| 701 | Four Starr Energy, Inc. | Dallas, TX 75243 | Gas Operator | May 2016 |
| 702 | Four Starr Production, LLC | Dallas, TX 75243 | Oil & Gas Operator | Feb 2026 |
| 703 | Four States Petr | | Oil & Gas Operator | Nov 1990 |
| 704 | Four Teams Oil Production & Exploration Inc. | | Oil & Gas Operator | Nov 2025 |
| 705 | Four W Oil Co., LLC | | Oil Operator | Dec 2024 |
| 706 | Four-A Energy LLC | Cody, WY 82414 | Oil Operator | Jan 2026 |
| 707 | Four-C Management & Industries | Rockdale, TX 76567 | Oil & Gas Operator | Aug 2008 |
| 708 | Four-J Oil Ops | Osawatomie, KS 66064 | Oil Operator | Mar 1998 |
| 709 | Four-O-One Corporation | Edmond, OK 73013-1977 | Oil & Gas Operator | Mar 2015 |
| 710 | Four-S Oil Co., LTD. | Kilgore, TX 75663 | Oil Operator | Apr 2007 |
| 711 | Four-Way Oper In | | Oil Operator | Aug 1994 |
| 712 | Four-Way Operating, Inc. | Great Bend, KS 67530 | Oil Operator | Sep 2013 |
| 713 | Fourcooks Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 714 | Fourpoint Energy, LLC | Denver, CO 80206 | Oil & Gas Operator | Feb 2026 |
| 715 | Fourpoint Resources, LLC | Denver, CO 80206 | Oil & Gas Operator | Dec 2025 |
| 716 | Fourstar Resources LLC | Westlake, TX 76262 | Oil Operator | Dec 2025 |
| 717 | Fourth Floor Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Feb 2026 |
| 718 | Fourth Quarter Program | Boulder, CO 80306 | Oil Operator | Feb 2006 |
| 719 | Fourway Oil Company | Longview, TX 75606 | Oil & Gas Operator | Feb 2026 |
| 720 | Fourwinds Oil Corporation | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 721 | Fouss Energy LLC | Whipple, OH 45788 | Oil & Gas Operator | Dec 2024 |
| 722 | Fouts Operations Inc | Glouster, OH 45732 | Oil & Gas Operator | Dec 1987 |
| 723 | Fouts William Bruce | Glouster, OH 45732 | Oil & Gas Operator | Dec 2024 |
| 724 | Fowler Oil & Gas LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Feb 2026 |
| 725 | Fowler, Leonard | | Gas Operator | Dec 1998 |
| 726 | Fox Auto Sales Of Tennessee, Inc | | Oil Operator | Dec 2012 |
| 727 | Fox Construction, Inc. | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 728 | Fox Drilling Co | | Oil & Gas Operator | Oct 2015 |
| 729 | Fox Jr Jimmy D | Bartlesville, OK 74003 | Oil & Gas Operator | Nov 2005 |
| 730 | Fox Northeastern Oil & Gas Corp | Dewey, OK 74029 | Oil & Gas Operator | Dec 2025 |
| 731 | Fox Oil And Gas Inc | Houston, TX 77002 | Gas Operator | Dec 2002 |
| 732 | Fox Oil, Inc. | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 1999 |
| 733 | Fox Operating Company | Dallas, TX 75240 | Oil & Gas Operator | Dec 2025 |
| 734 | Fox Production Co LLC | Ardmore, OK 73401-6305 | Oil & Gas Operator | Aug 2009 |
| 735 | Fox, Don | Chase, KS 67524 | Oil & Gas Operator | Jul 2006 |
| 736 | Fox, Hewitt B., Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Feb 2026 |
| 737 | Fox, Warren F. Family Trust | Plains, KS 67869 | Oil Operator | Jun 2016 |
| 738 | Foxborough Energy Company, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Feb 2026 |
| 739 | Foxfire Expl. | | Oil Operator | Jun 1997 |
| 740 | Foxfire Explorat | | Oil Operator | Dec 1986 |
| 741 | Foxfire Productions, Inc. | Corsicana, TX 75110 | Oil Operator | Jul 2014 |
| 742 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
| 743 | FP Operations, LLC | Dallas, TX 75219 | Oil & Gas Operator | Nov 2025 |
| 744 | Fpco Oil & Gas Co. | New Orleans, LA 70160 | Oil & Gas Operator | Sep 2025 |
| 745 | Fraco Services, Inc. | Burkburnett, TX 76354 | Oil Operator | Feb 2026 |
| 746 | Fractal Operating LLC | Ardmore, OK 73401-6515 | Gas Operator | Sep 2020 |
| 747 | Fram Operating LLC | | Oil & Gas Operator | Dec 2018 |
| 748 | Fran Investments, Inc. | Laredo, TX 78043 | Oil & Gas Operator | Feb 2026 |
