- Cairo University
- Calcul Scientifique
- California Institute of Technology
- California State University [Bakersfield]
- California State University [Los Angeles]
- California State University [Northridge]
- California State University [San Bernardino]
- Caltech Department of Astronomy [Pasadena]
- Caltech Division of Geological and Planetary Sciences
- Caltech Seismological Laboratory
- Campus Universitario de Ciudad Real
- Canada-France-Hawaii Telescope Corporation
- Canadian Centre for Climate Modelling and Analysis
- Canadian Institute for Theoretical Astrophysics
- Canadian Meteorological Centre
- Canadian Space Agency
- Canton of Aargau
- Capacity Center for Climate and Weather Extremes
- Capgemini
- Capgemini Consulting [Paris]
- Capgemini Technology Services
- Capgemini [Toulouse]
- Cardiff University
- Caribbean Institute for Meteorology and Hydrology
- Caribbean Institute of Astronomy
- Carl Sagan Center
- Carl Sagan Institute
- Carl Von Ossietzky Universität Oldenburg = Carl von Ossietzky University of Oldenburg
- Carnegie Earth and Planets Laboratory
- Carnegie Institution for Science
- Carnegie Mellon University [Pittsburgh]
- Carta-Rouxel
- Case Western Reserve University [Cleveland]
- CAS Key Laboratory of Basic Plasma Physics
- CAS Key Laboratory of Earth and Planetary Physics
- CAS Key Laboratory of Geospace Environment
- CAS Key Laboratory of Lunar and Deep Space Exploration
- Catholic University of America
- Catholic University of Leuven = Katholieke Universiteit Leuven
- Cavendish Laboratory
- Cayman Islands National Weather Service
- CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire)
- CEA- Saclay
- Cedrat
- CEDRAT
- Center for Advanced Studies of SPbSPU
- Center for Advanced Studies, Research and Development in Sardinia
- Center for Applied Geoscience [Tübingen]
- Center for Applied Research in Physics and Advanced Technologies
- Center for Astronautical Physics and Engineering
- Center for Astrophysics and Space Astronomy [Boulder]
- Center for Astrophysics and Space Sciences [La Jolla]
- Center for Atmosphere Ocean Science [NYU]
- Center for Atmospheric Particle Studies [Pittsburgh]
- Center for Atmospheric Sciences [Hampton]
- Center for Biomedical Engineering Research
- Center for Climate and Resilience Research [Conception]
- Center for Climate System Research [Kashiwa]
- Center for Climate Systems Research [New York]
- Center for Computational Astrophysics [New York]
- Center for Desertification Research (CIDE)
- Center for Earth and Planetary Studies [Washington]
- Center for Earth Resources Observation and Science
- Center for Earth System Research and Sustainability
- Center for Earth System Science [Beijing]
- Center for Ecosystem Science and Society
- Center for Environmental Diagnostics and Bioremediation [Pensacola]
- Center for Environmental Effects on Health [Athens]
- Center for Environmental Measurement and Modeling
- Center for Environmental Remote Sensing [Chiba]
- Center for Environmental Systems Research [Kassel]
- Center for Excellence in Comparative Planetology
- Center for GeoBioSciences, GeoTechnologies and GeoEngineering
- Center for Global Environmental Research [Tsukuba]
- Center for International Climate and Environmental Research [Oslo]
- Center for Isotope Cosmochemistry and Geochronology
- Center for Lasers and Applications [São Paulo]
- Center for Marine and Environmental Studies
- Center for Marine Environmental Sciences [Bremen]
- Center for Meteorite Studies [Tempe]
- Center for Neuroscience and Regenerative Medicine [Bethesda]
- Center for Ocean-Atmospheric Prediction Studies
- Center for Radiophysics and Space Research [Ithaca]
- Center for Research and Exploration in Space Science and Technology [Baltimore]
- Center for Research and Exploration in Space Science and Technology [College Park]
- Center for Research and Exploration in Space Science and Technology [GSFC]
- Center for Robust Decision Making on Climate and Energy Policy
- Center for Solar System Studies
- Center for Space and Habitability
- Center for Space and Remote Sensing Research [Taïwan]
- Center for Space Physics [Boston]
- Center for Space Plasma and Aeronomic Research [Huntsville]
- Center for Space Research and Technology [Athens]
- Center for Space Sciences and Technology
