ECAC Hockey Membership Members

| Institution | Location_ | Nickname | Founded | Historical_Affiliation | Enrollment | Primary_Conference_ |
|---|---|---|---|---|---|---|
| Princeton University | Princeton, New Jersey | Tigers | 1746 | Nonsectarian, but founded by Presbyterians | 6677 | Ivy League |
| Quinnipiac University | Hamden, Connecticut | Bobcats | 1929 | Private/Non-sectarian | 7700 | MAAC |
| Rensselaer Polytechnic Institute | Troy, New York | Engineers | 1824 | Private/Non-sectarian | 6376 | Liberty League (D-III) |
| St. Lawrence University | Canton, New York | Saints | 1856 | Non-denominational, founded by Universalist Church of America | 2100 | Liberty League (D-III) |
| Union College | Schenectady, New York | Dutchmen | 1795 | Private/Non-sectarian | 2100 | Liberty League (D-III) |
| Yale University | New Haven, Connecticut | Bulldogs | 1701 | Private/Congregationalist | 11483 | Ivy League |