| 3901 | Fore Oil, LLC | Manvel, TX 77578 | Oil Operator | May 2021 |
| 3902 | Foree Oil Company | Terrell, TX 75160 | Oil & Gas Operator | Nov 2024 |
| 3903 | Foree, R. L. Trust "A" | Dallas, TX 75225 | Oil & Gas Operator | Dec 1999 |
| 3904 | Foreland Operating, LLC | Royse City, TX 75189 | Oil & Gas Operator | Oct 2021 |
| 3905 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 3906 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 3907 | Forestar Oil & Gas LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2016 |
| 3908 | Forestar Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2017 |
| 3909 | Forge Energy Operating, LLC | San Antonio, TX 78249 | Oil & Gas Operator | Jun 2023 |
| 3910 | Forge Energy, LLC | San Antonio, TX 78249 | Oil & Gas Operator | Apr 2019 |
| 3911 | Formation Recovery LLC | Weatherford, TX 76087 | Oil & Gas Operator | Nov 2024 |
| 3912 | Formation Resources LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Nov 2024 |
| 3913 | Formentera Operations LLC | Austin, TX 78701 | Oil & Gas Operator | Nov 2024 |
| 3914 | Forney & McCombs | Houston, TX 77056 | Oil & Gas Operator | Jan 1998 |
| 3915 | Forney Oil Corporation | Houston, TX 77056 | Oil & Gas Operator | Jan 1998 |
| 3916 | Forrest Energy, LLC | Hattiesburg, MS 39401 | Oil & Gas Operator | Feb 1998 |
| 3917 | Forrester Oil & Gas Co. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2024 |
| 3918 | Forrester, J. L. | Longview, TX 75606 | Oil & Gas Operator | Nov 2024 |
| 3919 | Forsan Oil Company | Forsan, TX 79733 | Oil & Gas Operator | Jul 2008 |
| 3920 | Forster, Fred Jr. | Midland, TX 79705 | Oil & Gas Operator | Aug 2008 |
| 3921 | Fort Apache Energy, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Nov 2024 |
| 3922 | Fort Worth Natural Gas, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Nov 2024 |
| 3923 | Fort Worth Production Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 1996 |
| 3924 | Fortay Inc. | Sunray, TX 79086 | Oil & Gas Operator | Nov 2024 |
| 3925 | Forte Energy Corporation | Dallas, TX 75205 | Oil & Gas Operator | Dec 2010 |
| 3926 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
| 3927 | Fortuna Exploration, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Nov 2024 |
| 3928 | Fortuna Resources Dvlpment, LLC | Houston, TX 77055 | Oil & Gas Operator | Nov 2024 |
| 3929 | Fortune Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Nov 2024 |
| 3930 | Fortune Natural Resources Corp. | Houston, TX 77067 | Oil & Gas Operator | Dec 2003 |
| 3931 | Fortune Operating Company | Willis, TX 77378 | Oil & Gas Operator | Nov 2024 |
| 3932 | Fortune Operating, Inc. | Bowling Green, KY 42104 | Oil & Gas Operator | Nov 2024 |
| 3933 | Fortune Production Co. | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2008 |
| 3934 | Fortune Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Nov 2024 |
| 3935 | Forum Exploration Co., L.P. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2010 |
| 3936 | Forza Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Nov 2024 |
| 3937 | Fossil Creek Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2024 |
| 3938 | Fossil Energy Inc | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 3939 | Fossil Fuels Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2000 |
| 3940 | Fossil Operating, Inc. | Dallas, TX 75238 | Oil & Gas Operator | Nov 2024 |
| 3941 | Fossil Petroleum LLC | San Angelo, TX 76906 | Oil & Gas Operator | Nov 2024 |
| 3942 | Fossil Resources, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Oct 2017 |
| 3943 | Fossil Rock Resources, Inc. | Fort Worth, TX 76185 | Oil & Gas Operator | May 2016 |
| 3944 | Foster Energy Company | Tilden, TX 78072 | Oil & Gas Operator | Sep 2024 |
| 3945 | Foster Well Service, Inc. | Conroe, TX 77305 | Oil & Gas Operator | Jan 2000 |
| 3946 | Foster, Charles R. Co. | Haskell, TX 79521 | Oil & Gas Operator | Aug 2002 |
| 3947 | Foster, Randy | New Braunfels, TX 78132 | Oil & Gas Operator | Feb 2021 |
| 3948 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Nov 2024 |
| 3949 | Foundation Oil Company, Inc. | Kingwood, TX 77325 | Oil & Gas Operator | Nov 2024 |
| 3950 | Founders Oil & Gas Operating,LLC | Arlington, TX 76011 | Oil & Gas Operator | Jul 2023 |
