Caixa de Previdência dos Funcionários do Banco do Brasil Created in 1904, is among the largest pension funds in Latin America.The firm primarily provides its services to employees of Banco do Brasil S.A. It offers pension fund to its clients. PREVI is a closed pension entity and its participants are employees of Banco do Brasil and employees of its own board. The Institution works to guarantee these participants social security benefits complementary to those of the Official Pension Plan, in order to contribute to the quality of life of members and their dependents.