SINA S.p.A., through its subsidiaries, engages in the design, planning, supervision, construction, maintenance, financing, and management of transport infrastructures. The company offers control and planning of maintenance interventions, including engineering, structures supervision, non-destructive technologies, laser surveys, material test laboratories, asset management, environment and safety, and application software. It offers surveying and monitoring, restoration engineering and testing, project financing, feasibility studies, design, and environmental services.