The Companhia do Metropolitano de São Paulo (São Paulo Metro Company), Metrô de São Paulo (São Paulo Metro) or simply Metrô is one of the urban railways that serve the city of São Paulo, Brazil. Alongside CPTM, Motiva (through subsidiaries ViaQuatro and ViaMobilidade) and TIC Trens (owned by Grupo Comporte), it forms the largest metropolitan rail transport network of Latin America.