| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | N Central Casing Pullers, Inc. | Oil & Gas Operator | May 1994 | |
| 2 | Nabors Drilling Company, Inc. | Oil & Gas Operator | Aug 1977 | |
| 3 | Nabors-Johnson Prod Co., Inc. | Oil & Gas Operator | Dec 2020 | |
| 4 | Nadel & Gussman-Jetta Oper. Co. | Oil & Gas Operator | Mar 2012 | |
| 5 | Nelson Energy, Inc. | Oil & Gas Operator | Nov 2023 | |
| 6 | Noram Field Services Corp. | Oil Operator | Apr 1999 | |
| 7 | Northeast Resources | Oil & Gas Operator | Jan 1992 | |
| 8 | Now Development Co., Inc. | Tyler, TX 75702 | Oil & Gas Operator | Dec 2017 |