| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | B & G Oil Compan | Oil Operator | Aug 1994 | |
| 2 | Bach Oil Production | Oil Operator | Mar 2026 | |
| 3 | Beren Corporation | Wichita, KS 67206 | Oil & Gas Operator | Jul 2026 |
| 4 | Berexco Incorpor | Oil & Gas Operator | Dec 1996 | |
| 5 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Jul 2026 |
| 6 | Black Oak Exploration, LLC | Denver, CO 80210 | Oil & Gas Operator | Mar 2026 |
| 7 | Blueridge Petroleum Corporation | Edmond, OK 73003 | Oil & Gas Operator | Mar 2026 |
| 8 | BP Exploration I | Oil & Gas Operator | Oct 1994 | |
| 9 | Burch Exploratio | Oil Operator | Mar 1991 |