Our technical areas

Design and installation of turnkey solutions – Project design, management, implementation and commissioning

tunnel de la croix-rousse à Lyon par Mobility

Rail (train, underground, tram, trolleybus)

  • Delivery, transformation and distribution of traction energy
  • Overhead power lines, charging stations
  • Signalling and telecoms (GSM-R)
  • Overall systems integration

Road and tunnel equipment

  • All electromechanical equipment for roads, road tunnels, railway tunnels and high-voltage networks.


  • Ventilation and smoke extraction systems for securing road and railway tunnels and high-voltage networks.