 Građanski also won several local competitions and during that period and a number of other clubs from Sremska Mitrovica were merged into Građanski, namely "Viktorija", "Posavina" and "Trgovački".After the league reorganization in 1928, Građanski became a member of the Novi Sad Football Association League, one of the Yugoslav Second Leagues in that time, who's winners were promoted to the Yugoslav Football Championship.Although it never achieved promotion, it competed in that level until the Second World War.