apr 2026 |
| 28663 | Texploration | Rosharon, TX 77583 | Oil Operator | Apr 2026 |
| 28664 | Texron Operating, LLC | Bulverde, TX 78163 | Oil & Gas Operator | Apr 2026 |
| 28665 | Texstar Drilling, Inc. | Houston, TX 77084 | Oil & Gas Operator | Apr 2026 |
| 28666 | Texstar North America, Inc. | Waynesboro, MS 39367 | Oil & Gas Operator | Aug 1994 |
| 28667 | Texstar Oil & Gas, LLC | Luling, TX 78648 | Oil & Gas Operator | Apr 2026 |
| 28668 | Texstar Operating Inc. | Slaton, TX 79364 | Oil & Gas Operator | Apr 2026 |
| 28669 | Texstar Petroleum, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2000 |
| 28670 | Texsun Operating Company Limited | Abilene, TX 79601 | Oil & Gas Operator | Mar 1996 |
| 28671 | Textroleum Production, Inc. | Lubbock, TX 79452 | Oil & Gas Operator | Mar 2008 |
| 28672 | Textron Southwest Inc. | Henderson, TX 75654 | Oil & Gas Operator | Apr 2026 |
| 28673 | Textron Southwest L.L.C. | Addison, TX 75001 | Oil & Gas Operator | Oct 2004 |
| 28674 | Texu Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jan 2007 |
| 28675 | Texxol Operating Company, Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Apr 2026 |
| 28676 | Texxon Resources, Inc. | Winter Park, FL 32792 | Oil & Gas Operator | Apr 2026 |
| 28677 | Texzona Oil & Gas, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1997 |
| 28678 | TFX, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2019 |
| 28679 | TGNR East Texas II LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 28680 | TGNR East Texas LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 28681 | TGNR Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 28682 | TGNR Panola LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 28683 | TGNR TVL LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 28684 | Tgo Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2008 |
| 28685 | TGT Petroleum Co | | Oil & Gas Operator | Apr 1995 |
| 28686 | TGX Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2004 |
| 28687 | Thagard Trust | Rancho Santo, CA 92688 | Gas Operator | Apr 2026 |
| 28688 | Thalmann Oil Field Service, Inc. | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Mar 2008 |
| 28689 | Thalmann Oilfield | Carrizo SPGS, TX 78834 | Oil Operator | Apr 2026 |
| 28690 | Thalmann, David Vac Service Inc | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Apr 2026 |
| 28691 | Tharp Oil, A General Partnership | Chanute, KS 66720 | Oil Operator | Mar 2014 |
| 28692 | Tharp Operating Company | Houston, TX 77070 | Oil & Gas Operator | Nov 2014 |
| 28693 | Thaxton Operating | | Oil Operator | Jan 1994 |
| 28694 | The A I Root Company | Medina, OH 44256 | Gas Operator | Dec 2025 |
| 28695 | The Arvin Company | | Oil Operator | Dec 2004 |
| 28696 | The B&B Oil Co Of Sabine Inc | | Oil Operator | Jun 1982 |
| 28697 | The B&C Corp-Imp Amer MGT Co | | Oil & Gas Operator | Aug 1981 |
| 28698 | The Ballard & Cordell Corp | | Oil & Gas Operator | Feb 1982 |
| 28699 | The Bering Company | | Oil Operator | Jul 1979 |
| 28700 | The Bill Bowman Oil Company | | Oil Operator | Dec 2025 |