| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Nerco Oil & Gas, Inc. | Oil & Gas Operator | Dec 1996 | |
| 2 | Neuhoff Oil & Gas Corp. | Oil & Gas Operator | Dec 1986 | |
| 3 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
| 4 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
| 5 | Nomeco Oil & Gas Co. | Jackson, MI 49204 | Oil & Gas Operator | Dec 1994 |
| 6 | Norcen Explorer, Inc. | Houston, TX 77079 | Oil & Gas Operator | May 1998 |
| 7 | North American Royalties, Inc. | Chattanooga, TN 37408 | Oil & Gas Operator | Oct 2001 |
| 8 | Northern Michigan Expl Co | Oil & Gas Operator | Jul 1990 |