| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Natomas North America Inc | Oil & Gas Operator | Aug 1993 | |
| 2 | Natural Resource MGMT. Corp. | Oil & Gas Operator | Jun 1989 | |
| 3 | Nomeco Oil & Gas Co. | Jackson, MI 49204 | Oil & Gas Operator | Dec 1994 |
| 4 | North Central Oil Corp. | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
| 5 | Northern Michigan Expl Co | Oil & Gas Operator | Jul 1990 |