Input (grade 13): Industry is highly concentrated geographically, with the leading concentrations in metropolitan São Paulo, Rio de Janeiro, Campinas, Porto Alegre, and Belo Horizonte.
Output (grade 12): The most important cities are São Paulo, Rio de Janeiro, Salvador, Brasília, Curitiba, Belo Horizonte, Porto Alegre, Recife, Fortaleza, Manaus and Vitória.