| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | N. B. Hunt | Oil & Gas Operator | May 1981 | |
| 2 | Nabors Well Services LTD | Oil Operator | Apr 2011 | |
| 3 | Nadel & Gussman-Jetta Oper. Co. | Oil & Gas Operator | Mar 2012 | |
| 4 | Nadel And Gussman Ruston, LLC | Oil & Gas Operator | Nov 2023 | |
| 5 | Nebo Operating Company | Oil & Gas Operator | Apr 1991 | |
| 6 | Neilco | Oil & Gas Operator | Nov 2023 | |
| 7 | Nelson Energy, Inc. | Oil & Gas Operator | Nov 2023 | |
| 8 | Nelson Oil & Gas, Inc. | Oil & Gas Operator | Aug 1995 | |
| 9 | NGL Processing, LLC | Oil Operator | Jun 2000 | |
| 10 | Noram Field Services Corp. | Oil Operator | Apr 1999 |