Oil & Gas Companies in McKean County, PA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | D & S Energy Corp | Tiona, PA 16352-0102 | Oil & Gas Operator | Dec 2018 |
| 2 | Dale R & George W Magee | Duke Center, PA 16729-0217 | Oil & Gas Operator | Dec 2010 |
| 3 | Dallas Energy LLC | Bradford, PA 16701 | Oil & Gas Operator | Dec 2024 |
| 4 | David L Hill | Bradford, PA 16701-0309 | Oil & Gas Operator | Dec 2024 |
| 5 | Davidson Roger D | Clarendon, PA 16313-4532 | Oil & Gas Operator | Dec 2024 |
| 6 | DH Production | Albany, TX 76430 | Oil Operator | Dec 2005 |
| 7 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | Jul 2025 |
| 8 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Oct 2025 |
| 9 | DL Resources Inc | Ludlow, PA 16333-0039 | Oil & Gas Operator | Dec 2024 |
| 10 | Double J Resources Inc | Bradford, PA 16701-6506 | Oil & Gas Operator | Dec 2022 |
Production numbers shown above are only for McKean County, PA and for the production period listed.