Oil & Gas Companies in McKean County, PA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Cameron Energy Co | Sheffield, PA 16347-2642 | Oil & Gas Operator | Dec 2024 |
| 2 | Canton Oil & Gas Co | Pleasantville, PA 16341-1729 | Oil & Gas Operator | Dec 2004 |
| 3 | Catalyst Energy Inc | Pittsburgh, PA 15218 | Oil & Gas Operator | Jul 2025 |
| 4 | Charis Energy Inc | Kerrville, TX 78029-0469 | Oil & Gas Operator | Dec 2015 |
| 5 | Charis Energy LLC | Kerrville, TX 78029 | Oil & Gas Operator | Dec 2005 |
| 6 | Chautauqua Energy Inc | Westfield, NY 14787 | Oil & Gas Operator | Dec 2020 |
| 7 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jul 2025 |
| 8 | Cline Oil Inc | Bradford, PA 16701 | Oil & Gas Operator | Dec 2024 |
| 9 | Coastal Petro Corp | Oil City, PA 16301-6327 | Oil & Gas Operator | Jul 2018 |
| 10 | Consortium Energy LLC | Tallmadge, OH 44278 | Oil & Gas Operator | Dec 2024 |
| 11 | Copper Ridge Oil Inc | Olean, NY 14760 | Oil & Gas Operator | Dec 2024 |
| 12 | Copperhead Enterprises LLC | Ludlow, PA 16333-0057 | Oil & Gas Operator | Dec 2024 |
| 13 | Curtis Oil Inc | Duke Center, PA 16729-0287 | Oil & Gas Operator | Dec 2024 |
Production numbers shown above are only for McKean County, PA and for the production period listed.