| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | WB Prod MGMT Co | Oil & Gas Operator | Dec 2020 | |
| 2 | WGM Gas Co Inc | Oil & Gas Operator | Dec 2025 | |
| 3 | WHC Oper LLC | Gas Operator | Dec 2025 | |
| 4 | William L Horner Energy | Oliveburg, PA 15764-8411 | Gas Operator | Dec 2014 |
| 5 | William McIntire Coal Oil & Gas | Shelocta, PA 15774-0171 | Oil & Gas Operator | May 2022 |
| 6 | Wilmoth Interests, Inc. | Marion Center, PA 15759 | Oil & Gas Operator | Dec 2025 |
| 7 | Windfall Oil & Gas Inc | Falls Creek, PA 15840-2617 | Gas Operator | Dec 2024 |