- NANTES UNIVERSITÉ - École Centrale de Nantes
- Nantes Université
- National Engineering School of Tunis = Ecole Nationale d'Ingénieurs de Tunis [University of Tunis El Manar]
- National Institute of Standards and Technology [Gaithersburg]
- National Institute of Technology [Raipu]
- National Research Council of Italy | Consiglio Nazionale delle Ricerche