| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Waste TRMT Corp | Washington, PA 15301-0558 | Oil & Gas Operator | Dec 2023 |
| 2 | Weldbank Energy Corp | Warren, PA 16365-5114 | Oil & Gas Operator | Dec 2023 |
| 3 | Werner Oil Farm | Warren, PA 16365-3608 | Oil & Gas Operator | Dec 2017 |
| 4 | Whilton Brooks A | Warren, PA 16365-8410 | Oil & Gas Operator | Dec 2023 |
| 5 | Wilkes Energy Inc | Akron, OH 44308 | Oil & Gas Operator | Dec 2022 |
| 6 | William M Mauersberg | Sigel, PA 15860-2402 | Oil & Gas Operator | Dec 2009 |
| 7 | William Southwell & Son Oil LLC | Warren, PA 16365 | Oil & Gas Operator | Dec 2023 |
| 8 | Wilmoth Interests, Inc. | Marion Center, PA 15759 | Oil & Gas Operator | Dec 2023 |