Cadagua, S.A. engages in the engineering and construction of water and wastewater treatment and RO desalination facilities. The company operates water treatment plants, such as seawater desalination plants and brackish water desalination plants, drinking water treatment plants, municipal wastewater treatment plants and industrial wastewater treatment plants, industrial make-up water treatment plants and demineralization plants for process and boilers, cooling water treatment plants in steel mills, including casting and rolling machines, advanced biosolids treatment plants.