ACS, Actividades de Construcción y Servicios SA provides construction and engineering services and specializes in civil work projects. It operates through the following segments: Construction, Industrial Services, Services, and Corporate Unit. The Construction segment caters civil works, residential, and non-residential buildings. The Industrial Services segment engages in the development of applied engineering services, installations and the maintenance of industrial infrastructures in the energy, communications and control systems sectors. The Services segment comprises the integral building, public spaces and organization maintenance services provided by Clece, as well as personal assistance. The Corporate Unit segment includes corporate activity undertaken by ACS. The company was founded in 1997 and is headquartered in Madrid, Spain.