- Center for Theoretical Astrophysics and Cosmology
- Center for Weather Forecasting and Climate Studies [São Paulo]
- Center of Excellence in Space Sciences India
- Center of Smart Interfaces
- Central Aerological Observatory
- Central Arizona College
- Centrale Lille
- CentraleSupélec
- Central Institute for Meteorology and Geodynamics [Vienna]
- Central Laboratory of Air Quality Survey
- Central Scientific Research Institute for Machine Building [Korolev]
- Central Washington University
- CENTRA-SIM
- Centre Alexis Vautrin
- Centre Alpin de Recherche sur les Réseaux Trophiques et Ecosystèmes Limniques
- Centre d’Analyses et de Recherche
- Centre d’Analyses et de Recherche - Lebanon
- Centre d'Applications et de Recherches en TELédétection [Sherbrooke]
- Centre de biophysique moléculaire
- Centre de Coopération Internationale en Recherche Agronomique pour le Développement
- Centre de Développement des Energies Renouvelables
- Centre de Données de la Physique des Plasmas
- Centre de formation et de recherche en environnement marin
- Centre de Formation et de Recherche sur les Environnements Méditérranéens
- Centre de Géosciences
- Centre de Météorologie Spatiale
- Centre d'enseignement Cnam Paris
- Centre d'Enseignement et de Recherche en Environnement Atmosphérique
- Centre d'Enseignement et de Recherche en Mathématiques et Calcul Scientifique
- Centre de Physique des Particules de Marseille
- Centre de Physique Théorique [Palaiseau]
- Centre de Quito - IRD
- Centre de Recherche Astrophysique de Lyon
- Centre de Recherche en Astronomie Astrophysique et Géophysique
- Centre de recherche en épidémiologie et santé des populations
- Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189
- Centre de Recherche "Individus Epreuves Sociétés" - ULR 3589
- Centre de Recherche Public Henri-Tudor [Luxembourg]
- Centre de Recherche Public Henri Tudor [Technoport]
- Centre de Recherche Scientifique de Conakry Rogbané
- Centre de Recherches de Climatologie
- Centre de Recherches en Oncologie biologique et Oncopharmacologie
- Centre de recherches insulaires et observatoire de l'environnement
- Centre de recherches internationales (Sciences Po, CNRS)
- Centre de Recherches Pétrographiques et Géochimiques
- Centre de recherches sur la géologie des matières premières minérales et énergétiques
- Centre de recherche sur la dynamique du système Terre
- Centre de recherche sur les Ions, les MAtériaux et la Photonique
- Centre de Sciences Nucléaires et de Sciences de la Matière
- Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
- Centre de Suivi Ecologique [Dakar]
- Centre d'Etude de Saclay
- Centre d'étude des environnements terrestre et planétaires
- Centre d'Etudes de la Neige
- Centre d'études et de recherche en informatique et communications
- Centre d'Etudes Lasers Intenses et Applications
- Centre d'Etudes Nucléaires de Bordeaux Gradignan
- Centre d'étude spatiale des rayonnements
- Centre d'études spatiales de la biosphère
- Centre d'études techniques de l'équipement de Lyon
- Centre d’Investigation Clinique 1429 [Garches]
- Centre Eau Terre Environnement [Québec]
- Centre Electronique de l'Armement [Bruz]
- Centre ESCER
- Centre Européen de Biotechnologies et Bioéconomie
- Centre Européen de Recherche et de Formation Avancée en Calcul Scientifique
- Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement
- Centre for Astrophysics and Planetary Science [Canterbury]
- Centre for Astrophysics, University of Central Lancashire
- Centre for Atmosphere Watch and Services [Beijing]
- Centre for Atmospheric Chemistry [Wollongong]
- Centre for Atmospheric Informatics and Emissions Technology
- Centre for Atmospheric Research
- Centre for Atmospheric Research Experiments
- Centre For Atmospheric Research Experiments
- Centre for Atmospheric Science [Cambridge, UK]
- Centre for Atmospheric Science [Manchester]
- Centre for Australian Weather and Climate Research
- Centre for Climate and Air Pollution Studies [Galway]
- Centre for Cold Matter, Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ,
- Centre for Earth Evolution and Dynamics [Oslo]
- Centre for Earth Observation Science [Winnipeg]
- Centre for Earth, Planetary, Space and Astronomical Research [Milton Keynes]
- Centre for Ecology and Hydrology [Bangor]
- Centre for Ecology and Hydrology [Edinburgh]
- Centre for Ecology and Hydrology [Lancaster]
- Centre for Ecology and Hydrology [Wallingford]
- Centre for Energy and Environment
- Centre for Environmental Hazard Mitigation
- Centre for Environmental Modelling And Computation [Leeds]
- Centre for Environmental Science and Engineering [Kanpur]
- Centre for Excellence in Environmental Data Science
- Centre for Exoplanets and Habitability
- Centre for Exoplanet Science
- Centre for Fusion, Space and Astrophysics
- Centre for Geography and Environmental Science
- Centre for High-Performance Scientific Computing in Terrestrial Systems
- Centre for Ice and Climate [Copenhagen]
- Centre for Isotope Research [Groningen]
- Centre for Marine Technology and Ocean Engineering
- Centre for Materials and Coastal Research [Geesthacht]
- Centre for Materials and Processes
- Centre for Mathematical Plasma-Astrophysics [Leuven]
- Centre for Ocean and Atmospheric Sciences [Norwich]
- Centre for Oceans, Rivers, Atmosphere and Land Sciences
- Centre for Planetary Science and Exploration [London, ON]
- Centre for Planetary Sciences [UCL|Birkbeck]
- Centre for Plasma Astrophysics [Leuven]
- Centre for Polar Observation and Modelling
- Centre for Radiation, Chemical and Environmental Hazards
- Centre for Research in Earth and Space Science [Toronto]
- Centre for Sea Level Change [Abu Dhabi]
- Centre for Space, Atmospheric and Oceanic Science [Bath]
- Centre for Space Research and Applications [Nigeria]
- Centre for Star and Planet Formation
- Centre for the Environment
- Centre Hospitalier Régional Universitaire [CHU Lille]
- Centre Hospitalier Régional Universitaire de Besançon
- Centre Hospitalier Régional Universitaire de Nancy
- Centre Hospitalier Universitaire d'Angers
- Centre Hospitalier Universitaire de Nîmes
- Centre Hospitalier Victor Dupouy
- Centre Interdisciplinaire de Recherche Ions Lasers
- Centre International de Recherches, d'Enseignements et de Soins
- Centre international d'études supérieures en sciences agronomiques
- Centre National de la Recherche Scientifique
- Centre national de la recherche scientifique et technologique [Ouagadougou]
- Centre national de recherches météorologiques
- Centre National d'Etudes Spatiales - Direction Des Lanceurs.
- Centre National d’Études Spatiales [Paris]
- Centre National d'Études Spatiales [Toulouse]
- Centre national du machinisme agricole, du génie rural, des eaux et forêts
- Centre Observation, Impacts, Énergie
- Centre of Applied Geomatics [Warsaw]
- Centre of Excellence CETEMPS
- Centre of Excellence for Modelling the Atmosphere and Climate
- Centre Opérationnel de Surveillance Militaire des Objets Spatiaux
- Centre régional africain des sciences et technologies de l'espace en langue française (Organisation des Nations Unies)
- Centre Régional de Lutte contre le Cancer Oscar Lambret [Lille]
- Centre Sciences des Processus Industriels et Naturels
- Centre Scientifique et Technique du Bâtiment
- Centre Spatial de Liège
- Centre Suisse d'Electronique et de Microtechnique SA [Neuchatel]
- Centre Suisse d'Electronique et Microtechnique SA
- Centro Andaluz de Medio Ambiente
- Centro Astronomico di Libbiano
- Centro Astronómico Hispano Alemán, Observatorio de Calar Alto
- Centro Austral de Investigaciones Científicas [Ushuaia]
- Centro de Astrobiologia [Madrid]
- Centro de Astrofísica da Universidade do Porto
- Centro de Astronomia e Astrofísica da Universidade de Lisboa
- Centro de Ciencias de la Atmosfera [Mexico]
- Centro de Estudios Avanzados en Zonas Aridas
- Centro de Estudos do Ambiente e do Mar
- Centro de Física da Universidade de Coimbra
- Centro de Física da Universidade do Minho
- Centro de Geofisica de Évora = Centre of Geophysics of Evora
- Centro de Investigação da Terra e do Espaço da UC
- Centro de Investigación Atmosférico de Izaña
- Centro de Investigacion Científica y de Educacion Superior de Ensenada
- Centro de Investigaciones del Mar y la Atmósfera
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
- Centro de Investigaciones en Láseres y Aplicaciones [Buenos Aires]
- Centro de Investigaciones sobre Desertificacion
- Centro de Investigación y Tecnología Agroalimentaria de Aragón
- Centro de Investigaci on y Tecnología del Agua
- Centro de Quimica Estrutural
- Centro de Recursos Asociativos El Cerro
