| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | General Oil Comp | Oil & Gas Operator | Nov 1993 | |
| 2 | Gothic Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2015 |
| 3 | GPM Gas Corporation | Oklahoma City, OK 73102-5627 | Oil & Gas Operator | Jun 2000 |
| 4 | Graham-Michaelis | Oil & Gas Operator | Nov 1996 |