| 28301 | Texas Tea Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2011 |
| 28302 | Texas Trade International Inc. | Andrews, TX 79714 | Oil Operator | Apr 2024 |
| 28303 | Texas United Geoproduction, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2024 |
| 28304 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 28305 | Texas Utilities Fuel Co. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2018 |
| 28306 | Texas Utilities Mining Co. | Dallas, TX 75201 | Oil & Gas Operator | May 1995 |
| 28307 | Texas Valley Oil & Gas, LLC | Hidalgo, TX 78557 | Oil Operator | Apr 2024 |
| 28308 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 28309 | Texas Western Energy Corporation | Portland, TX 78374 | Oil & Gas Operator | Nov 2002 |
| 28310 | Texas Western Oil Company | Sioux Falls, SD 57109 | Oil & Gas Operator | Sep 2013 |
| 28311 | Texas, Les & Co. | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
| 28312 | Texas, Les C., LTD. | Houston, TX 77095 | Oil & Gas Operator | Dec 2006 |
| 28313 | Texas-Australia Power Inc. | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2011 |
| 28314 | Texas-Ohio Producing Company | Spring, TX 77383 | Oil & Gas Operator | Jul 1995 |
| 28315 | Texasgulf Inc. | Newgulf, TX 77462 | Oil & Gas Operator | Jul 1994 |
| 28316 | Texcal Energy (GP) LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2016 |
| 28317 | Texcal Oil Co | Cuero, TX 77954 | Oil & Gas Operator | Feb 2006 |
| 28318 | Texcal Oil Inc. | Vidor, TX 77662 | Oil & Gas Operator | Jun 1999 |
| 28319 | Texcal Resources, Inc. | Plano, TX 75094 | Oil & Gas Operator | Apr 1994 |
| 28320 | Texcel Exploration, Inc. | Colorado SPGS, CO 80960 | Oil & Gas Operator | Apr 2024 |
| 28321 | Texdon Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2005 |
| 28322 | Texeast Operating Co., Inc. | Farmers BRNCH, TX 75234 | Oil Operator | Apr 2024 |
| 28323 | Texegy Operating Company LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2023 |
| 28324 | Texian Operating Company, LLC | Irving, TX 75063 | Oil & Gas Operator | Apr 2024 |
| 28325 | Texical, Inc. | Katy, TX 77491 | Oil & Gas Operator | Apr 2024 |
| 28326 | Texican Crude & Hydrocarbons LLC | Houston, TX 77002 | Oil Operator | Sep 2023 |
| 28327 | Texinia Corp | Dallas, TX 75201 | Oil & Gas Operator | Jun 2015 |
| 28328 | Texinia Limited Partnership | Dallas, TX 75201 | Gas Operator | Jan 2017 |
| 28329 | Texinia Oil & Gas Inc. | Dallas, TX 75214 | Oil & Gas Operator | Dec 2023 |
| 28330 | Texkan Exploration LLC | Plainville, KS 67663 | Oil Operator | Dec 2019 |
| 28331 | Texkan Resources, LLC | Odessa, TX 79765 | Oil & Gas Operator | Dec 2019 |
| 28332 | Texla Energy Products LLC | Houston, TX 77002 | Oil Operator | Sep 2020 |
| 28333 | Texla Operating Co | Jonesville, TX 75659 | Oil & Gas Operator | Apr 2024 |
| 28334 | Texlan Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Nov 1994 |
| 28335 | Texlan Oil Company, L.C. | Tyler, TX 75711 | Oil & Gas Operator | Aug 2003 |
| 28336 | Texland Petroleum Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2007 |
| 28337 | Texland Petroleum, L.P. | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
| 28338 | Texland Petroleum-Hobbs, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2024 |
| 28339 | Texland-Rector & Schumacher | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
| 28340 | Texland/JMC Joint Venture | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2002 |
| 28341 | Texlark Exploration Company, Inc | Plano, TX 75074 | Oil & Gas Operator | Sep 2001 |
| 28342 | Texocan Minerals Inc | Tulsa, OK 74147 | Oil & Gas Operator | Dec 2000 |
| 28343 | Texoil Company | | Oil & Gas Operator | Dec 2000 |
| 28344 | Texokan Energy C | | Oil Operator | Nov 1986 |
| 28345 | Texokan Operating, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2024 |
| 28346 | Texokan Resources, Inc. | Dallas, TX 75206 | Oil Operator | Apr 2012 |
| 28347 | Texoma Legacy Properties, LLC | Holliday, TX 76366 | Oil Operator | Dec 2023 |
| 28348 | Texoma Oil & Gas Corporation | Longview, TX 75604-3137 | Oil Operator | Apr 2014 |
