Raiffeisen - GENOSSENSCHAFTLICHE ZENTRALBANK AKTIENGESELLSCHAFT · The Central Financial Institution of the Agricultural Cooperative System (Raiffeisen) in Austria with its 8 Raiffeisen-Zentralkassen (Main Cooperatives) associated with more than 1750 Raiffeisenkassen (Member Cooperatives) distributed throughout Austria. GENOSSENSCHAFTLICHE ZENTRALBANK AKTIENGESELLSCHAFT, WIEN I, HERRENGASSE 1.