| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | A & I Properties Inc | Oklahoma City, OK 73107 | Gas Operator | Jun 2007 |
| 2 | Abundance Energy I LLC | Tulsa, OK 74114 | Gas Operator | Jan 2025 |
| 3 | Abundance Energy Services LLC | Tulsa, OK 74114 | Gas Operator | Jan 2025 |
| 4 | Ancova Energy Marketing LLC | Oklahoma City, OK 73103 | Oil & Gas Operator | Jan 2025 |
| 5 | Antero Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
| 6 | Aquila Energy Resources Corp. | Houston, TX 77042 | Oil & Gas Operator | Nov 2013 |