| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Natland Energy Corp | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 2 | North Coast Petroleum Inc | Hiram, OH 44234 | Oil & Gas Operator | Dec 1993 |
| 3 | Northeastern Energy | Warren, OH 44484 | Oil & Gas Operator | Dec 1991 |
| 4 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Sep 2025 |