| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Navarro Gas Production Company | Gas Operator | Dec 1996 | |
| 2 | Nemours Corporation | Gas Operator | Jan 1986 | |
| 3 | Newhaven Operating Inc | Oil & Gas Operator | Dec 1998 | |
| 4 | Nip-N-Tuck Minerals, Inc. | Gas Operator | Feb 1988 |