- Centro di Ateneo di Studi e Attività Spaziali “Giuseppe Colombo”
- Centro di Geodesia Spaziale [Matera]
- Centro di ricerca sul clima e i cambiamenti climatici
- Centro Euro-Mediterraneo per i Cambiamenti Climatici [Bologna]
- Centro Nacional de Medio Ambiente
- Centro Nacional de Microelectronica [Spain]
- Centro Nacional de Monitoramento e Alertas de Desastres Naturais [Sao Paulo, Brésil]
- Centro Nacional de Pesquisa em Energia e Materiais = Brazilian Center for Research in Energy and Materials
- Centro para el Desarollo de la Technología Industrial
- Centro per l'Integrazione della Strumentazione scientifica
- Centro Ricerche Casaccia
- CERN [Genève]
- CERN Theoretical Physics Department
- Chair for RF and Photonics Engineering
- Chair of Analytical Food Chemistry
- Chalmers Techniska Högskola
- Chalmers University of Technology [Göteborg]
- Changchun Institute of Optics, Fine Mechanics and Physics
- Chaplygin Siberian Aeronautical Research Institute
- Chapman University
- Chemical Analysis Facility
- Chemical and Forensic Sciences [Bradford]
- Chemical Science and Technology Laboratory
- Chemical Sciences and Engineering Division
- Chemical Sciences Division [LBNL Berkeley]
- Chengdu University of Information Technology
- Chercheur indépendant
- Chesapeake Energy Corporation
- Chiba Institute of Technology
- Chiba University
- Chimie Atmosphérique Expérimentale
- Chimie Organique et Bioorganique : Réactivité et Analyse
- China Agricultural University
- China Earthquake Administration
- China Meteorological Administration
- Chinese Academy of Meteorological Sciences
- Chinese Academy of Sciences [Beijing]
- Chinese Academy of Sciences [Changchun Branch]
- Chinese Academy of Sciences [Nanjing Branch]
- Chinese Academy of Sciences [Wuhan Branch]
- Chinese Institutions of Earth Science
- Christian-Albrechts-Universität zu Kiel = Christian-Albrechts University of Kiel = Université Christian-Albrechts de Kiel
- Chubu Institute for Advanced Studies
- Chubu University
- Chukotka UGMS
- Chungbuk National University
- CHU Pitié-Salpêtrière [AP-HP]
- CHU Trousseau [APHP]
- Ciències i Tecnologies de l’Espai - Centre de Recerca de l’Aeronàutica i de l’Espai
- Circuits Intégrés Numériques et Analogiques
- CISRO Oceans and Atmosphere
- CITI Centre of Innovation in Telecommunications and Integration of services
- City University of Hong Kong [Hong Kong]
- City University of New York [New York]
- Civil Protection Agency of Abruzzo Region
- Clarendon Laboratory [Oxford]
- Clean Energy Regulator
- Clermont Université
- Climate and Environmental Physics [Bern]
- Climate and Environmental Physics Laboratory [Russia]
- Climate Change Research Center
- Climate Change Research Centre [Sydney]
- Climate Change Unit [Ispra]
- Climate Chemistry Measurements and Research
- Climat, Environnement, Couplages et Incertitudes [Toulouse]
- Climate Research Division [Toronto]
- Climate Service Center [Hambourg]
- Climate Systems Analysis Group [Cape Town]
- Climat et fonctionnement des agro-écosystèmes, rôle de l'agrodiversité dans la stabilité de la production
- Climatic Change and Climate Impacts Research Group
- Cluster Earth and Climate [Amsterdam]
- CNET
- CNR Institute for Photonics and Nanotechnologies
- CNR Institute of Atmospheric Sciences and Climate
- CNR Institute of Electronics, Computer and Telecommunication Engineering [Torino]
- CNR Istituto di elettronica e di ingegneria dell'informazione e delle telecomunicazioni
- CNR Istituto di Fotonica e Nanotecnologie [Milano]
- CNR Istituto di Fotonica e Nanotecnologie [Padova]
- CNR Istituto di Fotonica e Nanotecnologie [Trento]
- CNR Istituto per i Processi Chimico-Fisici
- CNRS AERIS PARIS FRA
- CNRS|DIST Direction de l'information scientifique et technique
- Cochin University of Science and Technology
- Collaborative Innovation Center of Astronautical Science and Technology
- Collecte Localisation Satellites
- Collège de France
- Collège de France - Chaire Evolution du climat et de l'océan
- College of Aerospace Science and Engineering
- College of Computer, Mathematical, and Natural Sciences [College Park]
- College of Earth and Mineral Sciences
- College of Earth and Planetary Sciences [Beijing]
- College of Earth, Ocean and Atmospheric Sciences [Corvallis]
- College of Earth Sciences [Beijing]
