| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | N H Wheless Oil Company | Shreveport, LA 71101 | Gas Operator | Sep 2002 |
| 2 | N.L.S., Inc. | Kimberling City, MO 65686 | Oil & Gas Operator | Aug 2016 |
| 3 | Northern Natural Gas Prod | Gas Operator | Oct 1989 | |
| 4 | Northern Pump Company | Denver, CO 80202-3130 | Oil & Gas Operator | Feb 2006 |