Ed. Züblin AG operates as a construction company in Germany and internationally. It operates through three segments Turnkey Construction, Construction Engineering, and Plants and Specialist Areas. The Turnkey Construction segment engages in the new construction, expansion, and refurbishment of office and administrative buildings, industrial and residential buildings, shopping centers, hotels, car centers, research establishments, university buildings, and other public buildings. Sectors are transport infrastructure, bridges, tunnels, and steel structures, and other construction engineering activities.