What are the big four banks of Brazil?Information about banking in Brazil.
As of September 30, 2011, the following are the four largest banks in Brazil:
1 Banco do Brasil Brasilia
2 Itau Unibanco Sao Paulo
3 Bradesco Osasco
4 Brazilian Development Bank
The site I found the answer on has a listing of the top 50, which you can see in the source link below.