| 3701 | Exmoor Oil & Minerals Corp. | Dallas, TX 75225 | Oil & Gas Operator | May 1994 |
| 3702 | Exodus Energy, Inc. | Huntington Beach, CA 92615 | Oil & Gas Operator | Jul 2018 |
| 3703 | Exok Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2026 |
| 3704 | Exorare Energy, Inc. | Dallas, TX 75218 | Oil & Gas Operator | Apr 2026 |
| 3705 | Exotic Oil & Gas LLC | Indiana, PA 15701-3634 | Oil & Gas Operator | Dec 2025 |
| 3706 | Exp, Inc. | Dallas, TX 75244 | Oil & Gas Operator | May 2003 |
| 3707 | Expand Oper LLC | Morgantown, WV 26508 | Oil & Gas Operator | Feb 2026 |
| 3708 | Expanding Energy Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2008 |
| 3709 | Explo Oil, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2026 |
| 3710 | Exploration Company, The | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2010 |
| 3711 | Exploration Techniques Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2026 |
| 3712 | Export Petroleum Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | Apr 2026 |
| 3713 | Express Energy Group, LLC | Atlanta, TX 75551 | Oil & Gas Operator | Apr 2026 |
| 3714 | Express Oil And Gas | La Grange, TX 78945 | Oil & Gas Operator | Apr 2026 |
| 3715 | Express Oil Co. | Hallettsville, TX 77964 | Oil & Gas Operator | Apr 2026 |
| 3716 | Expro Engineering, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Apr 2026 |
| 3717 | Extech Operating, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Apr 2026 |
| 3718 | Extenergy, L.P. | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2014 |
| 3719 | Extex Operating Company | Houston, TX 77057 | Oil & Gas Operator | Apr 2026 |
| 3720 | Exxcel Production Company | Pampa, TX 79066 | Oil & Gas Operator | Apr 2026 |
| 3721 | Exxon Corp. - Midland | Houston, TX 77210 | Gas Operator | Jul 1997 |
| 3722 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Apr 2026 |
| 3723 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Apr 2026 |
| 3724 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Jan 2026 |
| 3725 | Exzena Oil Corp. | Tyler, TX 75713 | Oil & Gas Operator | Apr 2026 |
| 3726 | Eylau Oil Inc. | Atlanta, TX 75551 | Oil & Gas Operator | Oct 2021 |
| 3727 | F & J Petroleum Company | Milano, TX 76556 | Oil Operator | Apr 2026 |
| 3728 | F & M Oil & Gas Co | Midland, TX 79702 | Oil & Gas Operator | Feb 2000 |
| 3729 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | Apr 2026 |
| 3730 | F & R Oil Co. | Dallas, TX 75205 | Oil & Gas Operator | May 2005 |
| 3731 | F & S Petroleum, L.L.C. | Lebanon, MO 65536 | Oil & Gas Operator | Apr 2026 |
| 3732 | F B Operating, Inc. | Montague, TX 76251 | Oil & Gas Operator | Aug 2003 |
| 3733 | F O & G LLC | Pawhuska, OK 74056-5075 | Oil Operator | Apr 2022 |
| 3734 | F Y B Investments, Inc. | Midland, TX 79711 | Oil & Gas Operator | Sep 1995 |
| 3735 | F&H Operating Company LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 3736 | F-B Oil, LP | Decatur, TX 76234 | Oil Operator | Aug 2015 |
| 3737 | F-W Oil Interests, Inc. | Houston, TX 77024 | Oil & Gas Operator | Dec 2006 |
| 3738 | F. B. R. Production Company | Pampa, TX 79066 | Oil & Gas Operator | May 2000 |
| 3739 | F. H. B. Company | Holliday, TX 76366 | Oil & Gas Operator | Apr 2026 |
| 3740 | F.I.G. Energy, LLC | Livingston, TX 77399 | Oil & Gas Operator | Apr 2026 |
| 3741 | F.M.C. Operating, Inc. | Austin, TX 78750 | Oil & Gas Operator | Oct 1996 |
| 3742 | Fabco | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2026 |
| 3743 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 3744 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
| 3745 | Fair Oil, LC | Tyler, TX 75710 | Oil & Gas Operator | Oct 2001 |
| 3746 | Fair Oil, LTD. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2026 |
| 3747 | Fair Operating, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Apr 2026 |
| 3748 | Fairfield Energy Corp. | Dallas, TX 75205 | Oil & Gas Operator | Apr 2026 |
| 3749 | Fairington, Inc. | Sanger, TX 76266 | Oil & Gas Operator | Apr 2026 |
| 3750 | Fairway Links Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Aug 2016 |
| 3751 | Fairway Operating, Inc. | Lake Jackson, TX 77566 | Oil & Gas Operator | Apr 2026 |
