| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Federated Natural Resources Corp And Fede | Oil & Gas Operator | Feb 1989 | |
| 2 | Federated Oil And Gas Properties Inc | Oil & Gas Operator | Jul 2025 | |
| 3 | Finders Co And Sullivan And Co | Oil & Gas Operator | May 1987 | |
| 4 | Finders Co The | Oil & Gas Operator | Jan 1998 | |
| 5 | Flynn Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Mar 1993 |
| 6 | Fruehauf Antrim LP | Gas Operator | Jan 2005 |