Companhia de Saneamento Básico do Estado de São Paulo - SABESP provides basic and environmental sanitation services in the São Paulo State, Brazil. The company supplies treated water and sewage services on a wholesale basis. As of December 31, 2024, it provided water services through 9.5 million water connections; and sewage services through 8.2 million sewage connections in 375 municipalities of the São Paulo State. The company was founded in 1954 and is headquartered in São Paulo, Brazil.