| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Achilles Oil, LLC | Oil & Gas Operator | Jan 2024 | |
| 2 | Adco Producing Company | Oil & Gas Operator | Mar 1989 | |
| 3 | Alagood & Alagood | Oil & Gas Operator | May 1981 | |
| 4 | Aldridge Operating Co., LLC | Oil & Gas Operator | Aug 2019 | |
| 5 | Allen Petroleum Company | Oil Operator | Apr 1996 | |
| 6 | Altair Energy Corp. | Tyler, TX 75702 | Oil & Gas Operator | Jun 1994 |
| 7 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
| 8 | Arco O & G Co-Div Atl Rich Co | Oil & Gas Operator | Feb 1994 | |
| 9 | Arkla Exploration Co. | Shreveport, LA 71151 | Oil & Gas Operator | Jan 1993 |
| 10 | Array Operating, LLC | Oil & Gas Operator | Mar 2017 | |
| 11 | Axis Onshore, LLC | Oil & Gas Operator | Apr 2008 | |
| 12 | Axis Onshore, LP | Oil & Gas Operator | Dec 2010 |