| 28349 | Texoma Oil Tools, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 28350 | Texoma Production Co | | Oil & Gas Operator | Jun 1986 |
| 28351 | Texon Oil Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |
| 28352 | Texona Petroleum Corporation | Houston, TX 77084 | Oil & Gas Operator | Aug 2003 |
| 28353 | Texowa, LLC | Roanoke, TX 76262 | Oil Operator | Apr 2024 |
| 28354 | Texoz E&P I, Inc. | Houston, TX 77077 | Oil & Gas Operator | Apr 2024 |
| 28355 | Texploration | Rosharon, TX 77583 | Oil Operator | Apr 2024 |
| 28356 | Texron Operating, LLC | Bulverde, TX 78163 | Oil & Gas Operator | Apr 2024 |
| 28357 | Texstar Drilling, Inc. | Houston, TX 77084 | Oil & Gas Operator | Apr 2024 |
| 28358 | Texstar North America, Inc. | Waynesboro, MS 39367 | Oil & Gas Operator | Aug 1994 |
| 28359 | Texstar Oil & Gas, LLC | Luling, TX 78648 | Oil & Gas Operator | Apr 2024 |
| 28360 | Texstar Operating Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2024 |
| 28361 | Texstar Petroleum, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2000 |
| 28362 | Texsun Operating Company Limited | Abilene, TX 79601 | Oil & Gas Operator | Mar 1996 |
| 28363 | Textroleum Production, Inc. | Lubbock, TX 79452 | Oil & Gas Operator | Mar 2008 |
| 28364 | Textron Southwest Inc. | Henderson, TX 75654 | Oil & Gas Operator | Apr 2024 |
| 28365 | Textron Southwest L.L.C. | Addison, TX 75001 | Oil & Gas Operator | Oct 2004 |
| 28366 | Texu Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jan 2007 |
| 28367 | Texxol Operating Company, Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Apr 2024 |
| 28368 | Texxon Resources, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
| 28369 | Texzona Oil & Gas, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1997 |
| 28370 | TFX, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2019 |
| 28371 | TGNR East Texas LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 28372 | TGNR Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 28373 | TGNR TVL LLC | | Oil & Gas Operator | Dec 2023 |
| 28374 | Tgo Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2008 |
| 28375 | TGT Petroleum Co | | Oil & Gas Operator | Apr 1995 |
| 28376 | TGT Petroleum Corporation | Wichita, KS 67275 | Oil & Gas Operator | Dec 2023 |
| 28377 | TGX Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2004 |
| 28378 | Thagard Trust | Midland, TX 79702 | Gas Operator | Apr 2024 |
| 28379 | Thalmann Oil Field Service, Inc. | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Mar 2008 |
| 28380 | Thalmann Oilfield | Carrizo SPGS, TX 78834 | Oil Operator | Apr 2024 |
| 28381 | Thalmann, David Vac Service Inc | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Apr 2024 |
| 28382 | Tharp Oil, A General Partnership | Chanute, KS 66720 | Oil Operator | Mar 2014 |
| 28383 | Tharp Operating Company | Houston, TX 77070 | Oil & Gas Operator | Nov 2014 |
| 28384 | Thaxton Operating | | Oil Operator | Jan 1994 |
| 28385 | The A I Root Company | Medina, OH 44256 | Gas Operator | Dec 2023 |
| 28386 | The Arvin Company | | Oil Operator | Dec 2004 |
| 28387 | The B&B Oil Co Of Sabine Inc | | Oil Operator | Jun 1982 |
| 28388 | The B&C Corp-Imp Amer MGT Co | | Oil & Gas Operator | Aug 1981 |
| 28389 | The Ballard & Cordell Corp | | Oil & Gas Operator | Feb 1982 |
| 28390 | The Bering Company | | Oil Operator | Jul 1979 |
| 28391 | The Bill Bowman Oil Company | | Oil Operator | Dec 2023 |
| 28392 | The Blackbird Company | Shreveport, LA 71106 | Oil & Gas Operator | Feb 2024 |
| 28393 | The Bonds Company | | Oil Operator | Dec 2014 |
| 28394 | The Brinkerhoff Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
| 28395 | The Brogdon Company, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 28396 | The Calvert Company | Oklahoma City, OK 73154-1589 | Oil & Gas Operator | Dec 2021 |
| 28397 | The Carroll Rod & Gun Club, Inc. Of Frewsburg, Ny | Frewsburg, NY 14738 | Oil & Gas Operator | Dec 2022 |
| 28398 | The Colborn Company, Inc. | Eunice, NM 88231 | Oil & Gas Operator | Jan 2024 |
| 28399 | The Cornell Corporation | Fort Worth, TX 76109 | Oil & Gas Operator | Sep 1993 |
| 28400 | The Dow Chemical Company | | Oil & Gas Operator | Dec 1997 |