Core institutions = US-based, degree granting universities, colleges and technical schools and EDU entities.
| Name | Type | Country |
|---|---|---|
| Caribbean Institute for Meteorology and Hydrology | EDU | Barbados |
| Columbia Scientific Balloon Facility (CSBF/NASA) | GOV | United States |
| King's College London | EDU | United Kingdom |
| METEO: National Meteorological Administration | GOV | Romania |
| National Oceanic and Atmospheric Administration (NOAA) | GOV | United States |
| Universidad de Costa Rica | EDU | Costa Rica |
| Universidad de Puerto Rico | EDU | Puerto Rico |
| Universidade Federal do Rio de Janeiro | EDU | Brazil |
| Universitat Politècnica de Catalunya | EDU | Spain |
| University of Reading | EDU | United Kingdom |
Total: 10 sites | ||