| 1 | Abo Petroleum, LLC | Artesia, NM 88211 | Oil & Gas Operator | Jul 2025 |
| 2 | Acacia Operating Company, LLC | Midland, TX 79701 | Oil Operator | Jul 2024 |
| 3 | Aceco Petroleum Co | Artesia, NM 88210 | Oil & Gas Operator | Sep 2002 |
| 4 | Achen Oil & Gas Inc. | Artesia, NM 88211 | Oil & Gas Operator | Feb 1999 |
| 5 | Adventure Exploration Partners, LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2011 |
| 6 | Aghorn Operating, Inc. | Odessa, TX 79768 | Oil & Gas Operator | Oct 2025 |
| 7 | Agua Sucia LLC | Lovington, NM 88260 | Oil & Gas Operator | Jul 2018 |
| 8 | Alamo Permian Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2016 |
| 9 | Amalgamated Sludge NM, LLC | Dallas, TX 75208 | Gas Operator | Jul 2025 |
| 10 | Amax Oil & Gas Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2014 |
| 11 | American National Petroleum Co. | Houston, TX 77057 | Oil & Gas Operator | Aug 1995 |
| 12 | Americo Energy Resources, LLC | Houston, TX 77063 | Oil & Gas Operator | Oct 2025 |
| 13 | Ameristate Exploration LLC | Austin, TX 78701 | Oil & Gas Operator | Nov 2009 |
| 14 | Amtex Energy, Inc. | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2025 |
| 15 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Jul 2025 |
| 16 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
| 17 | Apache Energy Resources Corp | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 18 | Apollo Energy, L.P. | Lake Charles, LA 70601 | Oil Operator | May 2014 |
| 19 | Arapaho Oil & Gas Inc | Roswell, NM 88202 | Oil & Gas Operator | Nov 1994 |
| 20 | Arch Petroleum Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2008 |
| 21 | Arco Permian | Houston, TX 77079 | Oil & Gas Operator | Dec 2001 |
| 22 | Arena Resources Inc | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 23 | Armstrong Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Jul 2025 |
| 24 | Aroc (Texas) Inc | Houston, TX 77090 | Oil & Gas Operator | Dec 2014 |
| 25 | Arrowhead Operating Inc. | Argyle, TX 76226 | Oil & Gas Operator | Oct 2025 |
| 26 | Ascent Energy, LLC. | Parker, CO 80134 | Oil & Gas Operator | Jul 2023 |
| 27 | Asher Enterprises LTD. Co. | Denton, TX 76210 | Oil & Gas Operator | Nov 2023 |
| 28 | Asher Oil Co | Artesia, NM 88210 | Oil & Gas Operator | Aug 1995 |
| 29 | Asher Resources | Boerne, TX 78006 | Oil & Gas Operator | May 2015 |
| 30 | Aspen Oil Inc | Hobbs, NM 88241 | Oil & Gas Operator | Mar 2019 |
| 31 | Aspen Pumping Service | Artesia, NM 88211 | Oil & Gas Operator | Jan 2009 |
| 32 | Atasca Resources Inc | Houston, TX 77219 | Oil & Gas Operator | Oct 2025 |
| 33 | Atlantic Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2015 |
| 34 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 35 | Autry C. Stephens | Midland, TX 79701 | Oil & Gas Operator | Dec 2001 |
| 36 | Avant Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Aug 2025 |
| 37 | Avon Energy Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 1996 |
| 38 | Axis Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Oct 2025 |