• S-D1002 Contracting Authorities, motorway operators
• S-D1004 Engineering
• S-D1013 Planning and/or construction management
• S-D1015 Civil works testing and inspection
• S-D1016 Surveying
• S-D1017 Engineering services
• S-D1019 Worksite safety coordination services
• S-D801 Materials testing laboratories
• S-D802 Geological, geophysical, geomechanical, chemical and physical laboratory analyses

SINA, an Engineering Company of the ASTM Group, has been operating for over 60 years in the financing, planning, design and supervision of important transport infrastructures. SINA has extensive experience in the design of road infrastructures, as well as in the field of inter-connected transport systems (ITS - Intelligent Trasportation System) integrating telematic knowledge with engineering expertise.