| 1 | Nail Stephen Dba Nail Oil & Gas | Maud, OK 74854 | Oil Operator | Dec 2024 |
| 2 | Natural Resources Operating LLC | Norman, OK 73071-1295 | Oil & Gas Operator | Jan 2023 |
| 3 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Oct 2025 |
| 4 | New Dominion LLC | Tulsa, OK 74119-3220 | Oil & Gas Operator | Jun 2025 |
| 5 | New Lift Inc | Nowata, OK 74048-0245 | Oil & Gas Operator | Mar 2015 |
| 6 | Newell Oil And Gas LLC | Shawnee, OK 74801-5783 | Oil & Gas Operator | Jun 2025 |
| 7 | Nijean, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Feb 2012 |
| 8 | Nitro Petroleum Inc | Phoenix, AZ 85016-4599 | Oil & Gas Operator | May 2020 |
| 9 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 10 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Oct 2025 |
| 11 | Noble Operating Company Inc | Garden City, KS 67846 | Oil & Gas Operator | Sep 2014 |
| 12 | Norman Kenneth W | Sasakwa, OK 74867-0086 | Oil Operator | Oct 2017 |
| 13 | North Canadian Production LLC | Okemah, OK 74859 | Oil & Gas Operator | Jun 2025 |
| 14 | Northbrook Oil & Gas Co LLC | Norman, OK 73072 | Oil & Gas Operator | Nov 2014 |
| 15 | Northbrook Oil & Gas Company | Norman, OK 73070-4916 | Oil & Gas Operator | Jun 2016 |
| 16 | Nossaman E Oil Inc | Del City, OK 73155-5449 | Oil Operator | Oct 2002 |
| 17 | Nye Oil Company | Oklahoma City, OK 73118-1245 | Oil & Gas Operator | Jun 2004 |