| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Nahama & Weagant Energy Company | Oil & Gas Operator | Dec 1997 | |
| 2 | National Oil Company | Garden City, KS 67846 | Oil & Gas Operator | Jun 2024 |
| 3 | Natural Gas Corp. Of Calif. | Oil & Gas Operator | Dec 1987 | |
| 4 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Nov 2025 |
| 5 | Northwest Petroleum Inc. | Oil & Gas Operator | Aug 2025 |