Liuna—the Laborers’ International Union Of North America—is The Most Progressive, Aggressive And Fastest-growing Union Of Construction Workers, And One Of The Most Diverse And Effective Unions Representing Public Service Employees. Liuna Members Are On The Forefront Of The Construction Industry – A Sector That Is A Powerhouse Of 12 Million Workers Producing 5 Percent Of Our Countries’ Economic Output. A Half-million Strong, We Are United Through Collective Bargaining Agreements Which Help Us Earn Family-supporting Pay, Good Benefits And The Opportunity For Advancement And Better Lives.