- Nagoya University
- Namibia University of Science and Technology
- Nanchang University
- Nanjing University
- Nanjing University of Information Science and Technology
- Nanochemistry Research Institute, Department of Applied Chemistry [Curtin University of Technology]
- Nanovation SARL
- Nansen Environmental and Remote Sensing Center [Bergen]
- Nantes Université
- NANTES UNIVERSITÉ - École Centrale de Nantes
- Nantes Université - pôle Humanités
- Nantes Université - pôle Sciences et technologie
- Nantes université - UFR des Sciences et des Techniques
- Nanyang Technological University [Singapour]
- Nara Women's University
- Nardi Scientific, LLC
- NASA
- NASA Ames Research Center
- NASA ExoPlanet Science Institute
- NASA Glenn Research Center
- NASA Goddard Institute for Space Studies
- NASA Goddard Space Flight Center
- NASA Goddard Space Flight Centre, Greenbelt, MD 20771, USA
- NASA Headquarters
- NASA Johnson Space Center
- NASA Langley Research Center [Hampton]
- NASA Marshall Space Flight Center
- NASA Science Mission Directorate
- NASA Wallops Flight Facility
- National Academy of Sciences of Belarus
- National Academy of Sciences of Ukraine = Національна академія наук України = Académie nationale des sciences d'Ukraine
- National Aeronautics and Space Administration
- National and Kapodistrian University of Athens
- National Astronomical Observatories [Beijing]
- National Astronomical Observatory of Japan
- National Atmospheric Research Laboratory [Tirupati]
- National Authority for Remote Sensing and Space Sciences
- National Center for Atmospheric Research [Boulder]
- National Center for Earth and Space Science Education
- National Center for Scientific Research "Demokritos"
- National Central University [Taiwan]
- National Centre for Atmospheric Science [Leeds]
- National Centre for Atmospheric Science [Leicester]
- National Centre for Atmospheric Science [Manchester]
- National Centre for Atmospheric Science [York]
- National Centre for Earth Science Studies [India]
- National Centre of Competence in Research PlanetS
- National Chiao Tung University
- National Climate Centre [Melbourne]
- National Environmental Research Institute [Danmark]
- National High Magnetic Field Laboratory
- National Institute for Earth Physics [Romania] - Institutul Național pentru Fizica Pământului
- National Institute for Environmental Studies
- National Institute for Materials Science
- National Institute for Public Health and the Environment [Bilthoven]
- National Institute for Space Research [Sao José dos Campos] = Instituto Nacional de Pesquisas Espaciais
- National Institute of Advanced Industrial Science and Technology
- National Institute of Aerospace [Hampton]
- National Institute of Environmental Research [South Korea]
- National Institute of Information and Communications Technology [Tokyo]
- National Institute of Meteorological Sciences
- National Institute of Polar Research [Tokyo]
- National Institute of Research and Development for Optoelectronics
- National Institute of Standards and Technology [Boulder]
- National Institute of Standards and Technology [Gaithersburg]
- National Institute of Standards and Technology, Optical Technology Division
- National Institute of Technology [Patna]
- National Institute of Technology Srinagar
- National Institute of Water and Atmosphere [Hamilton]
- National Institute of Water and Atmospheric Research [Auckland]
- National Institute of Water and Atmospheric Research [Christchurch]
- National Institute of Water and Atmospheric Research [Lauder]
- National Institute of Water and Atmospheric Research [Wellington]
- National Key Laboratory of Science and Technology on Multi-Spectral Information Processing [HUST]
- National Laser Centre [Pretoria]
- National Marine Environmental Forecasting Center
- National Marine Environmental Monitoring Center
- National Meteorological Service [Ushuaia]
- National Observatory of Athens
- National Oceanic and Atmospheric Administration
- National Oceanographic Centre [Liverpool]
- National Oceanographic Centre Southampton
- National Oceanography Centre
- National Oceanography Centre [Southampton]
- National Physical Laboratory [Teddington]
- National Pollen and Aerobiology Research Unit
- National Radio Astronomy Observatory
- National Radio Astronomy Observatory [Socorro]
- National Remote Sensing Centre [Hyderabad]
- National Renewable Energy Laboratory
- National Research Council of Canada
- National Research Council of Italy | Consiglio Nazionale delle Ricerche
- National Research Institute for Physical-technical and Radiotechnical Measurements
- National Research Institute of Astronomy and Geophysics [Helwan]
- National Research University of Information Technologies, Mechanics and Optics [St. Petersburg]
