| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | WB Prod MGMT Co | Oil & Gas Operator | Dec 2020 | |
| 2 | Weaver Carroll A | Knox, PA 16232 | Oil Operator | Dec 1992 |
| 3 | WGM Gas Co Inc | Oil & Gas Operator | Dec 2025 | |
| 4 | William McIntire Coal Oil & Gas | Oil & Gas Operator | May 2022 | |
| 5 | Wilmoth Interests, Inc. | Marion Center, PA 15759 | Oil & Gas Operator | May 2026 |
| 6 | Winfall Energy Inc N V | Vandergrift, PA 15690-2001 | Oil & Gas Operator | Dec 2025 |