ACS, Actividades de Construcción y Servicios, S.A. provides construction and related services in Spain, the United States, Australia, Canada, Germany, rest of Europe, and internationally. The company undertakes civil construction activities related to building infrastructure, such as highways, motorways, railways, maritime hydraulic, and airport works, residential buildings, and non-residential building; data centers, electric vehicle battery, healthcare and educational facilities, airports, sports, and commercial offices; and roads and bridges, dams and water treatment plants, and underground projects. It also offers infrastructure services for railway, transport, communications and technology, energy, resources, water, and defense sectors, as well as maintenance services for buildings, public places, and organizations; mining services. It also engages in the design, construction, and operation of mineral processing plants and associated mining infrastructure; promotion and development of transport concessions; real estate development and management activities; and invests in developing infrastructure projects. In addition, the company provides services for people, such as care for elderly citizens and dependent people. Further, it offers maintenance, cleaning, security, professional energy efficiency, and logistics services. ACS, Actividades de Construcción y Servicios, S.A. was founded in 1997 and is based in Madrid, Spain.