Established since 1920 and formerly named : “Etablissements Billard”, Socofer splits its activities in 4 distinct sectors : > Infrastructure : design and manufacturing of self-propelled, towed or modular units, designed for track, catenaries, and railway infrastructure maintenance > Traction : design and manufacturing of low to medium power, railway traction units > Services : Maintenance services (preventive or corrective) and complete overhaul, modernization and re-powering of railway rolling stock > Outillages : design and manufacturing of special devices to optimize manufacturing and maintenance processes of railroad units or equipment (Turning devices for vehicle frames, bogies and traction motors, maintenance platforms, workshop Lorries)