| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
| 2 | Arco Western Energy Co. | Oil & Gas Operator | Dec 1999 | |
| 3 | Argo Petroleum Corporation | Oil & Gas Operator | Dec 1989 | |
| 4 | California Resources Production Corporation | Oil & Gas Operator | Sep 2025 | |
| 5 | Harvest Petroleum Inc. | Frisco, TX 75033 | Oil & Gas Operator | Nov 2025 |
| 6 | Innex California Inc. | Oil & Gas Operator | Sep 2025 | |
| 7 | Vintage Production California LLC | Oil & Gas Operator | Jun 2016 | |
| 8 | Western Continental Operating Company | Oil & Gas Operator | Dec 2007 |