SIGMAc is one of the leading italian companies producing precast prestressed concrete beams for bridges of the road and railway network.From 1955 up to date SIGMAc has produced more than 7 millions meters of prestressed manufactures all over Italy and abroad, acquiring a great specialized knowledge to face and solve different problems of the construction industry.The company boasts a specialized team of skilled engineers with multi-year experience to provide custom made projects with the help of specific structural design software.SIGMAc is always searching for innovative solutions in the engineering field and it's involved in several R&D projects.