| 701 | Allstate Energy Corp | Smithville, WV 26178 | Oil & Gas Operator | Dec 2021 |
| 702 | Alltex Exploration, Inc. | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
| 703 | Allwaste Oilfield Services Inc | | Oil Operator | May 1996 |
| 704 | Alma Gas Co Inc | Olean, NY 14760 | Gas Operator | Dec 2022 |
| 705 | Almac Engineering | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2007 |
| 706 | Almack John And Glenda | Perry, OK 73077-8819 | Oil & Gas Operator | Apr 2016 |
| 707 | Alme, Henry A. | Cut Bank, MT 59427 | Gas Operator | Jan 2024 |
| 708 | Almond Crest Oil LLC | | Oil & Gas Operator | Nov 2023 |
| 709 | Almont Energy LLC | | Oil & Gas Operator | Oct 2021 |
| 710 | Alna Energy LLC | New Lexington, OH 43764 | Oil & Gas Operator | Dec 2022 |
| 711 | Alog, LLC | Brewton, AL 36427 | Oil & Gas Operator | Nov 2023 |
| 712 | Alpar Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Jul 2011 |
| 713 | Alpha Coal West Inc | Gillette, WY 82716 | Oil & Gas Operator | Jun 2020 |
| 714 | Alpha Energy | Anson, TX 79501 | Oil & Gas Operator | Oct 2016 |
| 715 | Alpha Energy LLC | Ashland, OR 97520 | Oil & Gas Operator | Dec 2023 |
| 716 | Alpha Energy Operating LLC | Dallas, TX 75254 | Oil & Gas Operator | Feb 2012 |
| 717 | Alpha Energy Partners LLC | Midland, TX 79702 | Gas Operator | Feb 2024 |
| 718 | Alpha Exploration Co. | Wichita Falls, TX 76309 | Oil & Gas Operator | Oct 1998 |
| 719 | Alpha Gamma Onshore, LLC | Midland, TX 79702 | Oil Operator | Apr 2024 |
| 720 | Alpha Gas Corporation | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 2007 |
| 721 | Alpha Management | | Oil & Gas Operator | Jan 1994 |
| 722 | Alpha Oil & Gas Inc. | | Oil & Gas Operator | Sep 1989 |
| 723 | Alpha Oil & Gas LLC | Austin, TX 78734 | Gas Operator | Apr 2024 |
| 724 | Alpha Oil Company | | Oil Operator | Jul 2004 |
| 725 | Alpha Omega Petroleum, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Mar 1996 |
| 726 | Alpha Petro Development Inc | Tulsa, OK 74136-7048 | Oil & Gas Operator | May 2013 |
| 727 | Alpha Petroleum | | Oil & Gas Operator | Jan 2024 |
| 728 | Alpha Petrovision Us Inc | Canada, 00100 | Oil & Gas Operator | May 2013 |
| 729 | Alpha Shale Res LP | Canonsburg, PA 15317-9554 | Gas Operator | Aug 2017 |
| 730 | Alphin, Don R | El Dorado, AR 71730 | Oil Operator | Feb 2024 |
| 731 | Alpine Drilling | | Oil & Gas Operator | May 1994 |
| 732 | Alpine Drilling Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2000 |
| 733 | Alpine Energy Corp. | | Oil & Gas Operator | Jun 2004 |
| 734 | Alpine Energy, Inc. | | Oil & Gas Operator | Dec 1999 |
| 735 | Alpine Expl. Companies, Inc. | | Oil & Gas Operator | Dec 2023 |
| 736 | Alpine Exploration Co, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Nov 2017 |
| 737 | Alpine Gas Company, LLC | Dallas, TX 75201 | Oil & Gas Operator | Oct 2006 |
| 738 | Alpine Gas Operator, LLC | | Oil & Gas Operator | Jan 2024 |
| 739 | Alpine Inc | Oklahoma City, OK 73134-2504 | Oil & Gas Operator | Sep 2023 |
| 740 | Alpine Oil & Gas Corp | Durango, CO 81302 | Gas Operator | Jun 2003 |
| 741 | Alpine Oil & Gas Inc | Edmond, OK 73083-1264 | Oil & Gas Operator | Mar 2008 |
| 742 | Alpine Petroleum | Abilene, TX 79608 | Oil & Gas Operator | Jul 2018 |
| 743 | Alpine Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 744 | Alpine Well Service Inc | | Oil & Gas Operator | Feb 2024 |
| 745 | Alps Oil Company | Odessa, TX 79760 | Oil & Gas Operator | Aug 1999 |
| 746 | Alquip Limited Liability Company | Buckhannon, WV 26201-2049 | Gas Operator | Dec 2021 |
| 747 | Alsid Oil & Gas | Hanoverton,, OH 44423 | Oil & Gas Operator | Dec 2003 |
| 748 | Alta Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1995 |
| 749 | Alta Mesa Services, LP | Houston, TX 77084 | Oil & Gas Operator | Apr 2024 |
| 750 | Alta VIsta Oil Corporation | Clearmont, WY 82835 | Oil & Gas Operator | Jul 2021 |
