ClubLocationLeagueTierFounded
Gloucester City—Southern League - Premier Division South—1883Gosport Borough—Southern League - Premier Division South—1944Hadley—Southern League - Division One Central—1882Halesowen Town—Southern League - Premier Division Central—1873Hanwell Town—Southern League - Premier Division South—1920Harborough Town—Southern League - Premier Division Central—1975Hendon—Southern League - Premier Division South—1908Hertford Town—Southern League - Division One Central—1901Hitchin Town—Southern League - Division One Central—1928Hungerford Town—Southern League - Premier Division South—1886Kettering Town—Southern League - Premier Division Central—1872Kidlington—Southern League - Division One Central—1909Kings Langley—Southern League - Division One Central—1886Leighton Town—Southern League - Division One Central—1885Leiston—Southern League - Premier Division Central—1880Malvern Town—Southern League - Division One South—1946Marlow—Southern League - Premier Division South—1870Melksham Town—Southern League - Division One South—1876
Merthyr Town—Southern League - Premier Division South—1909Mousehole—Southern League - Division One South—1922Needham Market—Southern League - Premier Division Central—1919
Nelson Suburbs—Southern League—1962Nomads United—Southern League—1910North Leigh—Southern League - Division One Central—1908Plymouth Parkway—Southern League - Premier Division South—1988Poole Town—Southern League - Premier Division South—1880Rayners Lane—Southern League - Division One Central—1933Redditch United—Southern League - Premier Division Central—1891Royston Town—Southern League - Premier Division Central—1875Selwyn United—Southern League—2013