| 3801 | Excel Energy Co. | Coahoma, TX 79511 | Oil & Gas Operator | Feb 2026 |
| 3802 | Excel Energy, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Feb 2026 |
| 3803 | Excel Oil & Gas, Inc. | Waxahachie, TX 75168 | Oil & Gas Operator | Feb 2026 |
| 3804 | Excelco Energy Inc. | Kingwood, TX 77339 | Oil & Gas Operator | Jul 2018 |
| 3805 | Exchange Avenue Production Co. | Weatherford, TX 76086 | Oil & Gas Operator | Sep 2021 |
| 3806 | Exchange Exploration & Production Co. | Dallas, TX 75219 | Oil & Gas Operator | Nov 2025 |
| 3807 | Exchange Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1987 |
| 3808 | Exco Operating Company, LP | Dallas, TX 75251 | Oil & Gas Operator | Feb 2026 |
| 3809 | Exco Partners Operating PTSHP LP | Dallas, TX 75251 | Oil & Gas Operator | Jan 2009 |
| 3810 | Exco Production Company, LP | Dallas, TX 75251 | Oil & Gas Operator | Dec 2009 |
| 3811 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Nov 2025 |
| 3812 | Exco/Hgi JV Assets, LLC | Dallas, TX 75251 | Oil & Gas Operator | Jun 2014 |
| 3813 | Executive Production, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Feb 2026 |
| 3814 | Exit Oil & Gas | Flower Mound, TX 75028 | Oil & Gas Operator | Feb 2026 |
| 3815 | Exl Petroleum Operating Inc. | Midland, TX 79705 | Oil & Gas Operator | Feb 2020 |
| 3816 | Exl Petroleum, LP | Midland, TX 79705 | Oil & Gas Operator | Jun 2017 |
| 3817 | Exlco, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 3818 | Exmoor Oil & Minerals Corp. | Dallas, TX 75225 | Oil & Gas Operator | May 1994 |
| 3819 | Exodus Energy, Inc. | Huntington Beach, CA 92615 | Oil & Gas Operator | Jul 2018 |
| 3820 | Exok Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2025 |
| 3821 | Exorare Energy, Inc. | Dallas, TX 75218 | Oil & Gas Operator | Feb 2026 |
| 3822 | Exotic Oil & Gas LLC | Indiana, PA 15701-3634 | Oil & Gas Operator | Dec 2025 |
| 3823 | Exp, Inc. | Dallas, TX 75244 | Oil & Gas Operator | May 2003 |
| 3824 | Expand Oper LLC | Morgantown, WV 26508 | Oil & Gas Operator | Dec 2025 |
| 3825 | Expanding Energy Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2008 |
| 3826 | Explo Oil, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Feb 2026 |
| 3827 | Exploration Company, The | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2010 |
| 3828 | Exploration Techniques Inc. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 3829 | Export Petroleum Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | Feb 2026 |
| 3830 | Express Energy Group, LLC | Atlanta, TX 75551 | Oil & Gas Operator | Feb 2026 |
| 3831 | Express Oil And Gas | La Grange, TX 78945 | Oil & Gas Operator | Feb 2026 |
| 3832 | Express Oil Co. | Hallettsville, TX 77964 | Oil & Gas Operator | Feb 2026 |
| 3833 | Expro Engineering, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Feb 2026 |
| 3834 | Extech Operating, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Feb 2026 |
| 3835 | Extenergy, L.P. | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2014 |
| 3836 | Extex Operating Company | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 3837 | Exxcel Production Company | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 3838 | Exxon Corp. - Midland | Houston, TX 77210 | Gas Operator | Jul 1997 |
| 3839 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Feb 2026 |
| 3840 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Feb 2026 |
| 3841 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Sep 2025 |
| 3842 | Exzena Oil Corp. | Tyler, TX 75713 | Oil & Gas Operator | Feb 2026 |
| 3843 | Eylau Oil Inc. | Atlanta, TX 75551 | Oil & Gas Operator | Oct 2021 |
| 3844 | F & J Petroleum Company | Milano, TX 76556 | Oil Operator | Feb 2026 |
| 3845 | F & M Oil & Gas Co | Midland, TX 79702 | Oil & Gas Operator | Feb 2000 |
| 3846 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | Feb 2026 |
| 3847 | F & R Oil Co. | Dallas, TX 75205 | Oil & Gas Operator | May 2005 |
| 3848 | F & S Petroleum, L.L.C. | Lebanon, MO 65536 | Oil & Gas Operator | Feb 2026 |
| 3849 | F & S Production | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 3850 | F B Operating, Inc. | Montague, TX 76251 | Oil & Gas Operator | Aug 2003 |
