| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | East Resources MGMT LLC | Warrendale, PA 15086-7528 | Oil & Gas Operator | Dec 2010 |
| 2 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 3 | Eastern Gas Trans & Storage Inc | Bridgeport, WV 26330-6919 | Oil & Gas Operator | Sep 2024 |
| 4 | Empire Exploration Inc | Wichita, KS 67202 | Oil & Gas Operator | Jul 1997 |
| 5 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 6 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |