The Trade Unions International of Building, Wood, Building Materials and Industries, also known as the Trade Unions International of Construction, Wood, Building Materials and Industries, or by its French acronym UITBB (Union internationale des syndicats des travailleurs du bâtiment, du bois et des matériaux de construction) is a Trade Union International affiliated with the World Federation of Trade Unions. History The UITBB was founded at a conference in Milan in 14–16 July 1949. Organization The highest organization is the Conference which meets every 4 years. Between conferences, the union is run by an administrative committee. The committee elections the president, vice-presidents, secretary general and secretaries, who constitute the executive bureau. The secretariat is made up of the secretary general and secretaries who ran the day-to-day activities of the organization. The organisation's headquarters was in Helsinki from at least 1955. Its address that year was reported to be Kainsaniamenk 5 A 14. In 1957 it was reported to be headquartered at 28B Fredrikinkatu, Box 281. By 1978 it was listed at Fredrikinkatu F28B13 Box10281, 00101 Helskini. From 1985, the address was only listed as Post-office box 281 Helskini. The headquarters have since moved to Nicosia in Cyprus. Membership In 1978 the UITBB claimed 15 million members in 52 affiliated unions in 42 countries. In 1985 this had grown to 17 million members in 72 unions in 57 countries. By 2003, this had fallen to 2 million workers in 50 countries, growing again by 2020 to 2.5 million workers in 60 countries. Member organizations as of 1978 included: - Fraktion Gewerkschaftlicher Linksblock in der Gewerkschaft der Bau-und Holzarbeiter - Building Workers Industrial Union of Australia - Syndicat National des Travailleurs du Batiment, du Bois et des Materiaux de Construction - Confederación Sindical de Trabajadores en Construcciones - Syndicat des Travailleurs du Batiment et des Materiaux de Construction - Syndicat des Travailleurs Forestiers et l'Industrie du Bois - Federación Industrial Nacional de la Edification, Madera, y Materiales de Construccion (in exile) - Federación Nacional de Trabojadores de la Industria de la Construccion, Cemento, y Materiales de Construccion - Fédération Syndicale des Travailleurs du Batiment et Travaux Publics - Sindicato Nacional de Trabajadores de Construccion, Madera y Materiales de Construccion - Sindicato Nacional de Trabajadores de los Construccion - Cyprus Building Wood General Workers Trade Union - Gewerkschaft der Werktatigen der Bau-und-Baumaterialien Industrie - Gewerkschaft der Werktätigen der Holzindustrie, Forst undWasserwirtschaft - Fédération de