Core institutions = US-based, degree granting universities, colleges and technical schools and EDU entities.
| Name | Type | Country |
|---|---|---|
| California University of Pennsylvania | EDU | United States |
| Northwestern University | EDU | United States |
| Plymouth State University | EDU | United States |
| Purdue University | EDU | United States |
| Unidata Program Center (UCAR) | UCAR | United States |
| University Corporation for Atmospheric Research (UCAR) | UCAR | United States |
| University of Rhode Island | EDU | United States |
Total: 7 sites | ||