Central Latinoamericana de Trabajadores was created in 1954.
Central de Trabajadores Democráticos was created in 198#.
Central Socialista de Trabajadores was created in 2008.
Central Autónoma de Trabajadores Salvadoreños was created in 1966.
Central del Movimiento de Trabajadores Costarricenses was created in 1964.
Revista Latinoamericana de Química was created in 1970.
Confederación de Trabajadores de Venezuela was created in 1936.
Confederación Revolucionaria de Trabajadores was created in 1954.
Unión General de Trabajadores was created in 1888.
Confederación Unitaria de Trabajadores de Honduras was created in 1992.
Confederación de Sindicatos Unitarios de Trabajadores was created in 1977.
Unión Nacional de Trabajadores de Venezuela was created in 2003.
Agrupación de Trabajadores Latinoamericanos Sindicalistas was created in 1952.