| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Baron Crest Energy Co | Apollo, PA 15613-8912 | Oil & Gas Operator | Dec 2007 |
| 2 | Bartley Oil & Gas Co LLC | Emlenton, PA 16373 | Oil Operator | Dec 2023 |
| 3 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Feb 2024 |
| 4 | Boyd & Shriver Inc | Indiana, PA 15701-8944 | Oil & Gas Operator | Dec 2009 |
| 5 | Brinker Henry Milton | Delmont, PA 15626-1208 | Oil & Gas Operator | Dec 2020 |