- Nantes Métropole
- Nantes Métropole Aménagement
- NANTES UNIVERSITÉ - École Centrale de Nantes
- NANTES UNIVERSITÉ - École nationale supérieure d'architecture de Nantes
- Nantes Université - pôle Humanités
- Nantes Université - pôle Santé
- Nantes Université - pôle Sciences et technologie
- NASA
- National Academy of Sciences of Belarus
- National Cancer Institute [Bethesda]
- National Center for Parasitology, Entomology and Malaria Control [Phnom Penh, Cambodia]
- National Health Laboratory Service, Cape Town
- National Heart, Lung, and Blood Institute [Bethesda]
- National Institute for Communicable Diseases [Johannesburg]
- National Institute for Public Health and the Environment [Bilthoven]
- National Institute of Oncology
- National Institute of Public Health and Environment
- National Institute of Public Health = Instituto Nacional de Salud Pública [Cuernavaca, Mexique]
- National Institute of Public Health [Prague]
- National Institute of Water and Atmospheric Research [Wellington]
- National Medicines Institute - Narodowy Instytut Leków [Warsaw]
- National Museum of Natural History
- National Reference Centre for Neisseria meningitidis [Bruxelles]
- National University of Life and Environmental Sciences of Ukraine
- National University of Singapore
- Natural Environment Research Council
- Navarra Public Health Institute
- Navarre Public Health Institute
- NCBID
- Netherlands Cancer Institute
- Newcastle University [Newcastle]
- Nextel S.A. [Bilbao]
- Niigata University
- North Carolina State University [Raleigh]
- North-Eastern Federal University
- North Potomac
- Northwestern University [Evanston]
- Norwegian Institute of Public Health [Oslo]
- Norwegian University of Life Sciences
- Nouvel Hôpital Civil de Strasbourg
- NRG Netherland