| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ballantyne Oil, LLC | Oil & Gas Operator | Mar 2023 | |
| 2 | Bonray Energy Corp. | Oil & Gas Operator | Jun 1985 | |
| 3 | Bow Petroleum, Inc. Of Colorado | Oil & Gas Operator | Sep 2025 | |
| 4 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 5 | Brooks Exploration Inc | Denver, CO 80293 | Oil & Gas Operator | Mar 2001 |
| 6 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |