Construcciones Rubau, S.A., a construction company, provides civil engineering and construction, property development, and concession management solutions in Spain and internationally. The company offers the construction, operation, conservation, and maintenance of roads, hydraulic works, water treatment and the environment, maritime works, railway works, airport works, housing developments and industrial estates, and asphalt surfacing, and buildings, such as office and service buildings, sporting and cultural facilities, educational institutions, housing, and industrial facilities.