| 1701 | Avatar Energy LLC | Dallas, TX 75220-2230 | Oil & Gas Operator | Jul 2016 |
| 1702 | Aven Gas & Oil Inc | Oklahoma City, OK 73113-0491 | Oil & Gas Operator | Nov 2021 |
| 1703 | Averill, W. M. Inc. | Victoria, TX 77902 | Oil & Gas Operator | Jun 2003 |
| 1704 | Avers Harvey G Energy Expl | | Oil & Gas Operator | May 2013 |
| 1705 | Avery, Irving W. | Buena VIsta, CO 81211 | Oil & Gas Operator | Mar 2008 |
| 1706 | Avian Tech International, Inc. | Euless, TX 76040 | Oil & Gas Operator | Apr 1995 |
| 1707 | Aviara Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2002 |
| 1708 | Aviator Energy, LLC | Plano, TX 75093 | Oil Operator | Jun 2026 |
| 1709 | Avid Energy Assets LLC | Midland, TX 79708 | Oil & Gas Operator | Jun 2026 |
| 1710 | Avighna Energy Inc | Sugar Land, TX 77487 | Oil & Gas Operator | Jan 2019 |
| 1711 | Avips Petroleum, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Jun 1996 |
| 1712 | Aviva America, Inc. | | Oil & Gas Operator | Nov 2013 |
| 1713 | Avoca Farms LTD | Avoca, NY 14809 | Gas Operator | Dec 2024 |
| 1714 | Avon Energy Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 1996 |
| 1715 | Avondale Operating Co | Tulsa, OK 74145-7627 | Oil & Gas Operator | Apr 2019 |
| 1716 | Avra Oil Co | Dallas, TX 75248 | Oil & Gas Operator | Jun 2026 |
| 1717 | Aw Hembree Co | Shawnee, OK 74802-1725 | Oil & Gas Operator | Feb 2026 |
| 1718 | Aw Tipka Oil & Gas Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2025 |
| 1719 | Awp Operating Company | George West, TX 78022 | Oil & Gas Operator | Jun 2026 |
| 1720 | Ax Operating, L.L.C. | | Oil & Gas Operator | Jul 2018 |
| 1721 | Axem Resources I | | Oil Operator | Aug 1995 |
| 1722 | Axem Resources Inc | Denver, CO 80202-4617 | Oil & Gas Operator | Jul 2013 |
| 1723 | Axeon Energy Operations LLC | Evergreen, CO 80439-7624 | Oil Operator | Jul 2015 |
| 1724 | Axia Energy II LLC | HGHLNDS Ranch, CO 80129 | Oil & Gas Operator | Jan 2020 |
| 1725 | Axia Energy III LLC | Highlands Ranch, CO 80129 | Oil & Gas Operator | Feb 2026 |
| 1726 | Axia Energy LLC | Hghlands Ranch, CO 80129-2258 | Oil & Gas Operator | Apr 2015 |
| 1727 | Axio Production Company, L.P. | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2006 |
| 1728 | Axiom Energy LLC | Park City, UT 84098 | Oil Operator | Feb 2010 |
| 1729 | Axiom Tep, LLC | | Oil & Gas Operator | May 2015 |
| 1730 | Axis Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Jun 2026 |
| 1731 | Axis Exploration LLC | | Oil & Gas Operator | Feb 2026 |
| 1732 | Axis Onshore, LLC | | Oil & Gas Operator | Apr 2008 |
| 1733 | Axis Onshore, LP | | Oil & Gas Operator | Dec 2010 |
| 1734 | Axis Petroleum Co. | | Oil & Gas Operator | Dec 2022 |
| 1735 | Axp Energy, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2023 |
| 1736 | Axtel Energy, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Jun 2026 |
| 1737 | Aycox Robert D | Healdton, OK 73438 | Oil Operator | Sep 2022 |
| 1738 | Ayer, Robert & Ann | Hartford, KY 42347 | Oil Operator | Dec 2024 |
| 1739 | Ayers Oil Co. | Crystal City, TX 78839 | Oil & Gas Operator | Sep 1995 |
| 1740 | Ayers, R.B. | Sidney, TX 76474 | Oil & Gas Operator | Apr 2003 |
| 1741 | Aylward Drilling | | Oil & Gas Operator | Dec 1986 |
| 1742 | Ayres, C. D. | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2026 |
| 1743 | Ayres, Joe D. | Holliday, TX 76366 | Oil & Gas Operator | Dec 2004 |
| 1744 | Azalea Oil Company LLC | Castle Rock, CO 80108 | Oil Operator | Mar 2026 |
| 1745 | Azar Marsha | Chicago, IL 60618 | Oil Operator | Jan 2025 |
| 1746 | Azariah Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Mar 2026 |
| 1747 | Azco Opr Co | Phoenix, AZ 85076-0535 | Oil & Gas Operator | Dec 2001 |
| 1748 | Azimuth Energy, LLC | Denver, CO 80203 | Oil & Gas Operator | Sep 2006 |
| 1749 | Azkan Oil & Gas LLC | | Oil Operator | Jul 2024 |
| 1750 | Aztec Drilling & Operating, LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2015 |
