Roberto Antônio Mendes

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

Mendes Junior Participacoes SA functions as an investment holding Brazilian company.

Part of PricewaterhouseCoopers International Ltd., PricewaterhouseCoopers Brasil Ltda. The company is based in Barueri, Brazil. is a Brazilian company that provides professional services, mainly assurance, tax, and advisory services.

Fertilizantes Fosfatados SA produces fertilizers and chemicals. It operates in three segments chemicals, fertilizers and services. The fertilizer segment produces nitrogen, phosphorus and potassium. It supplies raw materials for the fertilizer industry and chemical companies. It also provides logistics services through its marine terminal, railway, highway and pipelines. It runs its own mines, processing plants and industrial processing units. The company was founded in 1977 and is headquartered in Uberaba, Brazil.

Instituto Hermes Pardini SA engages in the provision of medical diagnostic services. It operates through the Patient Service Centers (PSC) and Reference Laboratory (Lab-to-Lab) segments. The PSC segment offers direct services to clients, including clinical analysis tests, imaging exams, and vaccines. The Lab-to-Lab segment comprises clinical analysis tests for other companies in the health care sector, such as laboratories, clinics, and hospitals. The company was founded by Hermes Pardini in 1959 and is headquartered in Belo Horizonte, Brazil.