| 1701 | Atnipp, H. L. | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 1702 | Atoka Energy LLC | Gainesville, TX 76241 | Oil & Gas Operator | Feb 2026 |
| 1703 | Atoka Operating Permian, LLC | Addison, TX 75001 | Oil & Gas Operator | Sep 2023 |
| 1704 | Atoka Operating, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Feb 2026 |
| 1705 | Atomic Oil & Gas LLC | Lakewood, CO 80228 | Oil & Gas Operator | Dec 2012 |
| 1706 | Atp Oil & Gas Corporation | Houston, TX 77027 | Oil & Gas Operator | Jun 2008 |
| 1707 | Atr Energy Corp | Dallas, TX 75313 | Oil Operator | Oct 2025 |
| 1708 | Atropos Exploration Company | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 1709 | Atropos Production Corporation | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 1710 | Attaway Energy Group, Inc. | | Oil & Gas Operator | Aug 1995 |
| 1711 | Atteberry Engineering | Edmond, OK 73013-6624 | Oil & Gas Operator | Mar 2008 |
| 1712 | Attica Central School District | Attica, NY 14011 | Gas Operator | Dec 2024 |
| 1713 | Attica Gas Ventu | | Oil & Gas Operator | Dec 1995 |
| 1714 | Atwa Energy Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 1996 |
| 1715 | Atwell Oil & Gas, Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Feb 2026 |
| 1716 | Atwell Technical Services, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 1717 | Atwell, David L. | Duncan, OK 73533 | Oil & Gas Operator | Jul 2003 |
| 1718 | Atwell, Harold | | Gas Operator | Dec 2023 |
| 1719 | Atwood Energy Inc | Port Washington, OH 43837-9214 | Oil & Gas Operator | Dec 1993 |
| 1720 | Atwood Resources Inc | Houston, TX 72151 | Oil & Gas Operator | Dec 1993 |
| 1721 | Atx Energy Partners LLC | Austin, TX 78716 | Oil & Gas Operator | Dec 2025 |
| 1722 | Auburn Enlarged Central School District | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 1723 | Auburn Enterprises, Inc. | Kyle, TX 78640 | Oil & Gas Operator | Aug 2003 |
| 1724 | Auden Oil Inc. | Hardin, TX 77561 | Oil Operator | Feb 2026 |
| 1725 | Audrey Oil & Gas LLC | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 1726 | Augerhead Oil LLC | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2024 |
| 1727 | August Oil | Plano, TX 75093 | Oil & Gas Operator | Aug 2003 |
| 1728 | Augusta Oil & Gas | Abilene, TX 79604 | Oil & Gas Operator | Nov 2002 |
| 1729 | Augusta Oil & Gas Inc | Abilene, TX 79604 | Oil & Gas Operator | Dec 2015 |
| 1730 | Augustus Energy Partners LLC | Billings, MT 59102 | Oil & Gas Operator | Oct 2013 |
| 1731 | Augustus Oil And Gas Corporation | Austin, TX 78731 | Oil & Gas Operator | Feb 2026 |
| 1732 | Aunix Operating, LLC | Tomball, TX 77377 | Oil Operator | Feb 2026 |
| 1733 | Aurivos LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 1734 | Auro USA, Inc. | | Oil Operator | Dec 2024 |
| 1735 | Aurora Energy LTD | Traverse City, MI 49684 | Oil & Gas Operator | Dec 2006 |
| 1736 | Aurora Exploration & Prod Co | Whitesboro, TX 76273 | Oil Operator | Feb 2026 |
| 1737 | Aurora Gas LLC. | | Oil & Gas Operator | Dec 2017 |
| 1738 | Aurora Gas, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jan 2000 |
| 1739 | Aurora Operating, LLC | Houston, TX 77010 | Oil Operator | Feb 2026 |
| 1740 | Aurora Power Resources, Inc. | Houston, TX 77042 | Oil & Gas Operator | Aug 2018 |
| 1741 | Aurora Resources Corporation | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Feb 2026 |
| 1742 | Aurora USA Development, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 1743 | Aus-Tex Exploration, Inc | | Oil & Gas Operator | Dec 2025 |
| 1744 | Ausanka Oil Operations | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 1995 |
| 1745 | Ausco Texas Exploration, LLC | Bastrop, TX 78602 | Oil & Gas Operator | Feb 2026 |
| 1746 | Ausland Production Company | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 1747 | Ausmus & Clark Oil | | Oil Operator | Jul 2022 |
| 1748 | Auster Oil And Gas, Inc. | | Oil & Gas Operator | Mar 1989 |
| 1749 | Auster Oil And Gas, Inc. Et Al | | Oil & Gas Operator | May 2001 |
| 1750 | Austex Energy, Inc. | Granbury, TX 76048 | Oil & Gas Operator | Apr 1993 |
