| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | N & N Oil | Somerset, OH 43783 | Oil & Gas Operator | Dec 2014 |
| 2 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 3 | Ngo Development Corp. | Newark, OH 43058 | Oil & Gas Operator | Dec 2023 |
| 4 | Noble Gas Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1997 |
| 5 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 6 | North Amer Petroleum Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 7 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Dec 2023 |
| 8 | Nuttco Oil & Gas | Corning, OH 43730 | Oil & Gas Operator | Dec 2010 |