| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Welch Foods Inc A Cooperative | North East, PA 16428-1209 | Gas Operator | Dec 1998 |
| 2 | Wilburn Wolfe L | Erie, PA 16506-5039 | Gas Operator | Dec 2000 |
| 3 | Wilkes Energy Inc | Akron, OH 44308 | Oil & Gas Operator | Dec 2022 |