| 1 | Naifco Oil & Gas LLC | Oklahoma City, OK 73107-0467 | Oil & Gas Operator | Jan 2024 |
| 2 | Naro Oil Corporation | Dallas, TX 75230-1986 | Oil & Gas Operator | Nov 2003 |
| 3 | National Oil Company | Garden City, KS 67846 | Oil & Gas Operator | Jan 2024 |
| 4 | Natural Gas Compression Corp | Cleveland, OK 74020-0065 | Oil & Gas Operator | Nov 2023 |
| 5 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | May 2024 |
| 6 | Nelson Exploration Corporation | | Oil & Gas Operator | Jan 2024 |
| 7 | Nemaha Environmental Services LLC | Enid, OK 73703 | Oil Operator | Feb 2024 |
| 8 | New Dominion LLC | Tulsa, OK 74119-3220 | Oil & Gas Operator | Jan 2024 |
| 9 | New Energy Corporation | Rancho Santa Fe, CA 92067-1990 | Oil & Gas Operator | Jan 2024 |
| 10 | New Gulf Resources, LLC | Tulsa, OK 74133 | Oil & Gas Operator | May 2018 |
| 11 | Nexus Resources Corporation | Drumright, OK 74030 | Oil & Gas Operator | Jan 2013 |
| 12 | Noble Resources Inc | Mannford, OK 74044-0570 | Oil & Gas Operator | Feb 2024 |
| 13 | Noco Investment Company Inc | Tulsa, OK 74159-0470 | Oil & Gas Operator | Mar 2005 |
| 14 | Nogp Operating Company LLC | | Oil & Gas Operator | Jan 2024 |
| 15 | Northwest Disposal Corporation | Laverne, OK 73848-0504 | Oil & Gas Operator | Jul 2014 |
| 16 | Nub'S Well Servicing Inc | Fox, OK 73435-0206 | Oil & Gas Operator | Feb 2024 |
| 17 | NWM Properties LLC | Tulsa, OK 74131-4426 | Oil Operator | Feb 2024 |