| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Barfield Oil Corporation | Oil & Gas Operator | Mar 2001 | |
| 2 | Barrett Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
| 3 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Oct 2024 |
| 4 | Boulder Oil Company | Oil & Gas Operator | Sep 2004 |