| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Barco Oil Co. | Oil Operator | Dec 2009 | |
| 2 | Bayshore-Long Beach LLC | Oil & Gas Operator | Dec 2000 | |
| 3 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Mar 2024 |
| 4 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Mar 2024 |
| 5 | Beverly Hills Oil Co. | Oil & Gas Operator | Dec 1979 | |
| 6 | Blackhawk Oil Co | Ottawa, KS 66067 | Oil & Gas Operator | Jan 2011 |
| 7 | Bloomfield Partners II LLC | Oil & Gas Operator | Dec 2005 | |
| 8 | Brayton-Hodges Petroleum Inc. | Oil & Gas Operator | Mar 2024 | |
| 9 | Brea Canon Oil Co. | Oil & Gas Operator | Mar 2024 | |
| 10 | Breitburn Operating, LP | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
| 11 | Bridge Energy LLC | Oil & Gas Operator | Mar 2024 | |
| 12 | Bridge Point Carson LLC | Oil & Gas Operator | Mar 2024 | |
| 13 | Bridgeland Resources LLC | Oil & Gas Operator | Mar 2024 |