| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Adobe Energy Company | Oil & Gas Operator | Aug 2010 | |
| 2 | Alliance Oil & Gas Co., Inc. | Corinth, TX 76205 | Oil & Gas Operator | Mar 2015 |
| 3 | Alpha Oil & Gas Inc. | Oil & Gas Operator | Sep 1989 | |
| 4 | Alva J. Dixon | Oil & Gas Operator | Aug 1991 | |
| 5 | Alvin & Roger Wilson | Oil Operator | Dec 2007 | |
| 6 | Alvin Wilson, Et Al | Oil Operator | May 1991 | |
| 7 | Ambrit Energy Corporation | Garland, TX 75044 | Oil & Gas Operator | Jun 2003 |
| 8 | Amer. Intl. Petroleum Corp. | Oil & Gas Operator | Dec 1990 | |
| 9 | American Intl Production Inc. | Oil & Gas Operator | Apr 1993 | |
| 10 | Ameritech Oil & Gas Corporation | Dallas, TX 75248 | Oil & Gas Operator | May 1996 |
| 11 | Anderson Operating LLC Of Mississippi | Oil & Gas Operator | Jul 2018 | |
| 12 | Andries Oil Company | Oil Operator | Jan 2025 | |
| 13 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
| 14 | Arbco, Inc. | Oil & Gas Operator | Jan 1996 | |
| 15 | Ascot Oils, Inc. | Oil & Gas Operator | Jul 1993 | |
| 16 | Aztec Production Company | Oil & Gas Operator | Jan 1996 | |
| 17 | Azul Operating, LLC | Gas Operator | Dec 2024 |