Cementos Bío Bío SA engages in the manufacture of cement and ready-mix concrete. It operates through Cement and Other Segments. The Cement Segment manufacture and sell cement and ready-mixed concrete. The Other Segment is comprised of the general administration services and other results of the parent company. The company was founded by Hernán Briones Gorostiaga and Alfonso Rozas Ossa on December 27, 1957 and is headquartered in Santiago, Chile.