| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | A5 Oil And Gas LLC | Oil Operator | Dec 2024 | |
| 2 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Nov 2025 |
| 3 | Advantage Resources Inc | Broomfield, CO 80020 | Oil & Gas Operator | Jun 2025 |
| 4 | Aksarben Petroleum, Inc. | Oil Operator | Sep 2022 | |
| 5 | Allison Bros DRLG Co Inc | Oil & Gas Operator | Dec 2015 | |
| 6 | Amata Oils Inc | Oil Operator | Dec 2015 | |
| 7 | Amazon Exploration LLC | Oil Operator | Apr 2016 | |
| 8 | Antelope Energy Company LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
| 9 | Arcadian Resources LLC | Glen Elder, KS 67446 | Oil & Gas Operator | Nov 2025 |
| 10 | Arkies Well Service Inc | Oil Operator | Aug 2009 |