Zue SA 

ZUE S.A. is a Polish enterprise dedicated to the construction and upkeep of public transportation infrastructure, with its operations divided into Construction, Design, and Sales segments. The company specializes in creating and modernizing urban transport systems, including tram lines, trolleybus networks, traction power substations, street lighting, cable infrastructure, traffic signaling, and associated roadworks and buildings. Additionally, ZUE S.A. undertakes substantial civil engineering projects involving reinforced concrete, such as viaducts, bridges, underpasses, retaining walls, and sound barriers. In the railway sector, their expertise covers the construction and enhancement of tracks, traction systems, signaling and control apparatus, telecommunications, power substations, distribution lines, and station facilities. Beyond large-scale projects, ZUE S.A. manufactures and supplies specialized equipment like infrared systems, tram switch controllers (including the WS90E model), and heating mechanisms for switches. They also provide a comprehensive range of track components and materials, such as various types of rails (for railways, tramways, cranes, and narrow-gauge lines), different kinds of sleepers (steel, timber, pre-stressed concrete), track crossovers, and aggregates, leveraging diverse construction technologies. Founded in 2002, ZUE S.A. is headquartered in Kraków, Poland.