| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | National Coopera | Oil & Gas Operator | Mar 1992 | |
| 2 | National Oil Company | Garden City, KS 67846 | Oil & Gas Operator | Jan 2024 |
| 3 | Norstar Petroleum Inc | Englewood, CO 80112 | Oil & Gas Operator | Dec 2023 |