- NASA
- NASA Glenn Research Center
- NASA Goddard Space Flight Center
- NASA Langley Research Center [Hampton]
- NEXTER Systems
- NOAA Chemical Sciences Laboratory
- NOAA Earth System Research Laboratory
- Nagaoka University of Technology
- Nanjing University
- Nanjing University of Information Science and Technology
- Nantes Université
- Nantes Université - Ecole Polytechnique de l'Université de Nantes
- Nantes Université - Institut Universitaire de Technologie Saint-Nazaire
- Nantes Université - pôle Sciences et technologie
- Nantes université - UFR des Sciences et des Techniques
- Nanyang Technological University [Singapour]
- National Astronomical Observatory of Japan
- National Center for Atmospheric Research [Boulder]
- National Defense Academy of Japan
- National Engineering Research Center for Flue Gas Desulfurization
- National Engineering Research Center for Information Technology in Agriculture [Beijing]
- National Engineering School of Monastir
- National Institute of Standards and Technology [Gaithersburg]
- National Oceanic and Atmospheric Administration
- National Renewable Energy Laboratory
- National Research Council of Italy | Consiglio Nazionale delle Ricerche
- National Synchrotron Radiation Laboratory
- National University of Ireland [Galway]
- New Jersey Institute of Technology [Newark]
- Nguyen Tat Thanh University [Vietnam]
- Normandie Université
- Novosibirsk State University
- Nuclear Research and Consultancy Group