| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Barrett Corporation* Bill | Oil & Gas Operator | Sep 2025 | |
| 2 | Bataa Oil Inc | Arvada, CO 80005 | Oil & Gas Operator | Oct 2025 |
| 3 | Bayswater Exploration & Production LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2025 |
| 4 | Beren Corporation | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 5 | Bison IV Operating LLC | Oil & Gas Operator | Oct 2025 | |
| 6 | Black Hills Exploration & Production Inc | Newcastle, WY 82701 | Oil & Gas Operator | Mar 2018 |
| 7 | Blue Chip Oil Inc | Oil & Gas Operator | Oct 2025 | |
| 8 | Blue Creek Inc | Fort Worth, TX 76181 | Oil & Gas Operator | Jul 2002 |
| 9 | Bonanza Creek Energy Operating Company LLC | Oil & Gas Operator | Sep 2025 | |
| 10 | Brooks Exploration Inc | Denver, CO 80293 | Oil & Gas Operator | Mar 2001 |