| 1751 | Austin E. Stewart | | Oil & Gas Operator | Feb 1979 |
| 1752 | Austin Energy Operations, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Feb 2026 |
| 1753 | Austin Gas Compa | | Gas Operator | Jun 1983 |
| 1754 | Austin Minerals Inc. | Uvalde, TX 78801 | Oil & Gas Operator | Feb 2026 |
| 1755 | Austin Oil Company | | Oil & Gas Operator | Dec 2000 |
| 1756 | Austin Operating, LLC. | Chicago, IL 60622 | Oil Operator | Feb 2026 |
| 1757 | Austin Production Company, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Mar 2015 |
| 1758 | Austin Resources Corporation | Houston, TX 77027 | Oil & Gas Operator | Mar 2008 |
| 1759 | Austin Resources Oper Company | Houston, TX 77019 | Gas Operator | Mar 1999 |
| 1760 | Austin Ridge Energy Corporation | Houston, TX 77224 | Oil & Gas Operator | Feb 2026 |
| 1761 | Austin Robert L | Stafford, KS 67578 | Oil & Gas Operator | Dec 1999 |
| 1762 | Austin, Chas W | | Oil Operator | Jan 2009 |
| 1763 | Austin, Dewey | Burkburnett, TX 76354 | Oil & Gas Operator | Nov 1996 |
| 1764 | Austin, John F. | Baton Rouge, LA 70879 | Oil Operator | May 1992 |
| 1765 | Austin, Robert E. | Miami, OK 74354 | Oil Operator | Dec 1995 |
| 1766 | Austral Oil & Exploration, Inc | | Oil & Gas Operator | Jun 2004 |
| 1767 | Austral Oil Co., Inc.-McCord | | Oil & Gas Operator | Oct 1977 |
| 1768 | Austral Oil Company Incorporated | Sulphur, LA 70663 | Oil & Gas Operator | Mar 2008 |
| 1769 | Australis TMS Inc. | | Oil & Gas Operator | Dec 2024 |
| 1770 | Auten Operating Company, Inc. | Houston, TX 77242 | Oil & Gas Operator | May 1998 |
| 1771 | Auterra Operating, LLC | Friendswood, TX 77549 | Oil & Gas Operator | Feb 2026 |
| 1772 | Autry C. Stephens | Midland, TX 79701 | Oil & Gas Operator | Dec 2001 |
| 1773 | Autry Producing Co. | Cisco, TX 76437 | Oil & Gas Operator | Aug 2008 |
| 1774 | Autry Producing Inc. | Cisco, TX 76437 | Oil Operator | Feb 2026 |
| 1775 | Autry, Martin | Seguin, TX 78155 | Oil Operator | Feb 2026 |
| 1776 | Autumn Energy LLC | Andrews, TX 79714 | Oil Operator | Aug 2017 |
| 1777 | Autumn Energy Operating | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 1778 | Autumn Exploration LTD | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2015 |
| 1779 | Autumn Ridge Energy LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2021 |
| 1780 | Autumn Ridge Enterprises LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2017 |
| 1781 | Av-Tech Resources Corporation | Kerrville, TX 78028 | Oil & Gas Operator | Jul 2022 |
| 1782 | Ava Gas Corp | Columbus, OH 43215 | Oil & Gas Operator | Dec 2013 |
| 1783 | Avad Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 1784 | Avalanche Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Feb 2026 |
| 1785 | Avalon Energy Corporation | | Oil & Gas Operator | Jul 1990 |
| 1786 | Avalon Exploration Inc | Tulsa, OK 74119-5401 | Oil & Gas Operator | Dec 2019 |
| 1787 | Avalon Operating LLC | Tulsa, OK 74119-5401 | Oil & Gas Operator | Nov 2025 |
| 1788 | Avalon TX Operating, LLC | Andrews, TX 79714 | Oil & Gas Operator | Jan 2023 |
| 1789 | Avant Jack E | Skiatook, OK 74070 | Oil Operator | Jan 2013 |
| 1790 | Avant Operating II, LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 1791 | Avant Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 1792 | Avanti Exploration La, LLC | | Oil & Gas Operator | Nov 2024 |
| 1793 | Avanti Petroleum, Inc. | Wichita, KS 67233 | Gas Operator | Dec 2007 |
| 1794 | Avatar Energy LLC | Dallas, TX 75220-2230 | Oil & Gas Operator | Jul 2016 |
| 1795 | Aven Gas & Oil Inc | Oklahoma City, OK 73113-0491 | Oil & Gas Operator | Nov 2021 |
| 1796 | Averill, W. M. Inc. | Victoria, TX 77902 | Oil & Gas Operator | Jun 2003 |
| 1797 | Avers Harvey G Energy Expl | | Oil & Gas Operator | May 2013 |
| 1798 | Avery Cheryl L | Clarion, PA 16214-7624 | Gas Operator | Dec 2025 |
| 1799 | Avery Oil & Gas, L.P. | Buena VIsta, CO 81211 | Gas Operator | Dec 2006 |
| 1800 | Avery, Irving W. | Buena VIsta, CO 81211 | Oil & Gas Operator | Mar 2008 |