| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Farmers Union Central Exchange, Inc. | Oil & Gas Operator | May 1983 | |
| 2 | Fidelity Exploration & Production Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2026 |
| 3 | Four Starr Production, LLC | Dallas, TX 75243 | Oil & Gas Operator | Apr 2026 |