| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Natland Energy Corp | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 2 | Ngo Development Corp. | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 3 | North Amer Petroleum Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 4 | North American Petroleum Inc | Scottsdale, AZ 85262 | Oil & Gas Operator | Dec 2024 |
| 5 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Jun 2025 |