Companhia de Saneamento de Minas Gerais plans, designs, performs, expands, remodels, manages, and provides water supply and sewage treatment services in Brazil and internationally. It engages in the collection, recycling, treatment, and final disposal of sanitary sewage; drainage and management of urban rainwater; supply of drinking water; and collection, transport, transfer, treatment, and destination of urban, domestic, and industrial waste. The company was formerly known as Companhia Mineira de Água e Esgotos and changed its name to Companhia de Saneamento de Minas Gerais in November 1974. The company was founded in 1963 and is headquartered in Belo Horizonte, Brazil.