United Rugby Club was created in 2005.
United Services Portsmouth Rugby Football Club was created in 1882.
Horden Rugby Club was created in 1925.
Newman Club - rugby - was created in 1979.
Eastwood Rugby Club was created in 1927.
Westmount Rugby Club was created in 1874.
Heriot's Rugby Club was created in 1890.
Hitchin Rugby Club was created in 1954.
Banco Rugby Club was created in 1991.
Boston Rugby Club was created in 1927.
Millwall Rugby Club was created in 1995.
Amoskeag Rugby Club was created in 1984.