- National Satellite Meteorological Center [Beijing]
- National Satellite Ocean Application Service
- National Science Foundation [Arlington]
- National Severe Storms Laboratory
- National Solar Observatory [Boulder]
- National Solar Observatory [Sacramento Peak]
- National Solar Observatory [Tucson]
- National Space Institute [Lyngby]
- National Space Research and Development Agency
- National Space Science and Technology Center
- National Space Science Center [Beijing]
- National Sun Yat-sen University
- National Synchrotron Radiation Laboratory
- National Taiwan Normal University
- National Taiwan University [Taiwan]
- National Technical University of Athens [Athens]
- National University of Defense Technology [China]
- National University of Ireland [Galway]
- National University of Ireland Maynooth
- National University of La Plata
- National University of Sciences and Technology [Islamabad]
- National University of Singapore
- Natural Environment Research Council
- Natural History Museum of Denmark
- Natural History Museum [Vienna]
- Natural Resources Canada
- Natural Resources Institute Finland
- Nature Publishing Group
- Naval Research Laboratory
- Naval Research Laboratory at Stennis Space Center
- Navarino Environmental Observatory
- NCAR Earth Systems Laboratory
- NCAS-Climate [Cambridge]
- NCEP Climate Prediction Center
- NCEP Environmental Modeling Center
- Nebraska Wesleyan University
- NERC Centre of Ecology and Hydrology
- NERC National Centre for Earth Observation
- Netherlands Environmental Assessment Agency
- Netherlands Institute for Radio Astronomy
- Neurophysiologie Respiratoire Expérimentale et Clinique
- Newcastle University [Newcastle]
- New Jersey Institute of Technology [Newark]
- New Mexico Consortium
- New Mexico Institute of Mining and Technology [New Mexico Tech]
- New Mexico Museum of Natural History and Science
- New Mexico State University
- New South Wales Office of Environment and Heritage
- New York State Department of Environmental Conservation
- New York University [Abu Dhabi]
- New York University [New York]
- Nexeya Conseil & Formation
- Nicholas School of the Environment
- Nichols College Dudley
- Nicolaus Copernicus University [Toruń]
- Niels Bohr Institute [Copenhagen]
- Nigerian Meteorological Agency
- Ningbo Research Institute, State Key Laboratory of Modern Optical Instrumentation
- NIPPI Corporation
- NOAA Air Resources Laboratory
- NOAA Atlantic Oceanographic and Meteorological Laboratory
- NOAA Center for Satellite Applications and Research
- NOAA Chemical Sciences Laboratory
- NOAA-CIRES Climate Diagnostics Center
- NOAA Climate Monitoring and Diagnostics Laboratory
- NOAA Climate Program Office
- NOAA Earth System Research Laboratory
- NOAA Geophysical Fluid Dynamics Laboratory
- NOAA National Centers for Environmental Information
- NOAA National Centers for Environmental Prediction
- NOAA National Environmental Satellite, Data, and Information Service
- NOAA National Geophysical Data Center
- NOAA National Weather Service
- NOAA Office of Satellite and Product Operations
- NOAA Pacific Marine Environmental Laboratory [Newport]
- NOAA Pacific Marine Environmental Laboratory [Seattle]
- NOAA Physical Sciences Laboratory
- NOAA Space Weather Prediction Center
- Nordic Optical Telescope
- Normandie Université
- Norsk institutt for bioøkonomi=Norwegian Institute of Bioeconomy Research
- Norsk Institutt for Luftforskning
- North Carolina State University [Raleigh]
- Northeastern University [Boston]
- Northern Arizona University [Flagstaff]
- Northern Research Institute Tromsø
- Northrop Grumman
- Northumbria University [Newcastle]
- Northwest Atlantic Fisheries Centre
- Northwestern University [Evanston]
- NorthWest Research Associates
- NorthWest Research Associates [Boulder]
- North-West University [Potchefstroom]
- North-West University [South Aftrica]
- Norut Gruppen AS
- Norut IT
- Norwegian Defence Research Establishment
- Norwegian Institute for Air Research
- Norwegian Institute of Public Health [Oslo]
- Norwegian Meteorological Institute [Oslo]
- Norwegian Polar Institute
- Norwegian Pollution Control Authority
- Norwegian Radiation and Nuclear Safety Authority
- Norwegian Research Center
- Norwegian Seismic Array
- Norwegian University of Science and Technology
- Norwegian University of Science and Technology [Aalesund]
- Norwegian University of Science and Technology [Trondheim]
- Nova Southeastern University
- NOVELTIS [Sté]
- NOVIMET
- NPD Group
- NPO S. Lavochkin
- NRL's Marine Meteorology Division
- NTNU University Museum [Trondheim]
- Núcleo de Física Médica e Ambiental
- Nucleus for European Modeling of the Ocean
- NUMTECH
- NYU System