Banco Rugby Club was created in 1991.
Boston Rugby Club was created in 1927.
United Rugby Club was created in 2005.
Manchester Rugby Club was created in 1860.
Westmount Rugby Club was created in 1874.
Eastwood Rugby Club was created in 1927.
Spartacus Rugby Club was created in 1968.
Heriot's Rugby Club was created in 1890.
Horden Rugby Club was created in 1925.
Hitchin Rugby Club was created in 1954.
Uttoxeter Rugby Club was created in 1982.
Millwall Rugby Club was created in 1995.