| 28801 | Texan Production | Pearsall, TX 78061 | Oil & Gas Operator | Aug 2003 |
| 28802 | Texan Production Company, Inc. | Canyon Lake, TX 78133 | Oil & Gas Operator | Nov 2024 |
| 28803 | Texana Operating Company | Houston, TX 77090 | Oil & Gas Operator | Nov 2024 |
| 28804 | Texas American Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2001 |
| 28805 | Texas American Resources Company | Austin, TX 78701 | Oil & Gas Operator | Nov 2024 |
| 28806 | Texas City Refining, Inc. | | Oil & Gas Operator | Nov 1988 |
| 28807 | Texas Coastal Resources LLC | Fairhope, AL 36532 | Oil Operator | Nov 2024 |
| 28808 | Texas Concho Operating Co. | Eldorado, TX 76936 | Oil & Gas Operator | Mar 1999 |
| 28809 | Texas Consolidated Pet. Corp. | Fort Worth, TX 76109 | Oil & Gas Operator | Nov 2024 |
| 28810 | Texas Crude & Dale Gas Expl | | Oil & Gas Operator | Dec 1984 |
| 28811 | Texas Crude Energy, Inc. | Houston, TX 77256 | Oil & Gas Operator | Oct 2012 |
| 28812 | Texas Crude Exploration, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 1992 |
| 28813 | Texas Crude Oil Co. | | Oil & Gas Operator | Dec 1984 |
| 28814 | Texas Crude Oil Co. Et Al | | Oil & Gas Operator | May 1992 |
| 28815 | Texas Crude Oil, Inc. | | Oil & Gas Operator | Dec 1984 |
| 28816 | Texas Crude Operator, Inc. | Houston, TX 77098 | Oil & Gas Operator | Aug 2017 |
| 28817 | Texas Crude, Inc. | Houston, TX 77256 | Oil & Gas Operator | Oct 1995 |
| 28818 | Texas Crude-Rebstock & Reeves | | Oil & Gas Operator | Feb 1980 |
| 28819 | Texas Crude-Wainoco-Hilliard | | Oil & Gas Operator | Jul 1978 |
| 28820 | Texas Eastern Skyline Oil | Houston, TX 77252 | Oil & Gas Operator | Jan 1987 |
| 28821 | Texas Eastern Transm. Corp. | | Oil & Gas Operator | Dec 2002 |
| 28822 | Texas Energen Inc. | Austin, TX 78731 | Oil & Gas Operator | Nov 2024 |
| 28823 | Texas Energies I | | Oil & Gas Operator | Aug 1994 |
| 28824 | Texas Energies, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Aug 1998 |
| 28825 | Texas Energy & Environmental | Houston, TX 77070 | Oil & Gas Operator | Nov 1998 |
| 28826 | Texas Energy & Environmental Inc | Houston, TX 77269 | Oil & Gas Operator | Oct 1998 |
| 28827 | Texas Energy Mutual LLC | Grapevine, TX 76051-8145 | Oil Operator | Jun 2018 |
| 28828 | Texas Energy Operations, LC | Wichita Falls, TX 76301 | Oil & Gas Operator | Nov 2024 |
| 28829 | Texas Energy Sources, Inc. | Midland, TX 79708 | Oil & Gas Operator | Mar 2008 |
| 28830 | Texas Energy Trust Company | Midland, TX 79701 | Oil & Gas Operator | Jun 2016 |
| 28831 | Texas Exploration & Prod. Co. | Gainesville, TX 76240 | Oil & Gas Operator | Apr 1996 |
| 28832 | Texas Fuel Company | Galveston, TX 77550 | Oil & Gas Operator | Nov 2024 |
| 28833 | Texas Gas Exploration Corp. | | Oil & Gas Operator | Nov 1986 |
| 28834 | Texas Gas Resources, Inc. | Houston, TX 77292 | Oil & Gas Operator | Jul 2009 |
| 28835 | Texas Gas Transmission Corp. | | Oil Operator | Aug 2003 |
| 28836 | Texas Gas Transmission LLC | Owensboro, KY 42301 | Oil & Gas Operator | Jun 2024 |
| 28837 | Texas General Petroleum Corp | | Oil & Gas Operator | Aug 1984 |
| 28838 | Texas Gulf Gas Corporation | Fayetteville, TX 78940 | Oil & Gas Operator | Jun 2005 |
| 28839 | Texas Hydrogen Energy Corp. | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 28840 | Texas Ind. Exploration, Inc. | | Oil & Gas Operator | Oct 2001 |
| 28841 | Texas Independent Explor LTD. | Houston, TX 77024 | Oil & Gas Operator | Nov 2024 |
| 28842 | Texas Independent Explor., Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2002 |
| 28843 | Texas Independent Exploration LP | Houston, TX 77024 | Oil & Gas Operator | Mar 2017 |
| 28844 | Texas Independent Oil Co., LLC | Argyle, TX 76226 | Oil & Gas Operator | Nov 2024 |
| 28845 | Texas International Oper., LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2013 |
| 28846 | Texas International Resource LLC | Allen, TX 75013 | Oil Operator | Nov 2024 |
| 28847 | Texas Investments | San Angelo, TX 76904 | Oil & Gas Operator | Mar 2008 |
| 28848 | Texas JWB LLC | Rowlett, TX 75089 | Oil Operator | Nov 2024 |
| 28849 | Texas Keystone Inc | Oakmont, PA 15139-2072 | Oil & Gas Operator | Nov 2017 |
| 28850 | Texas Land & Petro Co., LLC | Carrollton, TX 75010 | Oil & Gas Operator | Nov 2024 |
| 28851 | Texas Land & Trading Co, Inc. | Austin, TX 78734 | Oil & Gas Operator | Mar 2008 |
