Workers' Commissions
(重定向自CCOO)

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The Workers' Commissions (Spanish:Comisiones Obreras, CCOO) since the 1970s has become the largest trade union in Spain. It has more than one million members and is the most successful union in labor elections, competing with the Unión General de Trabajadores (UGT) (historically affiliated with the Spanish Socialist Workers' Party [PSOE]), with the syndicalist Confederación General del Trabajo (CGT) usually a distant third.