| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Feb 2024 |
| 2 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 3 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
| 4 | Arbuckle Enterprises, Inc. | Edmond, OK 73083 | Oil & Gas Operator | Jan 2024 |
| 5 | Aries Operating LP | Houston, TX 77042 | Oil & Gas Operator | Apr 2024 |
| 6 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2024 |
| 7 | Atlantic Richfield Company | Plano, TX 75094-1744 | Oil & Gas Operator | Dec 2016 |