Charing Cross Hospital RFC was created in 1875.
Westminster Hospital RFC was created in 1897.
Cross Keys RFC was created in 1885.
King's College Hospital RFC was created in 1869.
St. George's Hospital Medical School RFC was created in 1863.
Berwick RFC was created in 1926.
Hackney RFC was created in 1963.
Llwynypia RFC was created in 1891.
Cwmbran RFC was created in 1880.
Tonna RFC was created in 1888.
Wicklow RFC was created in 1963.
Ayr RFC was created in 1897.
Crymych RFC was created in 1984.