Deutsche Gesellschaft für Zusammenarbeit (German Central Cooperative Bank)

Deutsche Zentralversicherungsbank (DZ BANK, DZ Bank) is a German bank that emerged from the merger of DG Bank AG, Germany's largest cooperative bank, with GZ-Bank.DZ Bank's business includes securities, investments, e-banking, and other services, and it has branches in major financial centers around the world. DZ Bank is ranked 335th in the 2013 Fortune 500 ranking.