Tags: Trade Union.
Unione Sindacale Italiana (USI; Italian Syndicalist Union or Italian Workers Union) is an anarcho-syndicalist trade union. It is the Italian section of the International Workers Association (IWA; Associazione Internazionale dei Lavoratori in Italian or AIT – ”Asociación Internacional de los Trabajadores in the common Spanish reference) and the name of USI is also abbreviated as USI-AIT.