| 701 | Numen Corporation | | Oil & Gas Operator | Jan 1982 |
| 702 | Nupower Energy, LLC | Houston, TX 77058 | Oil & Gas Operator | Nov 2024 |
| 703 | Nuroc Energy Incorporated | Andrews, TX 79714 | Oil Operator | Sep 2024 |
| 704 | Nuss Oil Operations | | Oil & Gas Operator | Aug 1998 |
| 705 | Nuss Sally | | Oil Operator | Mar 1982 |
| 706 | Nuss, Fred J. | Hoisington, KS 67544 | Gas Operator | Jul 2024 |
| 707 | Nuss, Kenneth J. | Russell, KS 67665 | Oil Operator | Aug 1997 |
| 708 | Nutek Oil Inc | San Antonio, TX 78254 | Oil & Gas Operator | Feb 2006 |
| 709 | Nutt Jerrie | Duncan, OK 73534-0698 | Oil & Gas Operator | Nov 2016 |
| 710 | Nuttco Oil & Gas | Corning, OH 43730 | Oil & Gas Operator | Dec 2010 |
| 711 | Nuwi-Bayshore LLC | | Oil & Gas Operator | Dec 1999 |
| 712 | NWG Operating LLC | Canyon, TX 79015 | Oil & Gas Operator | Nov 2024 |
| 713 | NWM Operating Inc | Okeene, OK 73763 | Oil & Gas Operator | Jul 2024 |
| 714 | NWM Properties LLC | Tulsa, OK 74131-4426 | Oil Operator | Aug 2024 |
| 715 | Ny Oil Inc. | | Oil Operator | Sep 2024 |
| 716 | Nyc Resources LTD | Tulsa, OK 74133-5700 | Oil & Gas Operator | Sep 2014 |
| 717 | Nye Exploration & Prod, L.L.C. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2024 |
| 718 | Nye Oil Company | Oklahoma City, OK 73118-1245 | Oil & Gas Operator | Jun 2004 |
| 719 | Nylund* J. W. | | Oil Operator | Jul 2000 |
| 720 | Nytex Energy LLC | Edmond, OK 73083-5946 | Oil & Gas Operator | Sep 2015 |
| 721 | Nytex Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2014 |
| 722 | Nytex, L.L.C. | Edmond, OK 73083 | Oil & Gas Operator | Feb 2006 |
| 723 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 724 | NZ Operating Company Inc. | Houston, TX 77069 | Oil & Gas Operator | Nov 2024 |