Kier Group plc primarily engages in the construction business in the United Kingdom and internationally. The company operates through four segments: Infrastructure, Construction, Property, and Corporate. It constructs power stations, roads, bridges, railways, and tunnels; and buildings for private, education, health, and public sector. It also provides maintenance services for the UK road, rail, and utilities infrastructure, as well as reactive repairs; water and network services; and mechanical and electrical engineering and fabric maintenance services. In addition, the company invests in and develops property schemes and sites. Kier Group plc was incorporated in 1992 and is based in Salford, the United Kingdom.