Wilfred Theodoor Bruijn

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.

Mineração Usiminas SA owns and operates iron ore mines. It offers mining, logistics, and steel transformation services; operating as a subsidiary of Usiminas SA. The company was founded in 2010 and is headquartered in Belo Horizonte, Brazil.