Core institutions = US-based, degree granting universities, colleges and technical schools and EDU entities.
| Name | Type | Country |
|---|---|---|
| Columbia Scientific Balloon Facility (CSBF/NASA) | GOV | United States |
| EUMETSAT | RLAB | Germany |
| Earth System Research Laboratory (ESRL/NOAA) | GOV | United States |
| Goddard Space Flight Center (GSFC/NASA) | GOV | United States |
| HDF Group | ORG | United States |
| Istanbul Technical University | EDU | Turkey |
| Jet Propulsion Laboratory (JPL/NASA) | GOV | United States |
| National Centers for Environmental Prediction (NCEP/NOAA) | GOV | United States |
| National Ocean Service (NOS/NOAA) | GOV | United States |
| National Oceanic and Atmospheric Administration (NOAA) | GOV | United States |
| National Oceanographic Data Center (NODC/NOAA) | GOV | United States |
| National Severe Storms Laboratory (NSSL/NOAA) | GOV | United States |
| National Weather Service (NWS/NOAA) | GOV | United States |
| Sandia National Laboratories | GOV | United States |
| U.S. Army Corps of Engineers | MIL | United States |
| Universidad de Colima | EDU | Mexico |
| Universidad de Costa Rica | EDU | Costa Rica |
Total: 17 sites | ||