| 30101 | Texas Operating Partners LLC | Tomball, TX 77377 | Oil & Gas Operator | Feb 2026 |
| 30102 | Texas Pacific Oil Co. | | Oil & Gas Operator | Dec 1980 |
| 30103 | Texas Petroleum Investment Company | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 30104 | Texas Pharchem Inc. | Abilene, TX 79601 | Oil & Gas Operator | Apr 2019 |
| 30105 | Texas Presco, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2025 |
| 30106 | Texas Rayco Inc. | Palmetto, FL 34221 | Oil & Gas Operator | Feb 2026 |
| 30107 | Texas Reexploration Operating LC | Fredericksbrg, TX 78624 | Oil & Gas Operator | Feb 2026 |
| 30108 | Texas Refining, Inc. | Houston, TX 77057 | Oil & Gas Operator | Aug 2003 |
| 30109 | Texas Royalty Corp. | Austin, TX 78746 | Oil & Gas Operator | Feb 2026 |
| 30110 | Texas Sands Resources, LLC | Abilene, TX 79603 | Oil Operator | Feb 2026 |
| 30111 | Texas Secondary Oil Corporation | Devine, TX 78016 | Oil & Gas Operator | Feb 2026 |
| 30112 | Texas Shallow Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 30113 | Texas South Operating Co, Inc. | Houston, TX 77027 | Oil Operator | Feb 2026 |
| 30114 | Texas Southern Petroleum Corp. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Feb 2026 |
| 30115 | Texas Standard Oil Operating Co. | Midland, TX 79705 | Oil & Gas Operator | Oct 2019 |
| 30116 | Texas State Oil Co. | Irving, TX 75062 | Oil & Gas Operator | Mar 2017 |
| 30117 | Texas Sunset Energy And Ent Inc | Victoria, TX 77904 | Oil Operator | Aug 2003 |
| 30118 | Texas T Oil Co. | | Oil & Gas Operator | Apr 1990 |
| 30119 | Texas Tea Of Colorado LLC Dba Texas Tea LLC | | Oil & Gas Operator | Jun 2021 |
| 30120 | Texas Tea Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2011 |
| 30121 | Texas Trade International Inc. | Andrews, TX 79714 | Oil Operator | Feb 2026 |
| 30122 | Texas United Geoproduction, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Feb 2026 |
| 30123 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 30124 | Texas Utilities Fuel Co. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2018 |
| 30125 | Texas Utilities Mining Co. | Dallas, TX 75201 | Oil & Gas Operator | May 1995 |
| 30126 | Texas Valley Oil & Gas, LLC | Hidalgo, TX 78557 | Oil Operator | Feb 2026 |
| 30127 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 30128 | Texas Western Energy Corporation | Portland, TX 78374 | Oil & Gas Operator | Nov 2002 |
| 30129 | Texas Western Oil Company | Sioux Falls, SD 57109 | Oil & Gas Operator | Sep 2013 |
| 30130 | Texas, Les & Co. | Brenham, TX 77833 | Oil & Gas Operator | Feb 2026 |
| 30131 | Texas, Les C., LTD. | Houston, TX 77095 | Oil & Gas Operator | Dec 2006 |
| 30132 | Texas-Australia Power Inc. | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2011 |
| 30133 | Texas-Ohio Producing Company | Spring, TX 77383 | Oil & Gas Operator | Jul 1995 |
| 30134 | Texas/Arkansas P | | Oil & Gas Operator | Sep 1990 |
| 30135 | Texasgulf Inc. | Newgulf, TX 77462 | Oil & Gas Operator | Jul 1994 |
| 30136 | Texcal Energy (GP) LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2016 |
| 30137 | Texcal Oil Co | Cuero, TX 77954 | Oil & Gas Operator | Feb 2006 |
| 30138 | Texcal Oil Inc. | Vidor, TX 77662 | Oil & Gas Operator | Jun 1994 |
| 30139 | Texcal Resources, Inc. | Plano, TX 75094 | Oil & Gas Operator | Apr 1994 |
| 30140 | Texcel Exploration, Inc. | Colorado SPGS, CO 80960 | Oil & Gas Operator | Feb 2026 |
| 30141 | Texco Operating Co. | San Antonio, TX 78209 | Gas Operator | Aug 2003 |
| 30142 | Texcrude Services LLC | Iowa Park, TX 76367 | Oil Operator | Feb 2026 |
| 30143 | Texdon Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2005 |
| 30144 | Texeast Operating Co., Inc. | Farmers BRNCH, TX 75234 | Oil Operator | Feb 2026 |
| 30145 | Texegy Operating Company LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
| 30146 | Texex Petroleum Corporation | | Oil & Gas Operator | Dec 2024 |
| 30147 | Texian Energy Corporation | Amarillo, TX 79120 | Oil & Gas Operator | Apr 1997 |
| 30148 | Texian Operating Company, LLC | Irving, TX 75063 | Oil & Gas Operator | Feb 2026 |
| 30149 | Texical, Inc. | Katy, TX 77491 | Oil & Gas Operator | Feb 2026 |
| 30150 | Texinia Corp | Dallas, TX 75201 | Oil & Gas Operator | Jun 2015 |
