| 29001 | Texas Petroleum Investment Company | Houston, TX 77057 | Oil & Gas Operator | Nov 2025 |
| 29002 | Texas Pharchem Inc. | Abilene, TX 79601 | Oil & Gas Operator | Apr 2019 |
| 29003 | Texas Presco, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2025 |
| 29004 | Texas Rayco Inc. | Palmetto, FL 34221 | Oil & Gas Operator | Nov 2025 |
| 29005 | Texas Reexploration Operating LC | Fredericksbrg, TX 78624 | Oil & Gas Operator | Nov 2025 |
| 29006 | Texas Refining, Inc. | Houston, TX 77057 | Oil & Gas Operator | Aug 2003 |
| 29007 | Texas Royalty Corp. | Austin, TX 78746 | Oil & Gas Operator | Nov 2025 |
| 29008 | Texas Sands Resources, LLC | Abilene, TX 79603 | Oil Operator | Nov 2025 |
| 29009 | Texas Secondary Oil Corporation | Devine, TX 78016 | Oil & Gas Operator | Nov 2025 |
| 29010 | Texas Shallow Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Nov 2025 |
| 29011 | Texas South Operating Co, Inc. | Houston, TX 77027 | Oil Operator | Nov 2025 |
| 29012 | Texas Southern Petroleum Corp. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Nov 2025 |
| 29013 | Texas Standard Oil Operating Co. | Midland, TX 79705 | Oil & Gas Operator | Oct 2019 |
| 29014 | Texas State Oil Co. | Irving, TX 75062 | Oil & Gas Operator | Mar 2017 |
| 29015 | Texas Sunset Energy And Ent Inc | Victoria, TX 77904 | Oil Operator | Aug 2003 |
| 29016 | Texas T Oil Co. | | Oil & Gas Operator | Apr 1990 |
| 29017 | Texas Tea Of Colorado LLC Dba Texas Tea LLC | | Oil & Gas Operator | Jun 2021 |
| 29018 | Texas Tea Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2011 |
| 29019 | Texas Trade International Inc. | Andrews, TX 79714 | Oil Operator | Nov 2025 |
| 29020 | Texas United Geoproduction, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Nov 2025 |
| 29021 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 29022 | Texas Utilities Fuel Co. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2018 |
| 29023 | Texas Utilities Mining Co. | Dallas, TX 75201 | Oil & Gas Operator | May 1995 |
| 29024 | Texas Valley Oil & Gas, LLC | Hidalgo, TX 78557 | Oil Operator | Nov 2025 |
| 29025 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 29026 | Texas Western Energy Corporation | Portland, TX 78374 | Oil & Gas Operator | Nov 2002 |
| 29027 | Texas Western Oil Company | Sioux Falls, SD 57109 | Oil & Gas Operator | Sep 2013 |
| 29028 | Texas, Les & Co. | Brenham, TX 77833 | Oil & Gas Operator | Nov 2025 |
| 29029 | Texas, Les C., LTD. | Houston, TX 77095 | Oil & Gas Operator | Dec 2006 |
| 29030 | Texas-Australia Power Inc. | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2011 |
| 29031 | Texas-Ohio Producing Company | Spring, TX 77383 | Oil & Gas Operator | Jul 1995 |
| 29032 | Texasgulf Inc. | Newgulf, TX 77462 | Oil & Gas Operator | Jul 1994 |
| 29033 | Texcal Energy (GP) LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2016 |
| 29034 | Texcal Oil Co | Cuero, TX 77954 | Oil & Gas Operator | Feb 2006 |
| 29035 | Texcal Oil Inc. | Vidor, TX 77662 | Oil & Gas Operator | Jun 1994 |
| 29036 | Texcal Resources, Inc. | Plano, TX 75094 | Oil & Gas Operator | Apr 1994 |
| 29037 | Texcel Exploration, Inc. | Colorado SPGS, CO 80960 | Oil & Gas Operator | Nov 2025 |
| 29038 | Texcrude Services LLC | Iowa Park, TX 76367 | Oil Operator | Nov 2025 |
| 29039 | Texdon Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2005 |
| 29040 | Texeast Operating Co., Inc. | Farmers BRNCH, TX 75234 | Oil Operator | Nov 2025 |
| 29041 | Texegy Operating Company LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
| 29042 | Texex Petroleum Corporation | | Oil & Gas Operator | Dec 2024 |
| 29043 | Texian Energy Corporation | Amarillo, TX 79120 | Oil & Gas Operator | Apr 1997 |
| 29044 | Texian Operating Company, LLC | Irving, TX 75063 | Oil & Gas Operator | Nov 2025 |
| 29045 | Texical, Inc. | Katy, TX 77491 | Oil & Gas Operator | Nov 2025 |
| 29046 | Texinia Corp | Dallas, TX 75201 | Oil & Gas Operator | Jun 2015 |
| 29047 | Texinia Limited Partnership | Dallas, TX 75201 | Gas Operator | Jan 2017 |
| 29048 | Texinia Oil & Gas Inc | Dallas, TX 75214 | Oil & Gas Operator | May 2025 |
| 29049 | Texkan Exploration LLC | Plainville, KS 67663 | Oil Operator | Dec 2019 |
