SIPTU

SIPTU (Services, Industrial, Professional and Technical Union; Irish:An Ceardchumann Seirbhísí, Tionsclaíoch, Gairmiúil agus Teicniúil) is Ireland's largest trade union, with around 200,000 members. Most of these members are in the Republic of Ireland, although the union does have a Northern Ireland branch. Its head office, Liberty Hall, is in Dublin, and regional headquarters are located in Kilkenny, Galway, Cork and Monaghan. SIPTU is affiliated to the Irish Congress of Trade Unions and to the Irish Labour Party.