The UIC (S) expanded its activities inside the Iran after the Iranian Revolution in 1979 and some other groups such as “Group of struggle in the path of working class liberation” and “Red Battle” also joined.
伊共盟于1979年伊朗革命后在伊朗境内扩大活动，其它一些组织如“工人阶级解放道路斗争团体”（Group of struggle in the path of working class liberation）和“红色战役”（Red Battle），也加入其中。