| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W H Patten Drilling Co | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2022 |
| 2 | Waldron David A | Wooster, OH 44691 | Oil & Gas Operator | Dec 2003 |
| 3 | Waterco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 4 | Western Hemisphere Group | Buffalo, NY 14218 | Oil & Gas Operator | Dec 1993 |
| 5 | Whidbey Resources Inc | Hudson, OH 44236 | Oil & Gas Operator | Dec 2016 |
| 6 | Windsor Associates Inc | Fairlawn, OH 44333-4006-4006 | Oil & Gas Operator | Dec 2012 |
| 7 | WNT Operating Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2001 |
| 8 | Wood Charles L | Akron, OH 44320 | Oil & Gas Operator | Dec 1990 |
| 9 | WRP Energy Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2017 |