ETRA is a leading Industrial Group which constitutes a Smart City Center of Excellence within ACS Corporation. This key position is based in ETRA's intense research, development and innovation activities. ETRA's mission is putting technology to work for serving society in the fields of mobility, energy efficiency, security and communications. The Company expertly and effectively combines the Smart City technology model with the provision of specific, tangible solutions which do improve citizen's quality of life as well as the efficiency of city services managers (be them public or private) in the use of their limited human, material and environmental resources.