| 29050 | Texkan Resources, LLC | Odessa, TX 79765 | Oil & Gas Operator | Jun 2025 |
| 29051 | Texla Operating Co | Jonesville, TX 75659 | Oil & Gas Operator | Nov 2025 |
| 29052 | Texlan Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Nov 1994 |
| 29053 | Texlan Oil Company, L.C. | Tyler, TX 75711 | Oil & Gas Operator | Aug 2003 |
| 29054 | Texland Petroleum Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2003 |
| 29055 | Texland Petroleum, L.P. | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2025 |
| 29056 | Texland Petroleum-Hobbs, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2025 |
| 29057 | Texland-Rector & Schumacher | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
| 29058 | Texland/JMC Joint Venture | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2002 |
| 29059 | Texlark Exploration Company, Inc | Plano, TX 75074 | Oil & Gas Operator | Sep 2001 |
| 29060 | Texocan Minerals Inc | Tulsa, OK 74147 | Oil & Gas Operator | Dec 2000 |
| 29061 | Texoil Company | | Oil & Gas Operator | Dec 2000 |
| 29062 | Texokan Energy C | | Oil Operator | Nov 1986 |
| 29063 | Texokan Energy Corporation | Scroggins, TX 75480 | Oil & Gas Operator | Jul 1996 |
| 29064 | Texokan Operating, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Nov 2025 |
| 29065 | Texokan Resources, Inc. | Dallas, TX 75206 | Oil Operator | Apr 2012 |
| 29066 | Texoma Oil & Gas Corporation | Longview, TX 75604-3137 | Oil Operator | Apr 2014 |
| 29067 | Texoma Oil Tools, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2025 |
| 29068 | Texoma Production Co | | Oil & Gas Operator | Jun 1986 |
| 29069 | Texon Oil Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |
| 29070 | Texona Petroleum Corporation | Houston, TX 77084 | Oil & Gas Operator | Aug 2003 |
| 29071 | Texowa, LLC | Roanoke, TX 76262 | Oil Operator | Nov 2025 |
| 29072 | Texoz E&P I, Inc. | Houston, TX 77077 | Oil & Gas Operator | Nov 2025 |
| 29073 | Texploration | Rosharon, TX 77583 | Oil Operator | Nov 2025 |
| 29074 | Texron Operating, LLC | Bulverde, TX 78163 | Oil & Gas Operator | Nov 2025 |
| 29075 | Texstar Drilling, Inc. | Houston, TX 77084 | Oil & Gas Operator | Nov 2025 |
| 29076 | Texstar North America, Inc. | Waynesboro, MS 39367 | Oil & Gas Operator | Aug 1994 |
| 29077 | Texstar Oil & Gas, LLC | Luling, TX 78648 | Oil & Gas Operator | Nov 2025 |
| 29078 | Texstar Operating Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Nov 2025 |
| 29079 | Texstar Petroleum, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2000 |
| 29080 | Texsun Operating Company Limited | Abilene, TX 79601 | Oil & Gas Operator | Mar 1996 |
| 29081 | Textroleum Production, Inc. | Lubbock, TX 79452 | Oil & Gas Operator | Mar 2008 |
| 29082 | Textron Southwest Inc. | Henderson, TX 75654 | Oil & Gas Operator | Nov 2025 |
| 29083 | Textron Southwest L.L.C. | Addison, TX 75001 | Oil & Gas Operator | Oct 2004 |
| 29084 | Texu Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jan 2007 |
| 29085 | Texxol Operating Company, Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Nov 2025 |
| 29086 | Texxon Resources, Inc. | Winter Park, FL 32792 | Oil & Gas Operator | Nov 2025 |
| 29087 | Texzona Oil & Gas, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1997 |
| 29088 | TFX, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2019 |
| 29089 | TGNR East Texas II LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 29090 | TGNR East Texas LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 29091 | TGNR Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 29092 | TGNR Panola LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 29093 | TGNR TVL LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 29094 | Tgo Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2008 |
| 29095 | TGT Petroleum Co | | Oil & Gas Operator | Apr 1995 |
| 29096 | TGX Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2004 |
| 29097 | Thagard Trust | Rancho Santo, CA 92688 | Gas Operator | Nov 2025 |
| 29098 | Thalmann Oil Field Service, Inc. | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Mar 2008 |
| 29099 | Thalmann Oilfield | Carrizo SPGS, TX 78834 | Oil Operator | Nov 2025 |
| 29100 | Thalmann, David Vac Service Inc | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Nov 2025 |