| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Gordon Engineering Inc | Gas Operator | Jul 2025 | |
| 2 | Grand Mesa Operating Company | Wichita, KS 67206 | Oil & Gas Operator | Aug 2025 |
| 3 | Great Northern Gas Company | Denver, CO 80293-0602 | Oil & Gas Operator | Jun 2016 |
| 4 | Grynberg* Jack Dba Grynberg Petroleum Co | Oil Operator | Jan 2023 |