Core institutions = US-based, degree granting universities, colleges and technical schools and EDU entities.
| Name | Type | Country |
|---|---|---|
| Aristotle University of Thessaloniki | EDU | Greece |
| Australian Bureau of Meteorology | GOV | Australia |
| British Antarctic Survey | EDU | United Kingdom |
| CERN- the European Organization for Nuclear Research | ORG | Switzerland |
| CICESE: Ensenada Center for Scientific Research and Higher Education | EDU | Mexico |
| Climate Monitoring and Diagnostics Laboratory (CMDL/NOAA) | GOV | United States |
| Earth System Research Laboratory (ESRL/NOAA) | GOV | United States |
| European Space Agency | RLAB | France |
| Finnish Meteorological Institute | GOV | Finland |
| French Research Institute for Exploitation of the Sea | RLAB | France |
| German Aerospace Center | COM | Germany |
| Goddard Space Flight Center (GSFC/NASA) | GOV | United States |
| Institute of Development Research | RLAB | New Caledonia |
| Japan Agency for Marine-Earth Science and Technology | GOV | Japan |
| Japan Meteorological Agency | GOV | Japan |
| Kyoto University | EDU | Japan |
| Kyushu University | EDU | Japan |
| Langley Research Center (LARC/NASA) | GOV | United States |
| Lomonosov Moscow State University | EDU | Russian Federation |
| Nagoya University | EDU | Japan |
| National Aeronautics and Space Administration (NASA) | GOV | United States |
| National Institute Of Oceanography | ORG | India |
| National Oceanic and Atmospheric Administration (NOAA) | GOV | United States |
| National Oceanographic Data Center (NODC/NOAA) | GOV | United States |
| National Research Council (CNR) | GOV | Italy |
| National Weather Service of Hungary | GOV | Hungary |
| National Weather Service, Alaska Region (NWS/NOAA) | GOV | United States |
| National Weather Service, Southern Region (NWS/NOAA) | GOV | United States |
| Oak Ridge National Laboratory (ORNL) | GOV | United States |
| Potosinian Institute of Scientific and Technological Research | EDU | Mexico |
| Swiss Federal Institute of Technology ETH Zürich | EDU | Switzerland |
| Technische Universität Berlin | EDU | Germany |
| Tecnológico de Monterrey | EDU | Mexico |
| Tel Aviv University | EDU | Israel |
| Tokyo University of Marine Science and Technology | EDU | Japan |
| U.S. Federal Aviation Administration | GOV | United States |
| U.S. Naval Research Laboratory | MIL | United States |
| U.S. Navy | MIL | United States |
| Universidad Nacional Autónoma de México | EDU | Mexico |
| Universidade de São Paulo | EDU | Brazil |
| University of Adelaide | EDU | Australia |
| University of Cape Town | EDU | South Africa |
| University of Kent | EDU | United Kingdom |
| University of Nottingham | EDU | United Kingdom |
| University of Oslo | EDU | Norway |
| University of Oxford | EDU | United Kingdom |
| University of Reading | EDU | United Kingdom |
| University of Salento | EDU | Italy |
| University of Tasmania | EDU | Australia |
| Università degli Studi di Perugia | EDU | Italy |
| Universität Basel | EDU | Switzerland |
| Universität Bern | EDU | Switzerland |
| Universität Trier | EDU | Germany |
| Waseda University | EDU | Japan |
Total: 54 sites | ||