Oil & Gas Companies in Knox County, OH
| Company Name | Company Location | Company Type | Most Recent Production |
| 201 | Valley Petroleum Management | Utica, OH 43080 | Oil & Gas Operator | Dec 2024 |
| 202 | W H Patten Drilling Co | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2024 |
| 203 | W K Frost Inc | Newark, OH 43055 | Oil & Gas Operator | Dec 2020 |
| 204 | Wallick Petroleum Co | Reynoldsburg, OH 43068 | Oil & Gas Operator | Dec 1994 |
| 205 | Warren C J Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 1984 |
| 206 | Welsh Hills Oil & Gas Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1999 |
| 207 | Wheeler Michael D | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 208 | White J P | Rock Creek, OH 44084 | Oil & Gas Operator | Dec 1989 |
| 209 | Whitetail Crude Inc | Ness City, KS 67560 | Oil & Gas Operator | Jun 2025 |
| 210 | Whitney Thomas C | Danville, OH 43014 | Oil & Gas Operator | Dec 2024 |
| 211 | Wilson Petroleum Corp | Westerville, OH 43081 | Oil & Gas Operator | Dec 2000 |
| 212 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 213 | WM Oil & Gas Inc | Canton, OH 44721 | Oil & Gas Operator | Dec 2018 |
| 214 | Wolford Ben & Bonnie | Frazeysburg, OH 43822 | Oil Operator | Dec 2016 |
| 215 | Wray-Vernau Partnership | Newark, OH 43055 | Oil & Gas Operator | Dec 1988 |
| 216 | Zenith Oil & Gas Inc | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 1999 |
Production numbers shown above are only for Knox County, OH and for the production period listed.