Cosan's mailing address is AV. BRIGADEIRO FARIA LIMA 4100 16TH FLOOR, SAO PAULO SP D5, 04538-132. The official website for the company is ir.cosan.com.br. The company can be reached via phone at 55-11-3897-9797, via email at ri@cosan.com, or via fax at 55-11-3897-9799.