Oil & Gas Companies in Westmoreland County, PA
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | C & D Gas Co | Apollo, PA 15613-9714 | Oil & Gas Operator | Dec 2025 |
| 2 | Campbell Dale H | McKeesport, PA 15135-3307 | Gas Operator | Dec 2017 |
| 3 | Campbell Oil & Gas Inc | Indiana, PA 15701-0278 | Oil & Gas Operator | Dec 2025 |
| 4 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 5 | Castle Exploration Company Inc | Blue Bell, PA 19422 | Oil & Gas Operator | May 2018 |
| 6 | Castle Gas Company Inc | Pittsburgh, PA 15236-2466 | Oil & Gas Operator | Dec 2007 |
| 7 | Catalyst Energy Inc | Pittsburgh, PA 15218 | Oil & Gas Operator | Dec 2025 |
| 8 | Caw Prop LP | Dayton, PA 16222-1624 | Gas Operator | Dec 2025 |
| 9 | Chance Gas & Oil LLC | Clymer, PA 15728-6318 | Gas Operator | Dec 2025 |
| 10 | Charlemagne Investment Corp | Valencia, PA 16059-0055 | Oil & Gas Operator | Dec 2007 |
| 11 | Christine Marie Exploration LP | Indiana, PA 15701-0515 | Oil & Gas Operator | Dec 2025 |
| 12 | Cleaveland Price Inc | Trafford, PA 15085-9550 | Gas Operator | Dec 2025 |
| 13 | CNG Development Co | | Oil & Gas Operator | Dec 2008 |
| 14 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2025 |
| 15 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 16 | Coterra Energy Inc | Coraopolis, PA 15108-9862 | Oil & Gas Operator | Dec 2025 |
Production numbers shown above are only for Westmoreland County, PA and for the production period listed.