Oil & Gas Companies in Somerset County, PA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Eastern Gas Trans & Storage Inc | Bridgeport, WV 26330-6919 | Oil & Gas Operator | Feb 2025 |
| 2 | Enervest Opr LLC | Charleston, WV 25301-1782 | Oil & Gas Operator | Dec 2019 |
| 3 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 4 | Eqt Chap, LLC | Pittsburgh, PA 15222 | Oil & Gas Operator | Jul 2025 |
| 5 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jul 2025 |
| 6 | Exco Resources (Pa), LLC | Dallas, TX 75251-2224 | Oil & Gas Operator | Jul 2025 |
| 7 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
Production numbers shown above are only for Somerset County, PA and for the production period listed.