| 3951 | Four - S Oil Company, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2008 |
| 3952 | Four Aces Company | Borger, TX 79008 | Oil & Gas Operator | Mar 1995 |
| 3953 | Four C Oil & Gas Corp. | Dallas, TX 75206 | Oil & Gas Operator | Jan 2024 |
| 3954 | Four Corners Energy, LLC | Gulf Breeze, FL 32563 | Oil & Gas Operator | Nov 2024 |
| 3955 | Four Corners Petroleum II, LLC | Denver, CO 80215 | Oil & Gas Operator | Feb 2023 |
| 3956 | Four Diamond Operating, LLC | Kilgore, TX 75663 | Oil Operator | Nov 2024 |
| 3957 | Four Forty One Oil Co. | Natalia, TX 78059 | Oil & Gas Operator | Nov 2024 |
| 3958 | Four H Oil Properties | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 3959 | Four K Production | Pampa, TX 79065 | Oil & Gas Operator | Nov 2024 |
| 3960 | Four Kin Oil Co | Muenster, TX 76252 | Oil & Gas Operator | Dec 2001 |
| 3961 | Four Seas Exploration LLC | Oklahoma City, OK 73101-1557 | Oil & Gas Operator | Dec 2019 |
| 3962 | Four Sevens Oil Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2001 |
| 3963 | Four Sevens Operating Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2024 |
| 3964 | Four Square Production, L.L.C. | Houston, TX 77079 | Oil & Gas Operator | Aug 2004 |
| 3965 | Four Star Oil & Gas Company | Houston, TX 77252 | Oil & Gas Operator | Jun 2024 |
| 3966 | Four Starr Energy, Inc. | Dallas, TX 75243 | Gas Operator | May 2016 |
| 3967 | Four Starr Production, LLC | Dallas, TX 75243 | Oil & Gas Operator | Nov 2024 |
| 3968 | Four-C Management & Industries | Rockdale, TX 76567 | Oil & Gas Operator | Aug 2008 |
| 3969 | Four-S Oil Co., LTD. | Kilgore, TX 75663 | Oil Operator | Apr 2007 |
| 3970 | Fourcooks Oil & Gas, LLC | Waco, TX 76710 | Oil Operator | Nov 2024 |
| 3971 | Fourpoint Energy, LLC | Denver, CO 80206 | Oil & Gas Operator | Nov 2024 |
| 3972 | Fourstar Resources LLC | Westlake, TX 76262 | Oil Operator | Sep 2024 |
| 3973 | Fourth Floor Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 3974 | Fourway Oil Company | Longview, TX 75606 | Oil & Gas Operator | Nov 2024 |
| 3975 | Fowler Oil & Gas LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Nov 2024 |
| 3976 | Fox Oil And Gas Inc | Houston, TX 77002 | Gas Operator | Dec 2002 |
| 3977 | Fox Oil, Inc. | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 1999 |
| 3978 | Fox Operating Company | Dallas, TX 75240 | Oil & Gas Operator | Sep 2024 |
| 3979 | Fox, Hewitt B., Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Nov 2024 |
| 3980 | Foxborough Energy Company, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Nov 2024 |
| 3981 | Foxfire Productions, Inc. | Corsicana, TX 75110 | Oil Operator | Jul 2014 |
| 3982 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
| 3983 | Fraco Services, Inc. | Burkburnett, TX 76354 | Oil Operator | Nov 2024 |
| 3984 | Frances Oil Co. | Corsicana, TX 75110 | Oil & Gas Operator | Nov 2024 |
| 3985 | Francisco Creek Operating, Inc. | Castroville, TX 78009 | Oil Operator | Nov 2024 |
| 3986 | Frank Louis L | Kingsville, TX 78364 | Oil & Gas Operator | Aug 2003 |
| 3987 | Franklin, J.W. Oil Operator | | Oil & Gas Operator | Nov 2001 |
| 3988 | Franklin, Jack | Arlington, TX 76013 | Oil & Gas Operator | Nov 2007 |
| 3989 | Frantz Resource Management, LLC | Hartley, TX 79044 | Oil Operator | Nov 2024 |
| 3990 | Fratelli Exploration, L.P. | Bedford, TX 76095 | Oil Operator | Nov 2024 |
| 3991 | Frazier Exploration Partners,LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2024 |
| 3992 | Frazier Resources Company | Houston, TX 77057 | Gas Operator | May 2004 |
| 3993 | Frazier, VIolet H. | Abilene, TX 79604 | Oil & Gas Operator | Apr 2014 |
| 3994 | Fred Underwood, LLC | Dallas, TX 75230 | Oil & Gas Operator | Nov 2024 |
| 3995 | Fredco | Louise, TX 77455 | Oil & Gas Operator | Nov 2024 |
| 3996 | Freddy'S Well Service, Inc. | Victoria, TX 77902 | Oil & Gas Operator | Nov 2024 |
| 3997 | Fredna Oil Co. | Aledo, TX 76008 | Oil & Gas Operator | Sep 2020 |
| 3998 | Fredonia Resources Inc. | Longview, TX 75606 | Oil & Gas Operator | Aug 2003 |
| 3999 | Free Rein Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Nov 2024 |
| 4000 | Freedom Energy Inc | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Nov 2024 |