|Tunnel security, SCADA, telecommunication|
|Engineering & IT Security|
|New Railway tracks and track renewal|
|Train Components and renewal|
|Traction line and substations|
Design and construction of railway infrastructures, sleepers, stations, railway equipment and line traction, telecommunications, ticketing, safety.
|Engineering & Consulting|
|SOS & Toll Payment|
|SCADA and diagnostics|
|Panels & barriers|
Design, construction and installation of technologies for tunnels and motorways, info panels, SOS, toll payments.