YIT Oyj provides construction services in Finland, the Czech Republic, Slovakia, Poland, and internationally. It operates through The Housing, The Business Premises, The Infrastructure, and Other segments. The company develops and constructs apartments, residential areas, living services, and leisure-time residences; and develops and carries business premises and hybrid projects. It also constructs and renovates projects for office, retail, sports, hotel, commercial, logistics, and industrial buildings, as well as public buildings. In addition, the company undertakes pipe renovation works for housing companies. Further, the company is involved in the railway and traffic route construction and maintenance, green construction, bridge building and repairing, foundation construction and other earthwork, and shoreline and water works construction activities; and undertakes construction works, such as excavation and structural engineering, water supply construction, and implementing parking facilities. YIT Oyj was founded in 1910 and is based in Helsinki, Finland.