Core institutions = US-based, degree granting universities, colleges and technical schools and EDU entities.
| Name | Type | Country |
|---|---|---|
| French Research Institute for Exploitation of the Sea | RLAB | France |
| Government of Canada | GOV | Canada |
| HDF Group | ORG | United States |
| ITC | EDU | Netherlands |
| National Aeronautics and Space Administration (NASA) | GOV | United States |
| National Oceanic and Atmospheric Administration (NOAA) | GOV | United States |
| U.S. Air Force | MIL | United States |
| U.S. Army | MIL | United States |
| U.S. Geological Survey | GOV | United States |
| UNAVCO | ORG | United States |
| Universidade de Aveiro | EDU | Portugal |
| Water Center for the Humid Tropics of Latin America and the Caribbean (CATHALAC) | ORG | Panama |
Total: 12 sites | ||