| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Natural Gas Pipeline Co Of Amer. | Houston, TX 77002 | Gas Operator | Jul 2008 |
| 2 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | Mar 2026 |
| 3 | Nisrol, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Sep 2018 |
| 4 | Nodding Donkey Production | Pampa, TX 79065 | Oil & Gas Operator | Mar 2026 |
| 5 | North Country Energy LLC | Amarillo, TX 79159 | Oil & Gas Operator | Mar 2026 |
| 6 | North Star Petroleum Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1993 |