| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Black Hills Exploration & Production Inc | Newcastle, WY 82701 | Oil & Gas Operator | May 2018 |
| 2 | CM Production LLC | Oil & Gas Operator | Aug 2020 | |
| 3 | Hoefle Oil Company | Gas Operator | Dec 2011 | |
| 4 | Hrbek, R.L. | Merino, CO 80741 | Oil & Gas Operator | Jan 2024 |
| 5 | Impetro Nonop LLC | Oil Operator | Jan 2025 | |
| 6 | Kebrh Operating LLC | Oil & Gas Operator | Jan 2024 | |
| 7 | RV Borchert Oil Producer | Oil & Gas Operator | Dec 2024 | |
| 8 | Vista Operating Inc | Oil & Gas Operator | Dec 2014 |