| 1701 | August Oil | Plano, TX 75093 | Oil & Gas Operator | Aug 2003 |
| 1702 | Augusta Oil & Gas | Abilene, TX 79604 | Oil & Gas Operator | Nov 2002 |
| 1703 | Augusta Oil & Gas Inc | Abilene, TX 79604 | Oil & Gas Operator | Dec 2015 |
| 1704 | Augustus Energy Partners LLC | Billings, MT 59102 | Oil & Gas Operator | Feb 2014 |
| 1705 | Augustus Energy Resources LLC | | Oil & Gas Operator | Jun 2018 |
| 1706 | Augustus Oil And Gas Corporation | Austin, TX 78731 | Oil & Gas Operator | Apr 2025 |
| 1707 | Aunix Operating, LLC | Tomball, TX 77377 | Oil Operator | Apr 2025 |
| 1708 | Auora Natural Gas & Assoc Prod | Dallas, TX 75205 | Oil & Gas Operator | Dec 2000 |
| 1709 | Aurivos LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 1710 | Auro USA, Inc. | | Oil Operator | Dec 2024 |
| 1711 | Aurora Energy LTD | Traverse City, MI 49684 | Oil & Gas Operator | Dec 2006 |
| 1712 | Aurora Exploration & Prod Co | Whitesboro, TX 76273 | Oil Operator | Apr 2025 |
| 1713 | Aurora Gas LLC. | | Oil & Gas Operator | Dec 2017 |
| 1714 | Aurora Gas, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jan 2000 |
| 1715 | Aurora Operating, LLC | Houston, TX 77010 | Oil Operator | Apr 2025 |
| 1716 | Aurora Power Resources, Inc. | Houston, TX 77042 | Oil & Gas Operator | Aug 2018 |
| 1717 | Aurora Resources Corporation | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2025 |
| 1718 | Aurora USA Development, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 1719 | Aus-Tex Exploration Inc | | Oil & Gas Operator | Mar 2025 |
| 1720 | Ausanka Oil Operations | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 1995 |
| 1721 | Ausland Production Company | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 1722 | Ausmus & Clark Oil | | Oil Operator | Jul 2022 |
| 1723 | Auster Oil And Gas, Inc. | | Oil & Gas Operator | Mar 1989 |
| 1724 | Auster Oil And Gas, Inc. Et Al | | Oil & Gas Operator | May 2001 |
| 1725 | Austex Energy, Inc. | Granbury, TX 76048 | Oil & Gas Operator | Apr 1993 |
| 1726 | Austin E. Stewart | | Oil & Gas Operator | Feb 1979 |
| 1727 | Austin Energy Operations, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Apr 2025 |
| 1728 | Austin Minerals Inc. | Austin, TX 78720 | Oil & Gas Operator | Apr 2025 |
| 1729 | Austin Oil Company | | Oil & Gas Operator | Dec 2000 |
| 1730 | Austin Operating, LLC. | Chicago, IL 60622 | Oil Operator | Apr 2025 |
| 1731 | Austin Production Company, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Mar 2015 |
| 1732 | Austin Resources Corporation | Houston, TX 77027 | Oil & Gas Operator | Mar 2008 |
| 1733 | Austin Resources Oper Company | Houston, TX 77019 | Gas Operator | Mar 1999 |
| 1734 | Austin Ridge Energy Corporation | Houston, TX 77224 | Oil & Gas Operator | Apr 2025 |
| 1735 | Austin, Chas W | | Oil Operator | Jan 2009 |
| 1736 | Austin, Dewey | Burkburnett, TX 76354 | Oil & Gas Operator | Nov 1996 |
| 1737 | Austin, John F. | Baton Rouge, LA 70879 | Oil Operator | May 1992 |
| 1738 | Austin, Robert E. | Miami, OK 74354 | Oil Operator | Dec 1995 |
| 1739 | Austin, Robert L. | Stafford, KS 67578 | Oil & Gas Operator | Dec 1999 |
| 1740 | Austral Oil & Exploration, Inc | | Oil & Gas Operator | Jun 2004 |
| 1741 | Austral Oil Company Incorporated | Sulphur, LA 70663 | Oil & Gas Operator | Mar 2008 |
| 1742 | Australis TMS Inc. | | Oil & Gas Operator | Jan 2025 |
| 1743 | Auten Operating Company, Inc. | Houston, TX 77242 | Oil & Gas Operator | May 1998 |
| 1744 | Auterra Operating, LLC | Friendswood, TX 77546 | Oil & Gas Operator | Apr 2025 |
| 1745 | Autry C. Stephens | Midland, TX 79701 | Oil & Gas Operator | Dec 2001 |
| 1746 | Autry Producing Co. | Cisco, TX 76437 | Oil & Gas Operator | Aug 2008 |
| 1747 | Autry Producing Inc. | Cisco, TX 76437 | Oil Operator | Apr 2025 |
| 1748 | Autry, Martin | Seguin, TX 78155 | Oil Operator | Apr 2025 |
| 1749 | Autumn Energy LLC | Andrews, TX 79714 | Oil Operator | Aug 2017 |