- College of Engineering and Physical Sciences [UNH Durham]
- College of Engineering, Mathematics and Physical Sciences [Exeter]
- College of Environmental Sciences and Engineering [Peking]
- College of Global Change and Earth System Science
- College of Information and Computer Sciences [Amherst]
- College of Information Science and Engineering [Qingdao]
- College of Marine Science [St Petersburg, FL]
- College of Natural Science and Mathematics [Fairbanks]
- College of Natural Science and Mathematics [Houston]
- College of Oceanic and Atmospheric Sciences [Corvallis]
- College of Ressources and Environmental Sciences
- College of the Desert
- Colorado Center for Astrodynamics Research
- Colorado Department of Public Health and Environment
- Colorado Research Associates [Boulder]
- Colorado School of Mines
- Colorado State University [Fort Collins]
- Colorado Technical University
- Columbia Astrophysics Laboratory
- Columbia University [New York]
- COMAT
- C.O.M.A.T Concept Mécanique Assistance Technique
- Comenius University in Bratislava
- Comisión Nacional de Energía Atómica [ARGENTINA]
- Comissão National de Energia Nuclear
- Comité Francéclat
- Commandement de la défense aérienne et des opérations aériennes de l'Armée de l'Air
- Commissariat à l'énergie atomique et aux énergies alternatives
- Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information
- Commission for Astronomy of the Austrian Academy of Sciences
- Committee on Space Research
- Commonwealth Scientific and Industrial Research Organisation [Australia]
- CommSensLab-UPC
- Communications and Power Industries
- Communications Research Centre Canada
- Compagnie Générale de Géophysique
- Computational And VisualsiEnce Lab
- Computational Physics, Inc.
- Computational Physics Incorporated
- Computer Science and Artificial Intelligence Lab, MIT
- Computer Science Department
- COMSATS Institute of Information Technology [Islamabad]
- Concordia College [MN]
- Concordia College, Moorhead
- Concordia University [Montreal]
- Conditions Extrêmes et Matériaux : Haute Température et Irradiation
- ConocoPhillips Company [Houston]
- Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires]
- Consejo Superior de Investigaciones Cientificas [España] = Spanish National Research Council [Spain]
- Conservatoire National des Arts et Métiers [CNAM]
- Consiglio Nazionale della Ricerche [Roma]
- Consiglio Nazionale delle Ricerche [Bologna]
- Consiglio Nazionale delle Ricerche [Potenza]
- Consorzio Criospazio Ricerche
- Consorzio Nazionale Interuniversitario per le Scienze FIsiche della Materia
- Cooperative Institute for Marine and Atmospheric Studies
- Cooperative Institute for Mesoscale Meteorological Studies
- Cooperative Institute for Meteorological Satellite Studies
- Cooperative Institute for Research in Environmental Sciences
- Cooperative Institute for Research in the Atmosphere
- Cooperative Institute for Satellite Eareth System Studies
- Copernicus Institute of Sustainable Development [Utrecht]
- Core Research for Evolutional Science and Technology
- Cork Constraint Computation Centre
- Cornell Center for Astrophysics and Planetary Science
- Cornelle University
- Cornell University [Ithaca]
- Cornell University [New York]
- Council for Scientific and Industrial Research [Pretoria]
- Coupling environmental data and simulation models for software integration
- Courant Institute of Mathematical Sciences [New York]
- Cranfield University
- Creotech Instruments SA
- Crimean Astrophysical Observatory
- Croatia Control Ltd.
- Croatian Meteorological and Hydrological Service
- CS Group - SI Toulouse [France]
- CSIRO Astronomy and Space Science
- CSIRO Climate Science Centre
- CSIRO Land and Water
- CSIRO Marine and Atmospheric Research
- CSIRO Marine and Atmospheric Research [Aspendale]
- CSIRO Oceans and Atmosphere
- CSIRO Wealth from Oceans National Research Flagship
- CSNSM AS
- CS-Systèmes d'Information [Toulouse]
- Curtin Institute for Computation
- Curtin University
- Curtis University
- CY Cergy Paris Université
- Cycles biogéochimiques marins : processus et perturbations
- Cyprus Institute
- Cyprus Space Exploration Organisation
- Czech Academy of Sciences [Prague]
- Czech Geological Survey [Praha]
- Czech Hydrometeorological Institute
- Czech University of Life Sciences Prague