Independent Workers Union of Ireland was created in 2003.
Workers Power - Ireland - was created in 1976.
Workers' Party of Ireland was created in 1970.
Workers' Union was created in 1898.
Socialist Workers Party - Ireland - was created in 1971.
Golfing Union of Ireland was created in 1891.
Union of Students in Ireland was created in 1959.
Australian Workers' Union was created in 1894.
Bulgarian Workers Union was created in 1935.
Antigua Workers' Union was created in 1967.
Union of Djibouti Workers was created in 1992.
Christian Workers' Union was created in 1963.