| 1 | Nadel And Gussman, L.L.C. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2024 |
| 2 | National Cooperative RFG Assoc | McPherson, KS 67460-1404 | Oil & Gas Operator | Jun 2006 |
| 3 | National Oil Company | Garden City, KS 67846 | Oil & Gas Operator | Jun 2024 |
| 4 | Native Exploration Operating LLC | Oklahoma City, OK 73102-5804 | Oil & Gas Operator | Sep 2024 |
| 5 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Dec 2024 |
| 6 | Newkumet Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 7 | Nexco Inc | Oklahoma City, OK 73102-6801 | Oil & Gas Operator | Nov 2013 |
| 8 | Nfcda Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | Sep 2024 |
| 9 | Nichols, Irl. A. Trust B | Duncan, OK 73534 | Oil & Gas Operator | Sep 2000 |
| 10 | Nielson & Associates Inc | Cody, WY 82414 | Oil & Gas Operator | Feb 2016 |
| 11 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
| 12 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Dec 2024 |
| 13 | Nomoc Oil Company Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2006 |
| 14 | North American Royalties, Inc. | Chattanooga, TN 37408 | Oil & Gas Operator | Oct 2001 |
| 15 | Northwest Oil Company | Dallas, TX 75204 | Oil & Gas Operator | Jun 2014 |