Oscar Augusto de Camargo Filho

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.

Valepar SA operates as a holding company with interests in the mining and production of iron ore and other related metals. The company was founded on April 10, 1997 and is headquartered in Rio de Janeiro, Brazil.

Caemi Mineração e Metalurgia SA (CAEMI) operates as a holding company in mining and iron ore processing operations in the state of Minas Gerais and exports from its sea terminal in the state of Rio de Janeiro. Through CADAM, CAEMI is active in the international market of kaolin for coated paper. CADAM's industrial facilities are located in Brazil's North Region, with an additional plant in Belgium. CAEMI also holds interests in PPSA, a Brazilian company that produces and sells high quality and performance kaolin-based pigments, particularly for the world paper and board industry. CAEMI was founded in December, 1987 and is located in Rio de Janeiro, Brazil.

ArcelorMittal Mining Canada GP explores and produces iron ore products and resources. The company is headquartered in Montréal, Canada.

Mineracoes Brasileiras Reunidas SA engages with the mining business. It produces and exports iron ore. The company was founded on December 20, 1971 and is headquartered in Nova Lima, Brazil.