Humberto Ramos de Freitas

Alumina do Norte do Brasil SA operates an aluminum refinery. The company is headquartered in Barcarena, Brazil.

Vale do Rio Doce Alumínio SA mines for bauxite and produces aluminum. The company is headquartered in Rio de Janeiro, Brazil.

Part of Vale SA, Mineração Vera Cruz Ltda. is a mining company based in Gravatai, Brazil. Mineração Vera Cruz Ltda. The Brazilian company mines for bauxite. The CEO of the company is Murilo Pinto de Oliveira Ferreira. was acquired by Vale do Rio Doce Aluminio SA from Paranapanema SA on July 02, 2002 for $2.24 million.

Mineração Rio do Norte SA extracts, processes and sells bauxite ore. It also transports products by rail and loads it onto ships for sea transport at its Porto Trombetas Bauxite Terminal. The company was founded in 1967 and is headquartered in Oriximina, Brazil.

Part of Vale SA, Valesul Aluminio SA is a Brazilian company that produces aluminum. The company is based in Santa Cruz, Brazil. Valesul Aluminio was acquired by Vale SA from BHP Group Ltd. on July 03, 2006 for $27.50 million.

Alumínio Brasileiro SA engages in the production of aluminum. It supplies domestic and foreign markets with high-purity ingots. The company was founded in 1985 and is headquartered in Barcarena, Brazil.

Vale Nouvelle-Caledonie SAS engages in the production of iron ore and nickel. It offers iron ore and pellets, manganese, ferroalloys, coal, copper, gold, silver, cobalt and fertilizers. The company was founded in 1978 and is headquartered in Noumea, New Caledonia.

Vale Ltd. engages in the mining, processing, and marketing of nickel. The firm produces nickel, copper, cobalt, platinum, rhodium, ruthenium, iridium, gold, and silver. The company was founded in 1901 and is headquartered in Toronto, Canada.