Free Federation of Workers was created in 1899.
Socialist Workers' Federation was created in 1909.
Aruban Workers' Federation was created in 1964.
Syndicalist Workers' Federation was created in 1950.
National Transport Workers' Federation was created in 1910.
National Federation of Workers' Councils was created in 1989.
International Transport Workers' Federation was created in 1896.
Finnish Workers' Sports Federation was created in 1919.
Argentine Regional Workers' Federation was created in 1906.
Hong Kong Federation of Education Workers was created in 1975.
Free Workers' Union was created in 1977.
Workers' Socialist Federation ended in 1924.
Free Luxembourger Workers' Union was created in 1945.