Syndicate of Workers of Tehran and Suburbs Bus Company

The Syndicate of Workers of Tehran and Suburbs Bus Company (SWTSBC) (Persian: سنديكای شركت واحد اتوبوسرانی) is a trade union centered on the Greater Tehran region. It has a membership of over 17,000 labourers; most of whom work for the United Bus Company of Tehran (Sharekat-e Vahed).