| 1750 | Autumn Energy Operating | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 1751 | Autumn Exploration LTD | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2015 |
| 1752 | Autumn Ridge Energy LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2021 |
| 1753 | Autumn Ridge Enterprises LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2017 |
| 1754 | Av-Tech Resources Corporation | Kerrville, TX 78028 | Oil & Gas Operator | Jul 2022 |
| 1755 | Ava Gas Corp | Columbus, OH 43215 | Oil & Gas Operator | Dec 2013 |
| 1756 | Avad Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Apr 2025 |
| 1757 | Avalanche Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Apr 2025 |
| 1758 | Avalon Energy Corporation | | Oil & Gas Operator | Jul 1990 |
| 1759 | Avalon Exploration Inc | Tulsa, OK 74119-5401 | Oil & Gas Operator | Dec 2019 |
| 1760 | Avalon Operating LLC | Tulsa, OK 74119-5401 | Oil & Gas Operator | Jan 2025 |
| 1761 | Avalon TX Operating, LLC | Andrews, TX 79714 | Oil & Gas Operator | Jan 2023 |
| 1762 | Avant Jack E | Skiatook, OK 74070 | Oil Operator | Jan 2013 |
| 1763 | Avant Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Feb 2025 |
| 1764 | Avanti Exploration La, LLC | | Oil & Gas Operator | Nov 2024 |
| 1765 | Avatar Energy LLC | Dallas, TX 75220-2230 | Oil & Gas Operator | Jul 2016 |
| 1766 | Aven Gas & Oil Inc | Oklahoma City, OK 73113-0491 | Oil & Gas Operator | Nov 2021 |
| 1767 | Averill, W. M. Inc. | Victoria, TX 77902 | Oil & Gas Operator | Jun 2003 |
| 1768 | Avers Harvey G Energy Expl | | Oil & Gas Operator | May 2013 |
| 1769 | Avery Cheryl L | Clarion, PA 16214-7624 | Gas Operator | Dec 2024 |
| 1770 | Avery Oil & Gas, L.P. | Buena VIsta, CO 81211 | Gas Operator | Dec 2006 |
| 1771 | Avery, Irving W. | Buena VIsta, CO 81211 | Oil & Gas Operator | Mar 2008 |
| 1772 | Avian Tech International, Inc. | Euless, TX 76040 | Oil & Gas Operator | Apr 1995 |
| 1773 | Aviara Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2002 |
| 1774 | Avighna Energy Inc | Sugar Land, TX 77487 | Oil & Gas Operator | Jan 2019 |
| 1775 | Avips Petroleum, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Jun 1996 |
| 1776 | Aviva America, Inc. | | Oil & Gas Operator | Nov 2013 |
| 1777 | Avoca Farms LTD | Avoca, NY 14809 | Gas Operator | Dec 2023 |
| 1778 | Avon Energy Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 1996 |
| 1779 | Avondale Operating Co | Tulsa, OK 74145-7627 | Oil & Gas Operator | Apr 2019 |
| 1780 | Avra Oil Co | Dallas, TX 75248 | Oil & Gas Operator | Apr 2025 |
| 1781 | Aw Hembree Co | Shawnee, OK 74802-1725 | Oil & Gas Operator | Jan 2025 |
| 1782 | Aw Tipka Oil & Gas Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2024 |
| 1783 | Awp Operating Company | George West, TX 78022 | Oil & Gas Operator | Apr 2025 |
| 1784 | Ax Operating, L.L.C. | | Oil & Gas Operator | Jul 2018 |
| 1785 | Axem Resources I | | Oil Operator | Aug 1995 |
| 1786 | Axem Resources Inc | Denver, CO 80202-4617 | Oil & Gas Operator | Jul 2013 |
| 1787 | Axeon Energy Operations LLC | Evergreen, CO 80439-7624 | Oil Operator | Jul 2015 |
| 1788 | Axia Energy II LLC | HGHLNDS Ranch, CO 80129 | Oil & Gas Operator | Jan 2020 |
| 1789 | Axia Energy III LLC | Highlands Ranch, CO 80124 | Oil & Gas Operator | Jul 2023 |
| 1790 | Axia Energy LLC | Hghlands Ranch, CO 80129-2258 | Oil & Gas Operator | Jun 2016 |
| 1791 | Axio Production Company, L.P. | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2006 |
| 1792 | Axiom Energy LLC | Park City, UT 84098 | Oil Operator | Feb 2010 |
| 1793 | Axiom Tep, LLC | | Oil & Gas Operator | May 2015 |
| 1794 | Axis Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Apr 2025 |
| 1795 | Axis Exploration LLC | | Oil & Gas Operator | Feb 2025 |
| 1796 | Axis Onshore, LLC | | Oil & Gas Operator | Apr 2008 |
| 1797 | Axis Onshore, LP | | Oil & Gas Operator | Dec 2010 |
| 1798 | Axis Petroleum Co. | | Oil & Gas Operator | Dec 2022 |
| 1799 | Axp Energy, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2023 |
| 1800 | Axtel Energy, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Apr 2025 |