ZUE S.A., together with its subsidiaries, provides construction services in Poland. It operates through three segments: Construction Activities, Design Activities, and Sales Activities. The company is involved in the construction and upgrade of tram tracks, tram and trolleybus traction networks, traction substations, street lightings, cable lines, street traffic signalling, road systems, and buildings and telecommunications technology; maintenance of tram and street lighting infrastructure; and construction and upgrade of railway tracks and traction, railway traffic control devices and telecommunications technology, traction substations, power lines, stations, and civil structures, as well as design activities relating to urban and rail transport systems. It also engages in the provision of materials and accessories to build tracks, such as rails for railways, tramways, and cranes; special profiles, light rails, and narrow-gauge railway; steel, wooden, and pre-stressed concrete sleepers; crossovers and crossover components; accessories to build tram and railway tracks; and aggregates, as well as RHEDA 2000 slab tracks, RHEDA CITY C products, RHEDA CITY GREEN tram systems, and Ypsylon steel sleepers. In addition, the company offers infrared systems, WS90E tram switch controllers, switch heating products, and tram switch drives. The company was incorporated in 2002 and is based in Kraków, Poland.