| 749 | Fran Oil, Inc. | | Oil & Gas Operator | Dec 2024 |
| 750 | Frances Oil Co. | Corsicana, TX 75110 | Oil & Gas Operator | Feb 2026 |
| 751 | Francis Oil & Gas, LLC | | Oil & Gas Operator | Jan 2011 |
| 752 | Francis Well Service, Inc. | Sandyville, WV 25275 | Oil & Gas Operator | Dec 2021 |
| 753 | Francis, Joseph | | Oil Operator | Dec 1982 |
| 754 | Francis-Guido Oil Expl. Inc. | | Oil Operator | Feb 1986 |
| 755 | Francis-Guido Operating Co Inc | | Oil & Gas Operator | Dec 1987 |
| 756 | Francisco Creek Operating, Inc. | Castroville, TX 78009 | Oil Operator | Feb 2026 |
| 757 | Frank B McGrath | | Gas Operator | Nov 2011 |
| 758 | Frank B. Aumiller | | Oil Operator | Jun 1991 |
| 759 | Frank Brendel Oil & Gas LLC | Canal Fulton, OH 44614-5817 | Oil & Gas Operator | Dec 2024 |
| 760 | Frank C. VInson | | Oil & Gas Operator | May 1995 |
| 761 | Frank H. Stephan Oil Group | | Oil Operator | Dec 2015 |
| 762 | Frank Hale | | Oil & Gas Operator | Jan 2025 |
| 763 | Frank J. Hall | | Oil & Gas Operator | Oct 1979 |
| 764 | Frank L Washabaugh Oil Producers | Imperial, PA 15126-1050 | Oil & Gas Operator | Dec 2010 |
| 765 | Frank Louis L | Kingsville, TX 78364 | Oil & Gas Operator | Aug 2003 |
| 766 | Frank S. Moore | | Oil Operator | Feb 1990 |
| 767 | Frank Scott Moran | | Oil & Gas Operator | Jun 2007 |
| 768 | Frank Spooner | | Oil & Gas Operator | Mar 1984 |
| 769 | Frank T Fleet Inc | Ada, OK 74820 | Oil Operator | Nov 2025 |
| 770 | Frank, Erwin | Bowling Green, KY 42101 | Oil Operator | Dec 2019 |
| 771 | Franklin Calvin | | Oil Operator | Aug 1995 |
| 772 | Franklin Donna | Gotebo, OK 73041 | Oil & Gas Operator | Dec 2025 |
| 773 | Franklin Gas & Oil Co LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 774 | Franklin Oil Company | | Oil & Gas Operator | Dec 2005 |
| 775 | Franklin Properties LLC | | Oil & Gas Operator | Aug 1998 |
| 776 | Franklin, J.W. Oil Operator | | Oil & Gas Operator | Nov 2001 |
| 777 | Franklin, Jack | Arlington, TX 76013 | Oil & Gas Operator | Nov 2007 |
| 778 | Franklin, Tony | Columbia, KY 42728 | Oil Operator | Dec 2023 |
| 779 | Frankrich Operating Company | | Gas Operator | May 2007 |
| 780 | Franks & Bass Et Al | | Oil & Gas Operator | Sep 1989 |
| 781 | Franks & Broyles Et Al | | Oil & Gas Operator | Sep 1989 |
| 782 | Franks & Duggan | | Oil & Gas Operator | Nov 1987 |
| 783 | Franks & Flynn Energy | | Oil & Gas Operator | Jun 1987 |
| 784 | Franks & McRae | | Oil & Gas Operator | Sep 1989 |
| 785 | Franks & Petrofunds Inc. Etal | | Oil & Gas Operator | Jun 1986 |
| 786 | Franks & Petrofunds, Inc. | | Oil & Gas Operator | Sep 1989 |
| 787 | Franks - Arkla | | Oil & Gas Operator | Jun 1985 |
| 788 | Franks - Duggan Et Al | | Oil & Gas Operator | Aug 1989 |
| 789 | Franks Oil & Gas Inc | Cookson, OK 74427-0310 | Oil & Gas Operator | Oct 1998 |
| 790 | Franks Operating Company, L.L.C. | | Oil & Gas Operator | Dec 2024 |
| 791 | Franks Petroleum Inc. | | Oil & Gas Operator | Nov 1994 |
| 792 | Franks Petroleum, Inc. Et Al | | Oil & Gas Operator | Oct 1989 |
| 793 | Franks,Petrofunds & Flynn Etal | | Oil & Gas Operator | Nov 1984 |
| 794 | Franks-Grigsby &King Resources | | Gas Operator | Nov 1979 |
| 795 | Franks-Petrofund-Placid-Swepco | | Oil & Gas Operator | Aug 1989 |
| 796 | Franks-Petrofunds & Vermilion | | Oil & Gas Operator | Aug 1989 |
| 797 | Frantz Enterprises LTD. | Tiffin, OH 44883 | Oil & Gas Operator | Dec 2024 |
| 798 | Frantz Resource Management, LLC | Hartley, TX 79044 | Oil Operator | Feb 2026 |
| 799 | Franwin Oil And Gas Co. | | Gas Operator | Dec 1979 |
| 800 | Fratelli Exploration, L.P. | Bedford, TX 76095 | Oil Operator | Feb 2026 |