 Željezničar Sarajevo, ŽAK Subotica and Spartak Subotica are the railways-backed clubs with best performances in the league, but besides these there were many others such as ŽAK Kikinda, Železničar Belgrade, Železničar Smederevo, Železničar Lajkovac, Železničar Niš, in Serbia, and Željezničar Doboj in Bosnia.In other parts of Yugoslavia there are other cases, in Macedonia, FK Rabotnički became owned in 1949 by the labour union of the railways company.The link between the club and the railways was kept ever since with their followers even nowadays are known as "Železničari" and the railways simbol is part of club's logo.