| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Addington Exploration, LLC | Oil & Gas Operator | Dec 2006 | |
| 2 | Alliance Petroleum Co., LLC | Oil & Gas Operator | Dec 2021 | |
| 3 | Alliance Resources Corporation | Dallas, TX 75367 | Oil & Gas Operator | Dec 2024 |
| 4 | American Energy Corporation | Bealsville, OH 43716 | Oil & Gas Operator | Dec 2019 |
| 5 | Angerman Associates Inc | Oil & Gas Operator | Mar 1998 | |
| 6 | Arbor Petroleum Corporation | Oklahoma City, OK 73102-4003 | Oil & Gas Operator | Mar 2011 |