The DGB is the German Confederation of Trade Unions (the German TUC). It is made up of 8 trade unions, the two largest are Verdi (United Service Industries Union) - the biggest free trade union in the world, founded after a merger of 5 unions, 4 of which used to be members of the DGB; and the IG Metall (engineering and electrical workers' industrial union), which until the founding of Verdi was the biggest free trade union in the world. Parts of the DGB's website can be also read in English, French and Spanish.