SIO deals with design and supervision on-site for structures of extreme complexity, dimensions and long span, in reinforced concrete and prestressed in situ, slabs and shell, in steel, wood and glass, in Italy and abroad (Puerto Rico, Dominican Republic, Romania, Spain, United Arab Emirates, Madagascar, Nigeria, United States of America, Brasil), through Italian and foreign collaborators, among whom there are Researchers and graduates in "Structures in Seismic Zones" and in "Project Management of Civil Structures and Infrastructures", and external collaborators of the highest level in university and professional circles.