| 27801 | T. N. T. Energy Co. | | Oil Operator | May 1991 |
| 27802 | T. O. Kimbrell, LLC | | Oil & Gas Operator | Mar 2024 |
| 27803 | T. R. Production, Inc. | Pilot Point, TX 76258 | Oil & Gas Operator | Jul 2021 |
| 27804 | T. W. Drilling Co. | Abilene, TX 79601 | Oil & Gas Operator | Aug 2002 |
| 27805 | T. W. McGuire & Associates, Inc. | | Oil & Gas Operator | Nov 2018 |
| 27806 | T. West Bullock, SR. | | Oil & Gas Operator | Mar 1989 |
| 27807 | T.B. Lanford Et Al | | Oil Operator | Apr 1987 |
| 27808 | T.C.G. Oil Co. | Iola, KS 66749 | Oil Operator | Sep 2009 |
| 27809 | T.C.G. Oil Co., A General Partnership | Laharpe, KS 66755 | Oil Operator | Aug 2009 |
| 27810 | T.D. Operating Company, Inc. | New Braunfels, TX 78130 | Oil & Gas Operator | Nov 1999 |
| 27811 | T.F. Well Service, L.L.C. | Iowa Park, TX 76367 | Oil Operator | May 2024 |
| 27812 | T.G.B., Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
| 27813 | T.J. Oil | | Oil Operator | Nov 2023 |
| 27814 | T.L.S. Oil Co. | Hawley, TX 79525 | Oil & Gas Operator | May 2024 |
| 27815 | T.M. Quaintance Crude Oil Production | Scio, NY 14880 | Oil Operator | Dec 2021 |
| 27816 | T.O. Greer Productions | | Oil & Gas Operator | Aug 2013 |
| 27817 | T.O.F., Inc. | | Oil & Gas Operator | Dec 2002 |
| 27818 | T.O.I. | Midland, TX 79710 | Oil & Gas Operator | Mar 2001 |
| 27819 | T.W.O. (Taylor Well Operating) | Missoula, MT 59803 | Oil & Gas Operator | Jan 2024 |
| 27820 | Tab Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | May 2024 |
| 27821 | Tabbs Bay Production Company | Houston, TX 77019 | Oil Operator | May 2024 |
| 27822 | Tabco Exploration Inc. | New Orleans, LA 70131 | Oil & Gas Operator | Dec 1998 |
| 27823 | Tabco Producing Co. | | Oil & Gas Operator | Jan 1998 |
| 27824 | Taber Oil Co | | Oil Operator | Sep 2018 |
| 27825 | Taber, Alan R. | La Vernia, TX 78121 | Oil Operator | May 2024 |
| 27826 | Taber, Grover E. Jr. | Cocoa, FL 32926 | Gas Operator | Dec 2022 |
| 27827 | Tabor Creek Oil Company | Albany, TX 76430 | Oil & Gas Operator | May 2024 |
| 27828 | Tabor, Danny | Scottsville, KY 42164 | Oil Operator | Dec 2022 |
| 27829 | Tabula Rasa Energy, LLC | Allen, TX 75013 | Oil & Gas Operator | Dec 2020 |
| 27830 | Tacitus, LLC | Farmington, NM 87401 | Oil & Gas Operator | Mar 2024 |
| 27831 | Tack Operating LLC | Oklahoma City, OK 73172-1492 | Oil & Gas Operator | Aug 2021 |
| 27832 | Tackett & Sons DRLG Contractors, Inc | Salyersville, , K 41465 | Oil & Gas Operator | Dec 2022 |
| 27833 | Tacor Resources Inc | Midland, TX 79701 | Oil & Gas Operator | May 2024 |
| 27834 | Tactical Oil & Gas, LLC | Odessa, TX 79768 | Oil & Gas Operator | May 2024 |
| 27835 | Tactical Operating Company, LLC | Houston, TX 77042 | Oil & Gas Operator | May 2024 |
| 27836 | Tadlock Properites | | Oil & Gas Operator | Jan 1994 |
| 27837 | Taft Investment Co., Inc. | Taft, TX 78390 | Oil Operator | May 2024 |
| 27838 | Taft Oil And Gas LLC | Bonham, TX 75418 | Oil & Gas Operator | Dec 2018 |
| 27839 | Tag Enterprises Inc | Shelocta, PA 15774-0310 | Gas Operator | Dec 2016 |
| 27840 | Tag Oil Co LLC | | Oil & Gas Operator | Feb 2024 |
| 27841 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | May 2024 |
| 27842 | Tag Petroleum Inc | Stillwater, OK 74076-1389 | Oil & Gas Operator | Jan 2021 |
| 27843 | Tag Team Resources LLC | Eufaula, OK 74432-0841 | Oil & Gas Operator | Jan 2024 |
| 27844 | Taggart Oil Co., Inc. | | Oil Operator | Oct 1992 |
| 27845 | Tahiti PTRS Enrgy Solutions Corp | Long Beach, CA 90807 | Oil Operator | May 2024 |
| 27846 | Tahoe Corporation | | Gas Operator | Feb 2023 |
| 27847 | Tahoe Energy, Inc. | Midland, TX 79703 | Oil & Gas Operator | Jul 1996 |
| 27848 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 27849 | Tai Inc Dba Trendwell Antrim Inc | | Gas Operator | Feb 2024 |
| 27850 | Tailwater, Inc. | Oklahoma City, OK 73154 | Oil Operator | Jan 2024 |
