| 601 | Alexander, Howard | Tulsa, OK 74114 | Oil & Gas Operator | Feb 1996 |
| 602 | Alexander, Jesse R. | McPherson, KS 67460 | Oil Operator | Aug 2010 |
| 603 | Alexander, John | Pearland, TX 77588 | Oil & Gas Operator | Apr 2024 |
| 604 | Alexander, Stanley | Electra, TX 76360 | Oil & Gas Operator | May 2016 |
| 605 | Alexander, Thomas M | | Oil Operator | Mar 2015 |
| 606 | Alexander-Loop Oil Prop. Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Nov 1998 |
| 607 | Alexandria Oil, Inc. | | Oil Operator | Dec 1991 |
| 608 | Alfaro Oil & Gas | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2024 |
| 609 | Alfaro Production LLC | Burkburnett, TX 76354 | Oil Operator | Apr 2024 |
| 610 | Alford Oil Corporation | Spring, TX 77379 | Oil & Gas Operator | May 2006 |
| 611 | Alford Paul | Ada, OK 74820 | Oil Operator | Jan 2020 |
| 612 | Alfred C. Glassell, Jr. | | Oil & Gas Operator | Apr 2007 |
| 613 | Alfred Lamson-James A. Crocker | | Oil & Gas Operator | Sep 1986 |
| 614 | Alfred, Dewayne L | Weston, WV 26542-0478 | Oil & Gas Operator | Dec 1996 |
| 615 | Algoa Operating Company, LLC | Houston, TX 77077 | Oil & Gas Operator | Sep 2002 |
| 616 | Alice-Sidney Oil Co | El Dorado, AR 71730 | Oil & Gas Operator | Feb 1995 |
| 617 | Alice-Sidney Oil Co LTD PRTSHP | | Oil & Gas Operator | Mar 2020 |
| 618 | Alinet Corporation | | Oil & Gas Operator | Aug 2013 |
| 619 | All Am, Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2016 |
| 620 | All Exploration LLC | Oklahoma City, OK 73120-7829 | Oil & Gas Operator | Dec 2023 |
| 621 | All In Energy Production, LLP | Red Rock, TX 78662 | Oil Operator | Apr 2024 |
| 622 | All Saints Lutheran Church | Hamburg, NY 14075 | Gas Operator | Dec 2022 |
| 623 | All States Oil & Producing Co Inc | Canton, OH 44702 | Oil & Gas Operator | Dec 2018 |
| 624 | Allam Carl Oil C | | Oil Operator | Mar 1986 |
| 625 | Allam Kevin T Oi | | Oil Operator | Jun 1988 |
| 626 | Allam Production, Inc. | Hutchinson, KS 67504 | Oil & Gas Operator | Dec 2023 |
| 627 | Allam WM Robt Jr | | Oil Operator | Aug 1993 |
| 628 | Allar Co., The | Graham, TX 76450 | Oil & Gas Operator | Dec 2004 |
| 629 | Alleder Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 630 | Allegany Energy, Inc. | Belmont, NY 14813 | Oil & Gas Operator | Dec 2022 |
| 631 | Allegheny Enterprises Inc | Corsica, PA 15829-3833 | Oil & Gas Operator | Dec 2018 |
| 632 | Allegheny Natural Resources Inc | Gibsonia, PA 15044-8055 | Gas Operator | Dec 2019 |
| 633 | Allegheny Producers Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1984 |
| 634 | Allegiance Operating Inc. | Wichita Falls, TX 76307 | Oil Operator | Apr 2024 |
| 635 | Allegiant Resources, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Apr 2024 |
| 636 | Allegro Investments, Inc. | Victoria, TX 77903 | Oil & Gas Operator | Nov 2020 |
| 637 | Allegro Operating, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Apr 2024 |
| 638 | Allen & Allen Oil Co | | Oil Operator | Jan 2024 |
| 639 | Allen & Grace Oil Company | Kingsbury, TX 78638 | Oil & Gas Operator | Jul 1997 |
| 640 | Allen & Shumate, Inc. | Alice, TX 78333 | Oil & Gas Operator | Jan 1996 |
| 641 | Allen And Crouch | Casper, WY 82602 | Oil & Gas Operator | Mar 2020 |
| 642 | Allen And Schramm Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 643 | Allen Benne | Ramona, OK 74061-3612 | Oil Operator | Aug 2010 |
| 644 | Allen Brothers | | Oil & Gas Operator | Dec 2023 |
| 645 | Allen Brothers Company | Oil City, LA 71061 | Oil & Gas Operator | Apr 1997 |
| 646 | Allen Delmar | Okemah, OK 74859-9801 | Oil & Gas Operator | Dec 2000 |
| 647 | Allen Drilling C | | Oil & Gas Operator | Nov 1994 |
| 648 | Allen Drilling Company | Great Bend, KS 67530 | Oil & Gas Operator | Dec 2009 |
| 649 | Allen J D & Comp | | Oil Operator | Jan 1983 |
| 650 | Allen J W Revocable Trust | Tulsa, OK 74101-0411 | Oil Operator | Nov 1998 |
