| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Sep 2025 |
| 2 | Keito Gas Inc | Reno, OH 45773 | Oil & Gas Operator | Dec 2020 |
| 3 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 4 | Kilbarger Investments Inc | Logan, OH 43138 | Oil & Gas Operator | Dec 2024 |
| 5 | Killbuck Creek Oil Co LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 6 | Kingston Oil Corp | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 7 | Knox Energy Inc | New Albany, OH 43054 | Oil & Gas Operator | Dec 2024 |