ClubLocationLeagueTierFounded
Ballymena United—NIFL Premiership—1934Carrick Rangers—NIFL Premiership—1939Cliftonville—NIFL Premiership—1879Coleraine—NIFL Premiership—1927Crusaders—NIFL Premiership—1898Dungannon Swifts—NIFL Premiership—1949Glenavon—NIFL Premiership—1889Glentoran—NIFL Premiership—1882Larne—NIFL Premiership—1889Linfield—NIFL Premiership—1886Portadown—NIFL Premiership—1887Warrenpoint Town—NIFL Premiership—1987