It is the largest water and waste management company in Latin América.[3] It provides basic sanitation services, which include all phases (abstraction, treatment, processing, distribution) and the collection, treatment and reuse of sewage. The São Paulo Metropolitan Region and the Regional Systems accounted for 74.5% and 25.5% of the sales and services rendered during the year ended December 31, 2004 respectively. Sabesp also supplies water on a bulk basis to municipalities in the São Paulo Metropolitan Area, in which it does not operate water systems to local operators.jn