| 28301 | Texas Oil & Gas | Denver, CO 80264 | Oil & Gas Operator | Oct 1981 |
| 28302 | Texas Oil & Gas Corporation | Dallas, TX 75201 | Oil & Gas Operator | Feb 2001 |
| 28303 | Texas Oil And Gas Operating, LLC | Friendswood, TX 77546 | Oil & Gas Operator | May 2024 |
| 28304 | Texas Oil Company, The | Houston, TX 77018 | Oil & Gas Operator | Aug 2006 |
| 28305 | Texas Oil Resources Oper, LLC | Houston, TX 77024 | Oil Operator | May 2024 |
| 28306 | Texas Onshore Energy, Inc. | Austin, TX 78704 | Oil & Gas Operator | May 2024 |
| 28307 | Texas Operating & Consult., LLC | Abilene, TX 79608 | Oil & Gas Operator | Feb 2018 |
| 28308 | Texas Pacific Oil Company Inc. | | Oil & Gas Operator | Dec 1980 |
| 28309 | Texas Petroleum Investment Company | Houston, TX 77057 | Oil & Gas Operator | May 2024 |
| 28310 | Texas Pharchem Inc. | Abilene, TX 79601 | Oil & Gas Operator | Apr 2019 |
| 28311 | Texas Presco, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | May 2024 |
| 28312 | Texas Rayco Inc. | Palmetto, FL 34221 | Oil & Gas Operator | May 2024 |
| 28313 | Texas Reexploration Operating LC | Fredericksbrg, TX 78624 | Oil & Gas Operator | May 2024 |
| 28314 | Texas Refining, Inc. | Houston, TX 77057 | Oil & Gas Operator | Aug 2003 |
| 28315 | Texas Royalty Corp. | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
| 28316 | Texas Sands Resources, LLC | Abilene, TX 79603 | Oil Operator | May 2024 |
| 28317 | Texas Secondary Oil Corporation | Devine, TX 78016 | Oil & Gas Operator | May 2024 |
| 28318 | Texas Shallow Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 28319 | Texas South Operating Co, Inc. | Houston, TX 77027 | Oil Operator | May 2024 |
| 28320 | Texas Southern Petroleum Corp. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | May 2024 |
| 28321 | Texas Southwest Gas LLC | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2022 |
| 28322 | Texas Standard Oil Operating Co. | Midland, TX 79705 | Oil & Gas Operator | Oct 2019 |
| 28323 | Texas State Oil Co. | Irving, TX 75062 | Oil & Gas Operator | Mar 2017 |
| 28324 | Texas Sunset Energy And Ent Inc | Victoria, TX 77904 | Oil Operator | Aug 2003 |
| 28325 | Texas T Oil Co. | | Oil & Gas Operator | Apr 1990 |
| 28326 | Texas Tea Of Colorado LLC Dba Texas Tea LLC | | Oil & Gas Operator | Jun 2021 |
| 28327 | Texas Tea Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2011 |
| 28328 | Texas Trade International Inc. | Andrews, TX 79714 | Oil Operator | May 2024 |
| 28329 | Texas United Geoproduction, Inc. | Abilene, TX 79606 | Oil & Gas Operator | May 2024 |
| 28330 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 28331 | Texas Utilities Fuel Co. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2018 |
| 28332 | Texas Utilities Mining Co. | Dallas, TX 75201 | Oil & Gas Operator | May 1995 |
| 28333 | Texas Valley Oil & Gas, LLC | Hidalgo, TX 78557 | Oil Operator | May 2024 |
| 28334 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 28335 | Texas Western Energy Corporation | Portland, TX 78374 | Oil & Gas Operator | Nov 2002 |
| 28336 | Texas Western Oil Company | Sioux Falls, SD 57109 | Oil & Gas Operator | Sep 2013 |
| 28337 | Texas, Les & Co. | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
| 28338 | Texas, Les C., LTD. | Houston, TX 77095 | Oil & Gas Operator | Dec 2006 |
| 28339 | Texas-Australia Power Inc. | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2011 |
| 28340 | Texas-Ohio Producing Company | Spring, TX 77383 | Oil & Gas Operator | Jul 1995 |
| 28341 | Texasgulf Inc. | Newgulf, TX 77462 | Oil & Gas Operator | Jul 1994 |
| 28342 | Texcal Energy (GP) LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2016 |
| 28343 | Texcal Oil Co | Cuero, TX 77954 | Oil & Gas Operator | Feb 2006 |
| 28344 | Texcal Oil Inc. | Vidor, TX 77662 | Oil & Gas Operator | Jun 1999 |
| 28345 | Texcal Resources, Inc. | Plano, TX 75094 | Oil & Gas Operator | Apr 1994 |
| 28346 | Texcel Exploration, Inc. | Colorado SPGS, CO 80960 | Oil & Gas Operator | May 2024 |
| 28347 | Texdon Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2005 |
| 28348 | Texeast Operating Co., Inc. | Farmers BRNCH, TX 75234 | Oil Operator | May 2024 |
| 28349 | Texegy Operating Company LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2023 |
