ClubLocationLeagueTierFounded
Linfield—NIFL Premiership—1886Glentoran—NIFL Premiership—1882Belfast Celtic—Dissolved 1949—1891Crusaders—NIFL Premiership—1898Lisburn Distillery—NIFL Premier Intermediate League—1880Cliftonville—NIFL Premiership—1879Portadown—NIFL Premiership—1887Glenavon—NIFL Premiership—1889Larne—NIFL Premiership—1889Ards—NIFL Championship—1900Coleraine—NIFL Premiership—1927Derry City—League of Ireland Premier Division (IRL)—1928