San Pedro S.A. is a company that operates drinking water production and distribution, sewerage, and wastewater treatment services in its urban service concessions in eight municipalities and five regions of Chile: San Pedro de la Paz and Coronel in the Biobío Region; Chillán in the Ñuble Region; Curicó in the Maule Region; Puerto Montt in Los Lagos Region; Buin, Colina, and Pudahuelin the Metropolitan Region.