| 10501 | Frazier Temple Oil Co. | | Oil & Gas Operator | Dec 1996 |
| 10502 | Frazier, VIolet H. | Abilene, TX 79604 | Oil & Gas Operator | Apr 2014 |
| 10503 | Fre-Lyn, Inc. | | Oil Operator | Feb 1985 |
| 10504 | Fred Cagle | | Oil Operator | Dec 2025 |
| 10505 | Fred E. Simmons, Jr. | | Oil & Gas Operator | Nov 1981 |
| 10506 | Fred F Pool, III | Roswell, NM 88202 | Oil & Gas Operator | Mar 2007 |
| 10507 | Fred McCord Dba Fred Oil Company | Comanche, OK 73529 | Oil & Gas Operator | Mar 2026 |
| 10508 | Fred Olsen,Inc. | | Oil & Gas Operator | Jan 1981 |
| 10509 | Fred Pool DRLG Inc | Roswell, NM 88202 | Oil & Gas Operator | Dec 1999 |
| 10510 | Fred Underwood, LLC | Dallas, TX 75230 | Oil & Gas Operator | Aug 2026 |
| 10511 | Fred Whitaker | | Oil Operator | Feb 1985 |
| 10512 | Fredco | Louise, TX 77455 | Oil & Gas Operator | Aug 2026 |
| 10513 | Freddy'S Well Service, Inc. | Victoria, TX 77902 | Oil & Gas Operator | May 2025 |
| 10514 | Frederick Drilling Co & Sons Inc | | Oil & Gas Operator | Dec 2025 |
| 10515 | Frederick Petroleum Corp | Lowell, OH 45744 | Oil & Gas Operator | Dec 1990 |
| 10516 | Fredna Oil Co. | Aledo, TX 76008 | Oil & Gas Operator | Sep 2020 |
| 10517 | Fredonia Resources Inc. | Longview, TX 75606 | Oil & Gas Operator | Aug 2003 |
| 10518 | Fredria Bertrand, SR. | | Oil Operator | May 2021 |
| 10519 | Free Rein Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Aug 2026 |
| 10520 | Free State Petroleum | Hays, KS 67601 | Oil Operator | Jul 2021 |
| 10521 | Freebird Gas Storage, LLC | Houston, TX 77042 | Gas Operator | May 2000 |
| 10522 | Freedom Energy Inc | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Aug 2026 |
| 10523 | Freedom Energy LLC | Lake Arthur, NM 88253 | Oil & Gas Operator | Jun 2024 |
| 10524 | Freedom Energy, Inc. (I) | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jun 2003 |
| 10525 | Freedom Energy, LTD. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jun 2011 |
| 10526 | Freedom Oil & Gas, Inc. | Branchland, WV 25506 | Gas Operator | Dec 2021 |
| 10527 | Freedom Oil Company LLC | | Oil Operator | Dec 2025 |
| 10528 | Freedom Operating Company LLC | Tulsa, OK 74136-6834 | Oil & Gas Operator | May 2026 |
| 10529 | Freeman Energy Inc. (I) | Fredericksbrg, TX 78624 | Oil & Gas Operator | Aug 1996 |
| 10530 | Freeman Expl. & Prod. Co., Inc. | Houston, TX 77279 | Oil & Gas Operator | Aug 2020 |
| 10531 | Freeman Oil | | Oil & Gas Operator | Jun 1995 |
| 10532 | Freeman Oil Co | Midland, TX 79701 | Oil & Gas Operator | Sep 2014 |
| 10533 | Freeman, James C. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Sep 2000 |
| 10534 | Freeman, Kathleen Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 1996 |
| 10535 | Freeman, Michael | Abilene, TX 79601 | Oil & Gas Operator | Aug 2026 |
| 10536 | Freeport Oil Company | New Orleans, LA 70112 | Oil & Gas Operator | Oct 1979 |
| 10537 | Freeport-McMoran Inc | New Orleans, LA 70160 | Oil & Gas Operator | Apr 1997 |
| 10538 | Freeport-McMoran Oil & Gas Co. | | Oil & Gas Operator | Jan 1991 |
| 10539 | Freeport-McMoran Oil & Gas LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 10540 | Freestone Resources, Inc | Dallas, TX 75201 | Oil & Gas Operator | Aug 2026 |
| 10541 | Fremen Walter E | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2026 |
| 10542 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 10543 | Fremont Energy Inc | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2019 |
| 10544 | Fremont Energy, L.P. | Dallas, TX 75225 | Oil & Gas Operator | Dec 1999 |
| 10545 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 10546 | French & Walker Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 1993 |
| 10547 | French & Winters | | Oil Operator | Feb 1994 |
| 10548 | French Creek Dev Inc | | Oil & Gas Operator | Dec 2006 |
| 10549 | French Jr L R | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 10550 | French Oil Inc | Lawton, OK 73501-9454 | Oil & Gas Operator | Apr 2026 |
| 10551 | French Production Incorporated | Houston, TX 77086 | Oil & Gas Operator | Dec 1997 |