| 28350 | Texian Operating Company, LLC | Irving, TX 75063 | Oil & Gas Operator | May 2024 |
| 28351 | Texical, Inc. | Katy, TX 77491 | Oil & Gas Operator | May 2024 |
| 28352 | Texican Crude & Hydrocarbons LLC | Houston, TX 77002 | Oil Operator | Sep 2023 |
| 28353 | Texinia Corp | Dallas, TX 75201 | Oil & Gas Operator | Jun 2015 |
| 28354 | Texinia Limited Partnership | Dallas, TX 75201 | Gas Operator | Jan 2017 |
| 28355 | Texinia Oil & Gas Inc. | Dallas, TX 75214 | Oil & Gas Operator | Jan 2024 |
| 28356 | Texkan Exploration LLC | Plainville, KS 67663 | Oil Operator | Dec 2019 |
| 28357 | Texkan Resources, LLC | Odessa, TX 79765 | Oil & Gas Operator | Dec 2019 |
| 28358 | Texla Energy Products LLC | Houston, TX 77002 | Oil Operator | Sep 2020 |
| 28359 | Texla Operating Co | Jonesville, TX 75659 | Oil & Gas Operator | May 2024 |
| 28360 | Texlan Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Nov 1994 |
| 28361 | Texlan Oil Company, L.C. | Tyler, TX 75711 | Oil & Gas Operator | Aug 2003 |
| 28362 | Texland Petroleum Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2007 |
| 28363 | Texland Petroleum, L.P. | Fort Worth, TX 76107 | Oil & Gas Operator | May 2024 |
| 28364 | Texland Petroleum-Hobbs, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2024 |
| 28365 | Texland-Rector & Schumacher | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
| 28366 | Texland/JMC Joint Venture | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2002 |
| 28367 | Texlark Exploration Company, Inc | Plano, TX 75074 | Oil & Gas Operator | Sep 2001 |
| 28368 | Texocan Minerals Inc | Tulsa, OK 74147 | Oil & Gas Operator | Dec 2000 |
| 28369 | Texoil Company | | Oil & Gas Operator | Dec 2000 |
| 28370 | Texokan Energy C | | Oil Operator | Nov 1986 |
| 28371 | Texokan Operating, Inc. | Dallas, TX 75206 | Oil & Gas Operator | May 2024 |
| 28372 | Texokan Resources, Inc. | Dallas, TX 75206 | Oil Operator | Apr 2012 |
| 28373 | Texoma Legacy Properties, LLC | Holliday, TX 76366 | Oil Operator | Dec 2023 |
| 28374 | Texoma Oil & Gas Corporation | Longview, TX 75604-3137 | Oil Operator | Apr 2014 |
| 28375 | Texoma Oil Tools, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2024 |
| 28376 | Texoma Production Co | | Oil & Gas Operator | Jun 1986 |
| 28377 | Texon Oil Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |
| 28378 | Texona Petroleum Corporation | Houston, TX 77084 | Oil & Gas Operator | Aug 2003 |
| 28379 | Texowa, LLC | Roanoke, TX 76262 | Oil Operator | May 2024 |
| 28380 | Texoz E&P I, Inc. | Houston, TX 77077 | Oil & Gas Operator | May 2024 |
| 28381 | Texploration | Rosharon, TX 77583 | Oil Operator | May 2024 |
| 28382 | Texron Operating, LLC | Bulverde, TX 78163 | Oil & Gas Operator | May 2024 |
| 28383 | Texstar Drilling, Inc. | Houston, TX 77084 | Oil & Gas Operator | May 2024 |
| 28384 | Texstar North America, Inc. | Waynesboro, MS 39367 | Oil & Gas Operator | Aug 1994 |
| 28385 | Texstar Oil & Gas, LLC | Luling, TX 78648 | Oil & Gas Operator | May 2024 |
| 28386 | Texstar Operating Inc. | Lubbock, TX 79423 | Oil & Gas Operator | May 2024 |
| 28387 | Texstar Petroleum, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2000 |
| 28388 | Texsun Operating Company Limited | Abilene, TX 79601 | Oil & Gas Operator | Mar 1996 |
| 28389 | Textroleum Production, Inc. | Lubbock, TX 79452 | Oil & Gas Operator | Mar 2008 |
| 28390 | Textron Southwest Inc. | Henderson, TX 75654 | Oil & Gas Operator | May 2024 |
| 28391 | Textron Southwest L.L.C. | Addison, TX 75001 | Oil & Gas Operator | Oct 2004 |
| 28392 | Texu Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jan 2007 |
| 28393 | Texxol Operating Company, Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | May 2024 |
| 28394 | Texxon Resources, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2024 |
| 28395 | Texzona Oil & Gas, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1997 |
| 28396 | TFX, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2019 |
| 28397 | TGNR East Texas LLC | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
| 28398 | TGNR Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
| 28399 | TGNR TVL LLC | | Oil & Gas Operator | Dec 2023 |
| 28400 | Tgo Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2008 |