| 651 | Allen Kent | Okemah, OK 74859-9700 | Oil Operator | Aug 2023 |
| 652 | Allen Mabel C | Dublin, OH 43017 | Oil Operator | Dec 1988 |
| 653 | Allen Michael | Broken Arrow, OK 74014-2239 | Oil & Gas Operator | Dec 2023 |
| 654 | Allen Oil & Gas LLC | | Oil Operator | Aug 2022 |
| 655 | Allen Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jun 2016 |
| 656 | Allen Operating Company, LLC | | Oil & Gas Operator | Feb 2024 |
| 657 | Allen Petroleum Company | | Oil Operator | Apr 1996 |
| 658 | Allen Petroleum, Inc. | | Oil Operator | Jul 2010 |
| 659 | Allen Richard R | Bartlesville, OK 74005 | Oil Operator | Aug 1999 |
| 660 | Allen Wade | Okmulgee, OK 74447-9717 | Oil & Gas Operator | Dec 2021 |
| 661 | Allen, C. L. (Doie) | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 662 | Allen, Mabel F. | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Jul 2002 |
| 663 | Allenco Energy Inc. | | Oil & Gas Operator | Nov 2023 |
| 664 | Allenergy Operating Co Inc | Coffeyville, KS 67337-6653 | Oil & Gas Operator | Mar 2015 |
| 665 | Allenergy, Inc. | Grove, OK 74345 | Oil & Gas Operator | Jul 2012 |
| 666 | Alliance Exploration Co., LLC | Tulsa, OK 74119 | Oil Operator | Apr 2017 |
| 667 | Alliance Exploration Corp. | | Oil & Gas Operator | Mar 1983 |
| 668 | Alliance Oil & Gas Co., Inc. | Corinth, TX 76205 | Oil & Gas Operator | Mar 2015 |
| 669 | Alliance Operating Corporation | | Oil & Gas Operator | Jan 1995 |
| 670 | Alliance Petroleum Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 671 | Alliance Petroleum Corporation | Canton, OH 44718-2553-2553 | Oil & Gas Operator | Dec 2019 |
| 672 | Alliance Resources (USA), Inc. | | Oil & Gas Operator | Oct 2002 |
| 673 | Alliance Resources Corporation | Dallas, TX 75367 | Oil & Gas Operator | Apr 2024 |
| 674 | Alliance Resources LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
| 675 | Allie Oil | | Oil Operator | May 2000 |
| 676 | Allied Energy Corporation | | Oil & Gas Operator | Nov 2023 |
| 677 | Allied Energy Operating, LLC | Horseshoe Bay, TX 78657 | Oil Operator | Apr 2024 |
| 678 | Allied Energy, Inc. | Saratoga, CA 95070 | Oil & Gas Operator | Dec 2021 |
| 679 | Allied Exploration, Inc. | | Oil & Gas Operator | May 2021 |
| 680 | Allied Oil Compa | | Oil & Gas Operator | Feb 1995 |
| 681 | Allied Oil Company, Inc. | Taneyville, MO 65759 | Oil Operator | Apr 1996 |
| 682 | Allied Oil Field Services LTD | Willoughby, OH 44094 | Oil & Gas Operator | Dec 2021 |
| 683 | Allied Operating LLC | Bowling Green, KY 42101-3980 | Oil & Gas Operator | Sep 2015 |
| 684 | Allied Operating Texas, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 685 | Allied Petroleum Company | | Gas Operator | Dec 1992 |
| 686 | Allied Petroleum Inc. | Oklahoma City, OK 73116-1516 | Oil & Gas Operator | Jun 2014 |
| 687 | Allied Western Petroleum | | Oil & Gas Operator | Nov 2023 |
| 688 | Allied-Gulf Energy, LLC | Lafayette, LA 70508 | Oil & Gas Operator | Apr 2024 |
| 689 | Alligator Rock Well Service LLC | | Oil & Gas Operator | Jan 2024 |
| 690 | Allison Bros DRLG Co Inc | | Oil & Gas Operator | Dec 2015 |
| 691 | Allison Dean Oil | | Oil & Gas Operator | Nov 1994 |
| 692 | Allison Energy Holdings LLC | | Oil Operator | Dec 2023 |
| 693 | Allison J A | | Oil & Gas Operator | Nov 1995 |
| 694 | Allison Oil Comp | | Oil Operator | Dec 1986 |
| 695 | Allison Operating Co., L.C. | Wichita, KS 67202 | Oil & Gas Operator | Dec 1998 |
| 696 | Allison Tom & Shelly Dba T & S Oil Company | Bartlesville, OK 74006-0722 | Oil & Gas Operator | Aug 2023 |
| 697 | Allison/Hobbs Inc. | Alba, TX 75410 | Oil & Gas Operator | Apr 2024 |
| 698 | Allshouse Terrence L Jr | Grand Valley, PA 16420-1930 | Oil & Gas Operator | Dec 2023 |
| 699 | Allsop Oil And Gas Company, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Nov 1996 |
| 700 | Allstar Oil And Gas Inc. | | Oil & Gas Operator | Nov 1992 |