- NASA Goddard Space Flight Center
- NERC Centre of Ecology and Hydrology
- NORCE Norwegian Research Center
- National Agricultural Research and Innovation Center
- National Center for Atmospheric Research [Boulder]
- National Ecological Observatory Network, Science Office
- National Institute of Advanced Industrial Science and Technology
- National Oceanography Centre [Southampton]
- National Research Council
- National Research Council (CNR), Institute of Biosciences and BioResources
- National Research Council [Italy]
- National Research Council of Italy | Consiglio Nazionale delle Ricerche
- Natural Environment Research Council
- Natural Resources Institute Finland
- Neftel Research Expertise
- New Zealand Forest Research Institute
- Normandie Université
- Norsk institutt for bioøkonomi=Norwegian Institute of Bioeconomy Research
- North Carolina State University [Raleigh]
- Northern Arizona University [Flagstaff]
- Northwest German Forest Research Station
- Norwegian Institute for Air Research
- Norwegian Meteorological Institute [Oslo]