Siemens has supplied the security for the largest infrastructure project created in the Catalan region of Spain in the last 20 years. The new Terminal 1 at Barcelona International Airport (also known as El Prat de Llobregat Aeropuerto), the second largest airport in Spain, was inaugurated on 17 June 2009, consolidating Barcelona's place amongst the most important air hubs in Europe.
Siemens is one of the largest electronics and engineering companies in the world, operating in the areas of automation and control, transportation, information and communications, lighting, building technologies, water technologies and services, medical, power and home appliances.