SELEX Sistemi Integrati is a world leader in the definition and integration of systems for defence, coastal and maritime surveillance and air traffic management, with a customer base in 150 countries. Its capabilities include systems for Homeland Protection, integrated air defence systems, battlefield C4I, naval combat management and air traffic management solutions.

SELEX Sistemi Integrati has wide technology base supporting systems in control and surveillance and providing the capability for systems integration across the miltary and civil air traffic management spectrum. From highly adaptive beam-forming systems to multi-chip module development, from wideband gap materials to synthetic environments, the commitment to research and development is the key to the SELEX Sistemi Integrati leadership.

SELEX Sistemi Integrati is a strategic component of Finmeccanica's project for the creation of an electronics group for defence and security applications. SELEX Sistemi Integrati is the result of the reversion of Alenia Marconi Systems Italian operations under Finmeccanica's full control. The new perimeter also includes the activities relevant to Air Traffic Control and Management Systems acquired from BAE Systems in the UK, the weather radar systems of former Gematronik in Germany and the NAVAIDS of former ASI in the USA.