| 751 | Altair Corporation | | Oil & Gas Operator | Aug 1998 |
| 752 | Altair Energy Corp. | Tyler, TX 75702 | Oil & Gas Operator | Jun 1994 |
| 753 | Altalay STX LLC | San Juan, PR 00968 | Oil & Gas Operator | Apr 2024 |
| 754 | Altamont Energy Operating LLC | Greenwood VIlliage, CO 80111 | Oil & Gas Operator | Feb 2024 |
| 755 | Altamont Oil & Gas Inc. | Cut Bank, MT 59427-0200 | Oil & Gas Operator | May 2012 |
| 756 | Altavista Energy, Inc. | Wellsville, KS 66092 | Oil Operator | Dec 2023 |
| 757 | Alternative Ener | | Oil Operator | Jan 1995 |
| 758 | Altex Energy Corporation | Oklahoma City, OK 73142-1920 | Oil & Gas Operator | Mar 2015 |
| 759 | Altex Inc | Corning, OH 43730 | Oil & Gas Operator | Dec 1985 |
| 760 | Altex Oil Company | Breckenridge, CO 80424 | Oil & Gas Operator | Dec 2005 |
| 761 | Altex Oil Corp | Breckenridge, CO 80424-1057 | Oil & Gas Operator | Dec 1999 |
| 762 | Altex Resources, Inc. | Carney, OK 74832 | Oil & Gas Operator | Mar 2015 |
| 763 | Altex Resources, Inc. (A Texas Corp.) | FT. Worth, TX 76107 | Oil Operator | Apr 1997 |
| 764 | Altheirs Oil, Inc. | Corning, OH 43730 | Oil & Gas Operator | Dec 2023 |
| 765 | Altier Brothers Inc | Corning, OH 43730 | Oil & Gas Operator | Dec 2023 |
| 766 | Altier Petroleum Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2022 |
| 767 | Altman Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2024 |
| 768 | Alto Minerals, Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2019 |
| 769 | Alton Oil LLC | Winfield, KS 67156 | Oil & Gas Operator | Dec 2023 |
| 770 | Altos Petroleum Serv Inc | Bristolville, OH 44402 | Oil & Gas Operator | Dec 1992 |
| 771 | Altura Energy LTD. | Houston, TX 77210 | Oil & Gas Operator | Apr 2000 |
| 772 | Alturas Energy, LLC | Sidney, MT 59270 | Oil Operator | Mar 2022 |
| 773 | Altus Exploration Company | Denver, CO 80202 | Oil & Gas Operator | Jul 1984 |
| 774 | Alumni Oil LLC | Plano, TX 75024 | Oil Operator | Apr 2024 |
| 775 | Alumni Petroleum And Resource Management Corp | | Oil & Gas Operator | Mar 1988 |
| 776 | Alva J. Dixon | | Oil & Gas Operator | Aug 1991 |
| 777 | Alvarado 2014 LLC | Houston, TX 77027 | Oil & Gas Operator | Apr 2024 |
| 778 | Alvey Partners | Slaton, TX 79364 | Gas Operator | Apr 2024 |
| 779 | Alvin & Roger Wilson | | Oil Operator | Dec 2007 |
| 780 | Alvin Wilson, Et Al | | Oil Operator | May 1991 |
| 781 | Alyaha Energy, LLC | Dumas, TX 79029 | Gas Operator | Apr 2024 |
| 782 | Alyana Energy Corporation | Houston, TX 77227 | Oil & Gas Operator | Apr 1995 |
| 783 | Alyndson Oil & Gas Inc. | Alice, TX 78333 | Oil & Gas Operator | Jun 2000 |
| 784 | Am-Tek Oil Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 2022 |
| 785 | Am-West Petroleum Inc | Upton, WY 82730 | Oil & Gas Operator | Sep 2015 |
| 786 | Amac Energy, L.L.C. | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2024 |
| 787 | Amac Inc | Newark, OH 43055 | Oil & Gas Operator | Dec 1989 |
| 788 | Amalgamated Bonanza Petr. LTD. | | Oil & Gas Operator | Apr 1980 |
| 789 | Amalgamated Sludge NM, LLC | Dallas, TX 75208 | Gas Operator | Jan 2024 |
| 790 | Amarex Inc | | Oil & Gas Operator | Dec 1996 |
| 791 | Amarex Incorpora | | Oil Operator | Feb 1985 |
| 792 | Amarillo Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Apr 2024 |
| 793 | Amarillo Oil Company | | Oil & Gas Operator | Aug 1980 |
| 794 | Amaroq Resources, LLC | | Gas Operator | Feb 2024 |
| 795 | Amata Oils Inc | | Oil Operator | Dec 2015 |
| 796 | Amax Oil & Gas Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2014 |
| 797 | Amax Petroleum C | | Oil & Gas Operator | Aug 1986 |
| 798 | Amax Petroleum Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2012 |
| 799 | Amax Petroluem Corp. | | Oil & Gas Operator | Nov 1983 |
| 800 | Amazon Exploration LLC | | Oil Operator | Apr 2016 |