| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Abercrombie Energy, LLC | Wichita, KS 67212 | Oil & Gas Operator | Jul 2024 |
| 2 | Adams G C Oil & | Oil & Gas Operator | Nov 1996 | |
| 3 | Albert Thornbrough Trust | Boca Raton, FL 33432 | Gas Operator | Jul 2024 |
| 4 | American Explora | Gas Operator | Apr 1994 | |
| 5 | American Exploration | Houston, TX 77010 | Gas Operator | Apr 1994 |
| 6 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
| 7 | American Warrior Inc | Garden City, KS 67846 | Oil & Gas Operator | Aug 2024 |
| 8 | Amoco Production | Oil & Gas Operator | Jun 2012 | |
| 9 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
| 10 | Antares Oil Corp | Denver, CO 80202 | Oil & Gas Operator | Oct 2015 |