| 10552 | French R B Exploration Co | Wichita Falls, TX 76308 | Oil Operator | Dec 1991 |
| 10553 | French R E Oil C | | Oil Operator | Feb 1994 |
| 10554 | Frerichs, Everett | | Oil Operator | Dec 2025 |
| 10555 | Fresno Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Aug 2026 |
| 10556 | Frewsburg Central School District | Frewsburg, NY 14738 | Gas Operator | Dec 2025 |
| 10557 | Frey Well Drilling, Inc. | Alden, NY 14004 | Gas Operator | Dec 2025 |
| 10558 | Frickey Investment MGT Co LLC | Lakewood, CO 80215 | Oil & Gas Operator | Jun 2026 |
| 10559 | Friedel Petroleum Corp Inc | Piedmont, OK 73078 | Gas Operator | Apr 2026 |
| 10560 | Friemel & Carpenter, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2002 |
| 10561 | Friemel, Paul D. & Assoc., Inc. | Boerne, TX 78006 | Oil & Gas Operator | Mar 2007 |
| 10562 | Friendly Energy Services, Inc. | Corpus Christ, TX 78410 | Oil & Gas Operator | Aug 2026 |
| 10563 | Frierson & Kirchner | | Oil & Gas Operator | Mar 2007 |
| 10564 | Frio Engineering Inc. | Houston, TX 77066 | Oil & Gas Operator | Aug 2026 |
| 10565 | Frio Exploration Company | Pearland, TX 77588 | Oil & Gas Operator | Dec 2000 |
| 10566 | Frio Exploration, L.L.C. | | Gas Operator | Aug 2000 |
| 10567 | Frio Oil & Gas, LTD. | Austin, TX 78731 | Oil Operator | Aug 2026 |
| 10568 | Frio Production Co. | Alice, TX 78333 | Oil & Gas Operator | Sep 1998 |
| 10569 | Frio Resources, LLC | Houston, TX 77024 | Oil & Gas Operator | Aug 2026 |
| 10570 | Frisco Energy, L.L.C. | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2026 |
| 10571 | Frisco Oil Corporation | Tyler, TX 75701 | Oil & Gas Operator | Mar 2000 |
| 10572 | Frisco Petroleum Management, LLC | Frisco, TX 75034 | Oil & Gas Operator | Sep 2021 |
| 10573 | Fritz & Digman Inc | | Oil Operator | May 2026 |
| 10574 | Fritz Operating Co. | | Oil & Gas Operator | Jun 1990 |
| 10575 | Fritzler Resources Inc | Fort Morgan, CO 80701 | Oil & Gas Operator | Apr 2026 |
| 10576 | Fritzler Trucking, Inc. | Ness City, KS 67560 | Oil Operator | Sep 2007 |
| 10577 | Froelich Oil | | Oil Operator | Apr 2010 |
| 10578 | Frog Island, L.L.C. | | Oil Operator | Jan 2025 |
| 10579 | Fronczek, John & Diane | East Aurora, NY 14052 | Gas Operator | Dec 2025 |
| 10580 | Front Street Operating, LLC | Sourlake, TX 77659 | Oil & Gas Operator | Aug 2026 |
| 10581 | Frontier Central School District | Hamburg, NY 14075 | Gas Operator | Dec 2025 |
| 10582 | Frontier Exploration, Inc. | | Oil & Gas Operator | Aug 1984 |
| 10583 | Frontier Gas Operating Corp. | Houston, TX 77002 | Oil & Gas Operator | Jul 1998 |
| 10584 | Frontier Land Company, Inc. | Leawood, KS 66206 | Oil Operator | Sep 2008 |
| 10585 | Frontier Natural Resources | Bellefonte, PA 16823 | Gas Operator | Mar 2026 |
| 10586 | Frontier Oil Com | | Oil & Gas Operator | May 1995 |
| 10587 | Frontier Oil Company | | Oil Operator | Oct 1999 |
| 10588 | Frontier Operating Corporation | Albany, TX 76430 | Oil & Gas Operator | Aug 2026 |
| 10589 | Frontier Resources, Inc. | Dallas, TX 75214 | Oil & Gas Operator | Aug 2026 |
| 10590 | Frontier, Inc. | | Oil Operator | Oct 1998 |
| 10591 | Frost Black Creek Oil & Gas Production LLC | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2025 |
| 10592 | Frost Brothers Resources, LLLP | Fort Worth, TX 76101 | Gas Operator | Nov 2024 |
| 10593 | Frost R Z & Assoc Inc | Chauncey, OH 45719 | Oil & Gas Operator | Dec 1988 |
| 10594 | Frost, C.M., P.M. & V.W. | Simonton, TX 77476 | Oil & Gas Operator | Feb 2000 |
| 10595 | Frost, Steven G. & Ashley R. | Sinclairville, NY 14782 | Gas Operator | Dec 2025 |
| 10596 | Frost,Cyrus B.,Jr.& Fleming, WM. | Eastland, TX 76448 | Oil & Gas Operator | May 2004 |
| 10597 | Frostman Oil Corp | Hope, NM 882501567 | Oil & Gas Operator | Mar 2008 |
| 10598 | Frostwood Energy, LLC | Houston, TX 77219 | Oil & Gas Operator | Aug 2026 |
| 10599 | Fruehauf Antrim LP | | Gas Operator | Jan 2005 |
| 10600 | Fruehauf H R Jr | | Gas Operator | Jan 2004 |