- Nanjing Agricultural University
- Nantes Université
- Nantes Université - Institut d'Administration des Entreprises - Nantes
- Nantes Université - Institut Universitaire de Technologie Saint-Nazaire
- Nantes Université - pôle Sciences et technologie
- Nantes Université - pôle Sociétés
- Nantes université - UFR des Sciences et des Techniques
- NASA
- NASA Goddard Space Flight Center
- NASA Johnson Space Center
- National Academy of Sciences of Ukraine
- NATIONAL ADMINISTRATION APELE ROMANE BUCURESTI ROM
- National Ecological Observatory Network, Science Office
- NATIONAL HEALTH INSTITUTE ROME ITA
- NATIONAL HISTORY MUSEUM COPENHAGEN DNK
- NATIONAL HISTORY MUSEUM LONDON GBR
- NATIONAL INSTITUTE FOR AQUATIC RESOURCES SILKEBORG DNK
- NATIONAL INSTITUTE FRO RESEARCH AND DEVELOPMENT ENVIRONMENTAL PROTECTION ICIM BUCHAREST ROM
- National Institute of Biology [Ljubljana]
- National Institute of Oceanography and Applied Geophysics
- National Institute of Water and Atmospheric Research [Wellington]
- National Observatory of Athens
- National Oceanic and Atmospheric Administration
- NATIONAL RESEARCH COUNCIL INSTITUTE FOR ECOSYSTEM STUDY VERBANIA PALLANZA ITA
- NATIONAL RESEARCH COUNCIL INSTITUTE OF ECOSYSTEM STUDY VERBANIA PALLANZA ITA
- National Research Council of Canada
- National Research Foundation [South Africa]
- NATIONAL RESEARCH INSTITUTE INSTITUTE OF ENVIRONMENTAL PROTECTION WARSAW POL
- Natural Environment Centre [Oulu]
- Natural Resources Canada
- Natural Resources Institute Finland
- NATURAL RESOURCES WALES LLANELLI GBR
- NIHON UNIVERSITY KANAGAWA JPN
- NINA TRONDHEIM NOR
- NIWA NATIONAL INSTITUTE OF WATER AND ATMOSPHERE NZL
- NOAA National Marine Fisheries Service
- Normandie Université
- North-West University [Potchefstroom]
- Norwegian Geotechnical Institute
- Norwegian Institute for Nature Research
- Norwegian Institute for Water Research
- Norwegian University of Science and Technology
- Norwegian University of Science and Technology [Trondheim]