Core institutions = US-based, degree granting universities, colleges and technical schools and EDU entities.
| Name | Type | Country |
|---|---|---|
| Australian Bureau of Meteorology | GOV | Australia |
| Center for Weather Forecasting and Climate Studies (CPTEC/INPE) | GOV | Brazil |
| Earth System Research Laboratory (ESRL/NOAA) | GOV | United States |
| Geophysical Fluid Dynamics Laboratory (GFDL/NOAA) | GOV | United States |
| Goddard Space Flight Center (GSFC/NASA) | GOV | United States |
| Japan Agency for Marine-Earth Science and Technology | GOV | Japan |
| Japan Meteorological Agency | GOV | Japan |
| Jet Propulsion Laboratory (JPL/NASA) | GOV | United States |
| Johann Wolfgang Goethe Universität Frankfurt am Main | EDU | Germany |
| Lawrence Livermore National Laboratory | GOV | United States |
| National Aeronautics and Space Administration (NASA) | GOV | United States |
| National Institute of Nuclear Physics | RLAB | Italy |
| National Oceanic and Atmospheric Administration (NOAA) | GOV | United States |
| OSIRIS Network | EDU | France |
| Pacific Marine Environmental Laboratory (PMEL/NOAA) | GOV | United States |
| Rheinische Friedrich Wilhelms Universität Bonn | EDU | Germany |
| Tsinghua University China | EDU | Peoples Republic of China |
| U.S. Department of Commerce Boulder Labs (NIST, NOAA and NTIA) | GOV | United States |
| UK Met Office | GOV | United Kingdom |
| University of Cantabria | EDU | Spain |
| University of Edinburgh | EDU | United Kingdom |
| University of French Medical Science | EDU | France |
| Université Catholique de Louvain | EDU | Belgium |
| Université de Reims Champagne-Ardenne | EDU | France |
| Wageningen University and Research Centre | EDU | Netherlands |
Total: 25 sites | ||