| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Beren Corporatio | Oil & Gas Operator | Dec 1995 | |
| 2 | Berry Petroleum Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2014 |
| 3 | Black Oak Exploration, LLC | Denver, CO 80210 | Oil & Gas Operator | Jun 2025 |