Eduardo Borges de Andrade Filho

Nexa Recursos Minerais SA engages processing of zinc and mining services. The company was founded on January 22, 1975 and is headquartered in Tres Marias, Brazil.

Votorantim Metais Zinco SA produce and distributes zinc. The company was founded on January 22, 1975 and is headquartered in Tres Marias, Brazil.

Votorantim SA is a holding company with interests in steel, cement, mining and metallurgy, and pulp production. It operates through the following segments: Votorantim Cimentos, Nexa Resources, Companhia Brasileira de Alumínio (CBA), Long Steels, Energy, and Other. The Votorantim Cimentos segment manufactures and distributes cement and aggregates. The Nexa Resources segment handles mining operations. The CBA segment offers processed bauxite, molten, aluminum, and nickel carbonate. The Long Steels segment provides steel bars and rolled steel. The Energy segment deals with power generation and distribution. The Other segment consists of wood pulp, agribusiness and finance businesses. The company was founded in 2001 and is headquartered in Sao Paulo, Brazil.

Usiminas Mecanica SA manufactures fabricated metal products. It offers steel buildings structures, bridges, painting endorsements, residential, shipbuilding, offshore and piling steel shapes. The company was founded in 1970 and is headquartered in Belo Horizonte, Brazil.