- Nagoya University
- Nanjing University of Science and Technology
- Nansen Environmental and Remote Sensing Center [Bergen]
- Nansen International Environmental and Remote Sensing Center - Russia
- Nansen International Environmental and remote Sensing Centre
- Nantes Université
- Nantes Université - pôle Humanités
- NASA
- NASA Ames Research Center
- NASA Goddard Institute for Space Studies
- NASA Goddard Space Flight Center
- NASA GSFC GREENBELT USA
- NASA Headquarters
- NASA Langley Research Center [Hampton]
- NASA Marshall Space Flight Center
- National Academy of Sciences of Ukraine = Національна академія наук України = Académie nationale des sciences d'Ukraine
- National Center for Atmospheric Research [Boulder]
- National Institute for Public Health and the Environment [Bilthoven]
- National Institute of Agro-Environmental Sciences
- National Institute of Information and Communications Technology [Tokyo]
- National Institute of Polar Research [Tokyo]
- National Observatory of Athens
- National Oceanic and Atmospheric Administration
- National Research Council of Italy | Consiglio Nazionale delle Ricerche
- National Science Foundation [Arlington]
- National Solar Observatory [Tucson]
- National Space Institute [Lyngby]
- National Space Science and Technology Center
- National Space Science Center [Beijing]
- Natural Environment Research Council
- Naval Research Laboratory
- New Mexico Consortium
- New Mexico State University
- NIAES TSUKUBA JPN
- NOAA Atlantic Oceanographic and Meteorological Laboratory
- NOAA Environmental Technology Laboratory
- NOAA Space Weather Prediction Center
- Normandie Université
- Northernwest Polytechnical University [Xi'an]
- Norwegian Defence Research Establishment
- Norwegian Institute for Air Research
- Norwegian Meteorological Institute [Oslo]
- Norwegian Polar Institute
- Norwegian University of Science and Technology
- Norwegian University of Science and Technology [Trondheim]
- NPO KVANT