| 3752 | Fairway Resources Op III, LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2026 |
| 3753 | Fairway Resources Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Aug 2022 |
| 3754 | Fairways Exploration & Production, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2026 |
| 3755 | Fairways Offshore Expl Inc | Houston, TX 77040 | Oil & Gas Operator | Mar 2016 |
| 3756 | Fairways Spec. Sales & Serv Inc | Houston, TX 77040 | Oil & Gas Operator | Sep 2004 |
| 3757 | Faith Energy Exploration, Inc. | Ennis, TX 75119 | Oil & Gas Operator | Mar 2019 |
| 3758 | Falco S & D, Inc. | Shreveport, LA 71107 | Oil & Gas Operator | Apr 1998 |
| 3759 | Falcon Bay Energy, L.L.C | Midland, TX 79701 | Gas Operator | Jan 2005 |
| 3760 | Falcon Bay Operations, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2007 |
| 3761 | Falcon Creek Resources, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2001 |
| 3762 | Falcon Flight, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Apr 1995 |
| 3763 | Falcon Gas Storage Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2007 |
| 3764 | Falcon Minerals, LTD. | Houston, TX 77057 | Oil & Gas Operator | May 2010 |
| 3765 | Falcon Oil & Gas Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2022 |
| 3766 | Falcon Production Co. | Floresville, TX 78114 | Oil & Gas Operator | Apr 2026 |
| 3767 | Falcon Production LLC | Austin, TX 78715 | Oil & Gas Operator | Apr 2026 |
| 3768 | Falcon Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2021 |
| 3769 | Falcon Seaboard Oil & Gas LP | Farmington, NM 87499 | Gas Operator | May 1998 |
| 3770 | Falls Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2026 |
| 3771 | Falls Production Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 3772 | Fambrough Oil & Gas, LLC | San Angelo, TX 76905 | Oil & Gas Operator | Apr 2026 |
| 3773 | Fambrough, Tim D. | San Angelo, TX 76905 | Oil & Gas Operator | Nov 2016 |
| 3774 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
| 3775 | Family Trust B, The | San Angelo, TX 76904 | Oil & Gas Operator | May 2019 |
| 3776 | Fanion Production Co. | San Antonio, TX 78212 | Oil & Gas Operator | Oct 1997 |
| 3777 | Faoc Operating LLC | Houston, TX 77057 | Oil Operator | Jun 2018 |
| 3778 | Far West Development, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2026 |
| 3779 | Fargo Exploration Co. | Abilene, TX 79601 | Oil & Gas Operator | Dec 1995 |
| 3780 | Fargo Oil & Gas, LLC | Corpus Christ, TX 78415 | Oil & Gas Operator | Apr 2026 |
| 3781 | Farmer Operating, LLC | Olney, TX 76374 | Oil & Gas Operator | Dec 2019 |
| 3782 | Farmer, Hayden | Olney, TX 76374 | Oil & Gas Operator | Feb 1997 |
| 3783 | Farmer, Lewis & Hayden | Olney, TX 76374 | Oil & Gas Operator | Oct 2008 |
| 3784 | Farmers Of Tulsa Energy Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Sep 1997 |
| 3785 | Farrell Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2026 |
| 3786 | Farrex, Inc. | Vernon, TX 76384 | Oil & Gas Operator | Oct 2008 |
| 3787 | Farrington, Walter L., Jr. | Tyler, TX 75701 | Oil & Gas Operator | Feb 2002 |
| 3788 | Faseler, Herb | Hondo, TX 78861 | Oil Operator | Apr 2026 |
| 3789 | Fasken Oil And Ranch, LTD. | Midland, TX 79707 | Oil & Gas Operator | Apr 2026 |
| 3790 | Fasken, Barbara | Midland, TX 79701 | Oil & Gas Operator | Dec 1995 |
| 3791 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Apr 2026 |
| 3792 | Faulconer, Vernon E., Inc. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2026 |
| 3793 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | Apr 2026 |
| 3794 | Feagan Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 3795 | Fed Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 3796 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 3797 | Federal Oil, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Apr 2026 |
| 3798 | Federer, H. C. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 1993 |
| 3799 | Felderhoff Production Company | Muenster, TX 76252 | Oil & Gas Operator | Apr 2026 |
| 3800 | Felix Energy Holdings II, LLC | Tulsa, OK 74172 | Oil & Gas Operator | Apr 2020 |