| 27851 | Taines, Michael Enterprises | | Oil & Gas Operator | Dec 2021 |
| 27852 | Takacs, Ray W. | North Huntington, PA 15642 | Gas Operator | Dec 2022 |
| 27853 | Talaria Oil & Gas LLC | Denver, CO 80203 | Oil Operator | May 2024 |
| 27854 | Talbert, Eugene Operating Co,Inc | Tyler, TX 75702 | Oil & Gas Operator | Dec 1997 |
| 27855 | Talbott Oil & Gas Co | Tuppers Plains, OH 45783 | Oil & Gas Operator | Dec 2000 |
| 27856 | Talbott, Stan C. | Midland, TX 79701 | Oil & Gas Operator | Feb 2005 |
| 27857 | Talbott, WM G | Albany, KY 42602 | Oil Operator | Dec 2022 |
| 27858 | Talco Midstream Assets, LTD. | | Oil Operator | May 2017 |
| 27859 | Taleeho Energy Co. | Normangee, TX 77871 | Oil & Gas Operator | Jun 2003 |
| 27860 | Talisman Energy USA Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | May 2016 |
| 27861 | Talisman Resources, Inc. | Argyle, TX 76226 | Oil & Gas Operator | Mar 1995 |
| 27862 | Tall City Operations III LLC | Midland, TX 79702 | Oil & Gas Operator | Jun 2023 |
| 27863 | Tall City Operations LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2016 |
| 27864 | Tall Dune Resources, LLC | Boerne, TX 78006 | Oil & Gas Operator | May 2024 |
| 27865 | Tallent, Edwin Miller | Albany, KY 42602 | Oil Operator | Dec 2021 |
| 27866 | Talley Resources | | Oil Operator | Jun 1994 |
| 27867 | Talley Resources, Inc. | | Oil & Gas Operator | Apr 1993 |
| 27868 | Talley, Don R. | Holliday, TX 76366 | Oil & Gas Operator | Jun 2002 |
| 27869 | Talley, W.T. | Olney, TX 76374 | Oil & Gas Operator | May 2005 |
| 27870 | Tallgrass Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | May 2024 |
| 27871 | Tallgrass Explor | | Oil Operator | Sep 1987 |
| 27872 | Tallgrass Petroleum Corp | Hominy, OK 74035 | Oil & Gas Operator | Feb 2012 |
| 27873 | Tallgrass Production Company LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Mar 2014 |
| 27874 | Tallman Industries Inc | | Oil Operator | Dec 2023 |
| 27875 | Tallman Trust Co | | Oil Operator | Dec 2023 |
| 27876 | Tally Ho Oil & Gas Co | Sunman, IN 47041 | Oil & Gas Operator | Dec 2021 |
| 27877 | Talon Development Company | Boerne, TX 78006 | Oil & Gas Operator | Sep 2007 |
| 27878 | Talon Group LLC | Hays, KS 67601 | Oil Operator | Jan 2024 |
| 27879 | Talon Oil & Gas LLC | Dallas, TX 75243 | Oil & Gas Operator | Dec 2010 |
| 27880 | Talon Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | May 2024 |
| 27881 | Talos Energy Offshore LLC | | Oil & Gas Operator | Dec 2023 |
| 27882 | Talos Ert LLC | | Oil & Gas Operator | Nov 2023 |
| 27883 | Talos Gulf Coast Onshore LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2023 |
| 27884 | Talos Third Coast LLC | | Oil & Gas Operator | Dec 2023 |
| 27885 | Talus Inc | Graham, TX 76450-1210 | Oil & Gas Operator | Feb 2017 |
| 27886 | Tam2 Squared Energy Services,LLC | Ranger, TX 76470 | Oil Operator | May 2024 |
| 27887 | Tam2 Squared Operating, LLC | Ranger, TX 76470 | Oil & Gas Operator | May 2024 |
| 27888 | Tamarack Energy Inc | Midland, TX 79701 | Oil & Gas Operator | Dec 2015 |
| 27889 | Tamarack Pet Co, Inc | | Oil Operator | Dec 2020 |
| 27890 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2024 |
| 27891 | Tamaroa Operating, LLC | Plano, TX 750866937 | Oil & Gas Operator | Dec 2023 |
| 27892 | Tamarron Resources, Inc. | Azle, TX 76020 | Oil & Gas Operator | May 2024 |
| 27893 | Tamco Drilling Inc | | Oil & Gas Operator | Apr 2003 |
| 27894 | Tamer Oil & Gas | Seminole, TX 79360 | Oil & Gas Operator | May 2024 |
| 27895 | Tammany Oil & Gas LLC | | Oil & Gas Operator | Feb 2005 |
| 27896 | Tamoil | | Oil Operator | May 2017 |
| 27897 | Tampke Service Co. | Devine, TX 78016 | Oil Operator | May 2024 |
| 27898 | Tamworth Resources LLC | | Oil & Gas Operator | Jan 2024 |
| 27899 | Tana Exploration Company LLC | Dallas, TX 75219 | Oil & Gas Operator | Aug 2021 |
| 27900 | Tana Oil And Gas Corporation | Irving, TX 75062 | Oil & Gas Operator | Mar 2000 |