| 28852 | Texas Lone Star Petroleum Corp. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2013 |
| 28853 | Texas M.O.R., Inc. | Corsicana, TX 75109 | Oil Operator | Sep 2013 |
| 28854 | Texas Meridian Operating Co. Inc | Houston, TX 77079 | Oil & Gas Operator | Oct 1993 |
| 28855 | Texas Meridian Res. Expl., Inc. | Houston, TX 77079 | Oil & Gas Operator | Jun 1998 |
| 28856 | Texas Mineral Group | Midland, TX 79705 | Oil & Gas Operator | Aug 2013 |
| 28857 | Texas Moran Exploration Company | Houston, TX 77098 | Oil & Gas Operator | Jun 2023 |
| 28858 | Texas Offshore Operations, LLC | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Nov 2024 |
| 28859 | Texas Oil & Gas | Denver, CO 80264 | Oil & Gas Operator | Oct 1981 |
| 28860 | Texas Oil & Gas Corporation | Dallas, TX 75201 | Oil & Gas Operator | Feb 2001 |
| 28861 | Texas Oil And Gas Operating, LLC | Friendswood, TX 77546 | Oil & Gas Operator | Nov 2024 |
| 28862 | Texas Oil Company, The | Houston, TX 77018 | Oil & Gas Operator | Aug 2006 |
| 28863 | Texas Oil Resources Oper, LLC | Houston, TX 77024 | Oil Operator | Nov 2024 |
| 28864 | Texas Onshore Energy, Inc. | Austin, TX 78704 | Oil & Gas Operator | Nov 2024 |
| 28865 | Texas Operating & Consult., LLC | Abilene, TX 79608 | Oil & Gas Operator | Feb 2018 |
| 28866 | Texas Pacific Oil Company Inc. | | Oil & Gas Operator | Dec 1980 |
| 28867 | Texas Petroleum Investment Company | Houston, TX 77057 | Oil & Gas Operator | Nov 2024 |
| 28868 | Texas Pharchem Inc. | Abilene, TX 79601 | Oil & Gas Operator | Apr 2019 |
| 28869 | Texas Presco, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2024 |
| 28870 | Texas Rayco Inc. | Palmetto, FL 34221 | Oil & Gas Operator | Nov 2024 |
| 28871 | Texas Reexploration Operating LC | Fredericksbrg, TX 78624 | Oil & Gas Operator | Nov 2024 |
| 28872 | Texas Refining, Inc. | Houston, TX 77057 | Oil & Gas Operator | Aug 2003 |
| 28873 | Texas Royalty Corp. | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 28874 | Texas Sands Resources, LLC | Abilene, TX 79603 | Oil Operator | Nov 2024 |
| 28875 | Texas Secondary Oil Corporation | Devine, TX 78016 | Oil & Gas Operator | Nov 2024 |
| 28876 | Texas Shallow Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 28877 | Texas South Operating Co, Inc. | Houston, TX 77027 | Oil Operator | Nov 2024 |
| 28878 | Texas Southern Petroleum Corp. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Nov 2024 |
| 28879 | Texas Southwest Gas LLC | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2022 |
| 28880 | Texas Standard Oil Operating Co. | Midland, TX 79705 | Oil & Gas Operator | Oct 2019 |
| 28881 | Texas State Oil Co. | Irving, TX 75062 | Oil & Gas Operator | Mar 2017 |
| 28882 | Texas Sunset Energy And Ent Inc | Victoria, TX 77904 | Oil Operator | Aug 2003 |
| 28883 | Texas T Oil Co. | | Oil & Gas Operator | Apr 1990 |
| 28884 | Texas Tea Of Colorado LLC Dba Texas Tea LLC | | Oil & Gas Operator | Jun 2021 |
| 28885 | Texas Tea Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2011 |
| 28886 | Texas Trade International Inc. | Andrews, TX 79714 | Oil Operator | Nov 2024 |
| 28887 | Texas United Geoproduction, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Nov 2024 |
| 28888 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 28889 | Texas Utilities Fuel Co. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2018 |
| 28890 | Texas Utilities Mining Co. | Dallas, TX 75201 | Oil & Gas Operator | May 1995 |
| 28891 | Texas Valley Oil & Gas, LLC | Hidalgo, TX 78557 | Oil Operator | Nov 2024 |
| 28892 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 28893 | Texas Western Energy Corporation | Portland, TX 78374 | Oil & Gas Operator | Nov 2002 |
| 28894 | Texas Western Oil Company | Sioux Falls, SD 57109 | Oil & Gas Operator | Sep 2013 |
| 28895 | Texas, Les & Co. | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 28896 | Texas, Les C., LTD. | Houston, TX 77095 | Oil & Gas Operator | Dec 2006 |
| 28897 | Texas-Australia Power Inc. | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2011 |
| 28898 | Texas-Ohio Producing Company | Spring, TX 77383 | Oil & Gas Operator | Jul 1995 |
| 28899 | Texasgulf Inc. | Newgulf, TX 77462 | Oil & Gas Operator | Jul 1994 |
| 28900 | Texcal Energy (GP) LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2016 |