| 3851 | F O & G LLC | Pawhuska, OK 74056-5075 | Oil Operator | Apr 2022 |
| 3852 | F Y B Investments, Inc. | Midland, TX 79711 | Oil & Gas Operator | Sep 1995 |
| 3853 | F&H Operating Company LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 3854 | F-B Oil, LP | Decatur, TX 76234 | Oil Operator | Aug 2015 |
| 3855 | F-W Oil Interests, Inc. | Houston, TX 77024 | Oil & Gas Operator | Dec 2006 |
| 3856 | F. B. R. Production Company | Pampa, TX 79066 | Oil & Gas Operator | May 2000 |
| 3857 | F. H. B. Company | Holliday, TX 76366 | Oil & Gas Operator | Feb 2026 |
| 3858 | F.I.G. Energy, LLC | Livingston, TX 77399 | Oil & Gas Operator | Feb 2026 |
| 3859 | F.M.C. Operating, Inc. | Austin, TX 78750 | Oil & Gas Operator | Oct 1996 |
| 3860 | Fabco | Big Lake, TX 76932 | Oil & Gas Operator | Feb 2026 |
| 3861 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 3862 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
| 3863 | Fair Oil, LC | Tyler, TX 75710 | Oil & Gas Operator | Oct 2001 |
| 3864 | Fair Oil, LTD. | Tyler, TX 75710 | Oil & Gas Operator | Feb 2026 |
| 3865 | Fair Operating, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Feb 2026 |
| 3866 | Fairfield Energy Corp. | Dallas, TX 75205 | Oil & Gas Operator | Feb 2026 |
| 3867 | Fairway Links Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Aug 2016 |
| 3868 | Fairway Operating, Inc. | Lake Jackson, TX 77566 | Oil & Gas Operator | Feb 2026 |
| 3869 | Fairway Resources Op III, LLC | Southlake, TX 76092 | Oil & Gas Operator | Feb 2026 |
| 3870 | Fairway Resources Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Aug 2022 |
| 3871 | Fairways Exploration & Production, LLC | Houston, TX 77057 | Oil & Gas Operator | Jan 2026 |
| 3872 | Fairways Offshore Expl Inc | Houston, TX 77040 | Oil & Gas Operator | Mar 2016 |
| 3873 | Fairways Spec. Sales & Serv Inc | Houston, TX 77040 | Oil & Gas Operator | Sep 2004 |
| 3874 | Faith Energy Exploration, Inc. | Ennis, TX 75119 | Oil & Gas Operator | Mar 2019 |
| 3875 | Falco S & D, Inc. | Shreveport, LA 71107 | Oil & Gas Operator | Apr 1998 |
| 3876 | Falcon Bay Energy, L.L.C | Midland, TX 79701 | Gas Operator | Jan 2005 |
| 3877 | Falcon Bay Operations, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2007 |
| 3878 | Falcon Creek Resources, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2001 |
| 3879 | Falcon Flight, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Apr 1995 |
| 3880 | Falcon Gas Storage Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2007 |
| 3881 | Falcon Minerals, LTD. | Houston, TX 77057 | Oil & Gas Operator | May 2010 |
| 3882 | Falcon Oil & Gas Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2022 |
| 3883 | Falcon Operating Company | Wichita Falls, TX 76302 | Gas Operator | Jan 2000 |
| 3884 | Falcon Production Co. | Floresville, TX 78114 | Oil & Gas Operator | Feb 2026 |
| 3885 | Falcon Production LLC | Austin, TX 78715 | Oil & Gas Operator | Feb 2026 |
| 3886 | Falcon Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2021 |
| 3887 | Falcon Seaboard Oil & Gas LP | Farmington, NM 87499 | Gas Operator | May 1998 |
| 3888 | Falls City Energy Corporation | Poth, TX 78147 | Oil & Gas Operator | May 2000 |
| 3889 | Falls Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 3890 | Falls Production Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 3891 | Fambrough Oil & Gas, LLC | San Angelo, TX 76905 | Oil & Gas Operator | Feb 2026 |
| 3892 | Fambrough, Tim D. | San Angelo, TX 76905 | Oil & Gas Operator | Nov 2016 |
| 3893 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
| 3894 | Family Trust B, The | San Angelo, TX 76904 | Oil & Gas Operator | May 2019 |
| 3895 | Fanion Production Co. | San Antonio, TX 78212 | Oil & Gas Operator | Oct 1997 |
| 3896 | Faoc Operating LLC | Houston, TX 77057 | Oil Operator | Jun 2018 |
| 3897 | Far West Development, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2026 |
| 3898 | Fargo Exploration Co. | Abilene, TX 79601 | Oil & Gas Operator | Dec 1995 |
| 3899 | Fargo Oil & Gas, LLC | Corpus Chrsti, TX 78415 | Oil & Gas Operator | Feb 2026 |
| 3900 | Farmer Operating, LLC | Olney, TX 76374 | Oil & Gas Operator | Dec 2019 |