| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | General Exploration Inc | Oil & Gas Operator | Aug 2001 | |
| 2 | General Oil Company, Inc. | Wichita, KS 67213 | Oil & Gas Operator | Feb 2026 |
| 3 | GKM Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Oct 1991 |