Georgetown University Rugby Football Club was created in 1967.
University of Northern Colorado Rugby Football Club was created in 1969.
Eastwood Rugby Club was created in 1927.
Marista Rugby Club was created in 1961.
Petone Rugby Club was created in 1885.
Athy Rugby Club was created in 1880.
Buckingham Rugby Club was created in 1933.
Tucumán Rugby Club was created in 1942.
Warringah Rugby Club was created in 1963.
Broadstreet Rugby Club was created in 1929.
Olivos Rugby Club was created in 1927.
Whitchurch Rugby Club was created in 1936.