| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Wandover Charles T SR | Inverness, FL 34452-7527 | Oil & Gas Operator | Dec 2025 |
| 2 | Weinsz Oil & Gas Inc | North Canton, OH 44720 | Oil & Gas Operator | Dec 2003 |
| 3 | Whidbey Resources Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2016 |
| 4 | Wilkes Energy Inc | Akron, OH 44308 | Oil & Gas Operator | Dec 2022 |
| 5 | Willard M Cline | Oil & Gas Operator | Dec 2022 | |
| 6 | Wilmoth Interests, Inc. | Marion Center, PA 15759 | Oil & Gas Operator | May 2026 |