| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Felmont Oil Corporation | Walnut Creek, CA 94596-3568 | Oil & Gas Operator | Feb 1990 |
| 2 | FMP Operating Co., LTD. PTN. | Oil & Gas Operator | Mar 1990 | |
| 3 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 4 | Fpco Oil & Gas Co. | New Orleans, LA 70160 | Oil & Gas Operator | Dec 2023 |