| 30151 | Texinia Limited Partnership | Dallas, TX 75201 | Gas Operator | Jan 2017 |
| 30152 | Texinia Oil & Gas Inc | Dallas, TX 75214 | Oil & Gas Operator | Nov 2025 |
| 30153 | Texkan Exploration LLC | Plainville, KS 67663 | Oil Operator | Dec 2019 |
| 30154 | Texkan Resources, LLC | Odessa, TX 79765 | Oil & Gas Operator | Jun 2025 |
| 30155 | Texla Operating Co | Jonesville, TX 75659 | Oil & Gas Operator | Feb 2026 |
| 30156 | Texlan Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Nov 1994 |
| 30157 | Texlan Oil Company, L.C. | Tyler, TX 75711 | Oil & Gas Operator | Aug 2003 |
| 30158 | Texland Petroleum Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2003 |
| 30159 | Texland Petroleum, L.P. | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 2026 |
| 30160 | Texland Petroleum-Hobbs, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 30161 | Texland-Rector & Schumacher | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
| 30162 | Texland/JMC Joint Venture | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2002 |
| 30163 | Texlark Exploration Company, Inc | Plano, TX 75074 | Oil & Gas Operator | Sep 2001 |
| 30164 | Texocan Minerals Inc | Tulsa, OK 74147 | Oil & Gas Operator | Dec 2000 |
| 30165 | Texoil Company | | Oil & Gas Operator | Dec 2000 |
| 30166 | Texokan Energy C | | Oil Operator | Nov 1986 |
| 30167 | Texokan Energy Corporation | Scroggins, TX 75480 | Oil & Gas Operator | Jul 1996 |
| 30168 | Texokan Operating, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Feb 2026 |
| 30169 | Texokan Resources, Inc. | Dallas, TX 75206 | Oil Operator | Apr 2012 |
| 30170 | Texoma Oil & Gas Corporation | Longview, TX 75604-3137 | Oil Operator | Apr 2014 |
| 30171 | Texoma Oil Tools, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 30172 | Texoma Production Co | | Oil & Gas Operator | Jun 1986 |
| 30173 | Texon Oil Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |
| 30174 | Texona Petroleum Corporation | Houston, TX 77084 | Oil & Gas Operator | Aug 2003 |
| 30175 | Texowa, LLC | Roanoke, TX 76262 | Oil Operator | Feb 2026 |
| 30176 | Texoz E&P I, Inc. | Houston, TX 77077 | Oil & Gas Operator | Feb 2026 |
| 30177 | Texploration | Rosharon, TX 77583 | Oil Operator | Feb 2026 |
| 30178 | Texron Operating, LLC | Bulverde, TX 78163 | Oil & Gas Operator | Feb 2026 |
| 30179 | Texstar Drilling, Inc. | Houston, TX 77084 | Oil & Gas Operator | Feb 2026 |
| 30180 | Texstar North America, Inc. | Waynesboro, MS 39367 | Oil & Gas Operator | Aug 1994 |
| 30181 | Texstar Oil & Gas, LLC | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 30182 | Texstar Operating Inc. | Slaton, TX 79364 | Oil & Gas Operator | Feb 2026 |
| 30183 | Texstar Petroleum, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2000 |
| 30184 | Texsun Operating Company Limited | Abilene, TX 79601 | Oil & Gas Operator | Mar 1996 |
| 30185 | Textroleum Production, Inc. | Lubbock, TX 79452 | Oil & Gas Operator | Mar 2008 |
| 30186 | Textron Southwest Inc. | Henderson, TX 75654 | Oil & Gas Operator | Feb 2026 |
| 30187 | Textron Southwest L.L.C. | Addison, TX 75001 | Oil & Gas Operator | Oct 2004 |
| 30188 | Texu Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jan 2007 |
| 30189 | Texwycal Operations, Inc | Palm Desert, CA 92260 | Oil & Gas Operator | Feb 2010 |
| 30190 | Texxol Operating Company, Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Feb 2026 |
| 30191 | Texxon Resources, Inc. | Winter Park, FL 32792 | Oil & Gas Operator | Feb 2026 |
| 30192 | Texzona Oil & Gas, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1997 |
| 30193 | TFP Corporation | Medina, OH 44256 | Oil & Gas Operator | Dec 2024 |
| 30194 | TFX, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2019 |
| 30195 | TGNR East Texas II LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 30196 | TGNR East Texas LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 30197 | TGNR Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 30198 | TGNR Panola LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 30199 | TGNR TVL LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 30200 | Tgo Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2008 |