The activity of Vigangroup started takes in Inverigo (near Como lake) in 1950, as an handicraft operation. In 1954, Viganincreased its facilities in order to develop the production of 揈xplosion ProofElectrical material. ......The activity of Vigangroup started takes in Inverigo (near Como lake) in 1950, as an handicraft operation. In 1954, Viganincreased its facilities in order to develop the production of 揈xplosion ProofElectrical material. With the aim of gradual development and quality improvement if their products, the laboratory D&R 揚iero Vigan驍 was founded in 1958, and equipped for all needs to test any material and to check production. In 1969, following market demand, the engineering division which specialises in iron plants and special machines, was founded. In 1995 AD acquired the ViganElectrical. At the present, all activities have been rationalized and the new modern manufacturing plant is concentrated under the factory with the name of A.D. VIGANS.r.l./b> located in Concorezzo - Milano. A.D. VIGANOSrl is now ready to accept the new challenge of looking towards the Millenium.