| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | N & B Enterprise | Oil Operator | Nov 1994 | |
| 2 | N & B Enterprises, Inc. | Iola, KS 66749 | Oil & Gas Operator | Dec 2023 |
| 3 | N & P Enterprises | Oil Operator | May 1997 | |
| 4 | Nataraja Oil Corporation | Foley, AL 36535 | Oil Operator | Aug 2010 |
| 5 | NC Oil Company, Inc. | Humboldt, KS 66748 | Oil Operator | Dec 2023 |
| 6 | Nordmeyer Oil, Inc. | Toronto, KS 66777 | Oil Operator | Dec 2019 |
| 7 | Norstar Petroleu | Oil & Gas Operator | Dec 1996 | |
| 8 | Nova Oil Company | Oil Operator | Nov 2023 |