| 1 | Nadel And Gussman, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Jun 2025 |
| 2 | Natural Gas Compression Corp | Cleveland, OK 74020 | Oil & Gas Operator | Jan 2025 |
| 3 | Natural Gas Resources Inc | Davenport, IA 52809-1675 | Oil & Gas Operator | Oct 2022 |
| 4 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Jun 2025 |
| 5 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Jun 2025 |
| 6 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Jun 2025 |
| 7 | Noble Resources Inc | Mannford, OK 74044 | Oil & Gas Operator | Feb 2025 |
| 8 | Northam Oil Company Inc | Ada, OK 74820-3334 | Oil & Gas Operator | Feb 2025 |
| 9 | Northcote Cleveland LLC | Borger, TX 79008 | Oil & Gas Operator | Feb 2025 |
| 10 | Northeast Shelf Energy, L.L.C. | | Oil & Gas Operator | Jun 2017 |
| 11 | Northwind Development Company | | Oil Operator | Oct 1995 |
| 12 | NTR Energy LLC (Osage Cty Only) | | Oil & Gas Operator | Apr 2020 |
| 13 | NV O&G Investments LLC /Osage Only | | Oil Operator | Sep 2022 |