Carlos Mario Calad Serrano

Aços Villares SA manufactures and sells steel products. The firm offers engineering steels products, which include sheets, blocks, billets, long carbon steel, and specialty long steel products. It also provides rolls products that comprise back-up rolls, forged steel work rolls for cold strip mills, work rolls for hot strip mills rougher stands, work rolls for hot strip mills finishing stands, forged and cast rolls for roughing stands for long products, and cast rolls for finishing stands of long products. The company was founded on August 18, 1944 and is headquartered in Sao Paulo, Brazil.

Telemar Participações SA is engaged in investment activities. Its interests focus on the telecommunications industry. It operates through the following segments: Fixed Telephony/Data, Mobile Telephony, and Others. The Fixed Telephony/Data segment provides voice and data transmission services. The Mobile Telephony segment offers calls, messaging, and 3G services for mobile devices. The Others segment encompasses internet access, telemarketing and customer services, cable television, and payment management services. The company was founded on July 29, 1997 and is headquartered in Rio de Janeiro, Brazil.

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.

America Latina Logistica Internacional Ltda. The company is based in Vinhedo, Brazil. provides railway line logistics services.