| 1751 | Aztec Energy, LLC | Wichita Falls, TX 76301 | Oil Operator | Jun 2026 |
| 1752 | Aztec Exploration Inc | Oklahoma City, OK 73143 | Oil & Gas Operator | May 2013 |
| 1753 | Aztec Gas And Oil Corporation | Elephant Butte, NM 87935-0370 | Oil & Gas Operator | Mar 2005 |
| 1754 | Aztec Oil & Gas Company | | Oil & Gas Operator | Mar 1978 |
| 1755 | Aztec Oil & Gas Company "A" | Wichita Falls, TX 76309 | Oil & Gas Operator | Sep 2010 |
| 1756 | Aztec Oil Co | | Oil & Gas Operator | Dec 1977 |
| 1757 | Aztec Oil Operating LLC | El Dorado, KS 67042 | Oil & Gas Operator | Feb 2026 |
| 1758 | Aztec Producing Company Inc | | Oil & Gas Operator | May 2022 |
| 1759 | Aztec Production Company | | Oil & Gas Operator | Jan 1996 |
| 1760 | Azteca Operating, Inc. | Electra, TX 76360 | Oil Operator | Jun 2026 |
| 1761 | Azteca Petroleum, LLC | Fort Worth, TX 76106 | Oil & Gas Operator | Jun 2026 |
| 1762 | Aztel Operating Inc. | Windthorst, TX 76389 | Oil Operator | Oct 2003 |
| 1763 | Aztex Petroleum | Chandler, AZ 85249 | Oil & Gas Operator | Jun 2026 |
| 1764 | Azul Operating, LLC | | Gas Operator | Dec 2024 |
| 1765 | Azul, Inc. | Buffalo Gap, TX 79508 | Oil & Gas Operator | Aug 1995 |
| 1766 | Azure Energy LTD | Tulsa, OK 74135-7825 | Oil & Gas Operator | Feb 2026 |
| 1767 | B & B #1 LLC | Chandler, OK 74834 | Oil & Gas Operator | Feb 2026 |
| 1768 | B & B Drilling Co. | Milano, TX 76556 | Oil & Gas Operator | Jul 2015 |
| 1769 | B & B Energy | Kermit, TX 79745 | Oil & Gas Operator | Jun 2026 |
| 1770 | B & B Enterprises | | Oil Operator | Jan 2025 |
| 1771 | B & B Farm Industries, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2002 |
| 1772 | B & B Oil | Lyons, KS 67554 | Oil Operator | Oct 2025 |
| 1773 | B & B Oil % Willie Booth | El Dorado, KS 67042 | Oil Operator | Oct 2001 |
| 1774 | B & B Oil & Gas Prod Co | Dayton, PA 16222-5722 | Oil & Gas Operator | Dec 2019 |
| 1775 | B & B Oil Compan | | Oil & Gas Operator | Jul 1992 |
| 1776 | B & B Oil Company | Corsicana, TX 75110 | Oil & Gas Operator | Feb 2026 |
| 1777 | B & B Oil LLC | Havana, KS 67347 | Oil & Gas Operator | Feb 2026 |
| 1778 | B & B Oil Recovery | | Oil Operator | Feb 2026 |
| 1779 | B & B Oil Well Service Company Inc | | Oil Operator | Aug 1988 |
| 1780 | B & B Oil, Inc. | Kerrville, TX 78028 | Oil & Gas Operator | Jun 2026 |
| 1781 | B & B Oilfield Services Inc | Windham, OH 44288 | Oil & Gas Operator | Dec 2024 |
| 1782 | B & B Operating Company | Odessa, TX 79760 | Oil & Gas Operator | Jun 2026 |
| 1783 | B & B Petroleum | Fleming, OH 45729 | Oil & Gas Operator | Dec 2006 |
| 1784 | B & B Production Co | Midland, TX 79708 | Oil & Gas Operator | Dec 2002 |
| 1785 | B & B Resources | Tulsa, OK 74136-2655 | Oil & Gas Operator | Dec 2025 |
| 1786 | B & B Resources Inc | Somerset, KY 42501 | Oil & Gas Operator | Dec 2019 |
| 1787 | B & B SWD LLC | Kingfisher, OK 73750 | Oil Operator | Mar 2026 |
| 1788 | B & B Tool Company Inc | Lindsay, OK 73052 | Oil & Gas Operator | Feb 2026 |
| 1789 | B & B Wolford Family Holdings LLC | Frazeysburg, OH 43822 | Oil Operator | Dec 2025 |
| 1790 | B & C Drilling Company Inc | Holdenville, OK 74848-0961 | Oil & Gas Operator | Mar 2000 |
| 1791 | B & C Oil, A General Partnership | Erie, KS 66733 | Oil Operator | Nov 1999 |
| 1792 | B & D Enterprises | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2014 |
| 1793 | B & D Oil Inc | Bristow, OK 74010-2801 | Oil & Gas Operator | Feb 2017 |
| 1794 | B & D Oil, LLC | Welda, KS 66091 | Oil Operator | Feb 2026 |
| 1795 | B & D Operating Company | | Oil & Gas Operator | Apr 1990 |
| 1796 | B & E Oil Corporation | | Oil Operator | Sep 1985 |
| 1797 | B & E Resources LLC | Beverly, OH 45715 | Oil & Gas Operator | Dec 2024 |
| 1798 | B & F Enterprises | Ada, OK 74820 | Oil & Gas Operator | Feb 2002 |
| 1799 | B & F Oil Enterprises | | Oil Operator | Dec 1998 |
| 1800 | B & F Operating Company, Inc. | | Oil & Gas Operator | Mar 1995 |