✔ ING       

✔ Commerzbank

✔ HypoVereinsbank

✔ Deutsche Bank

✔  DSL Bank

✔ Apo-Bank

✔ Hanseatic Bank

✔  CreditPlus Bank AG

✔  Deutsche Kreditbank (DKB)

✔ Hanseatic Bank

✔ Credit Europe Bank N.V.

✔ KfW

✔ Degussa

✔ Alte Leipziger Bauspar AG

✔ Wüstenrot

✔ BHW

✔ DEVK

✔ Bausparkasse Mainz

✔ SchwäbischHall

✔ Allianz Lebensversicherung

✔ Barmenia LV

✔ Ergo AG

✔ Sparkassen

✔ PSD Hessen-Thüringen

✔ Sparkasse Oberhessen

✔ Sparkasse Gießen

✔ Taunus-Sparkasse

✔ Frankfurter Sparkasse

✔ Volksbanken

✔  Raiffeisenbanken

✔ Sparda-Banken

✔ RaiBa Grävenwiesbach

✔ Volksbank Mittelhessen

✔ Frankfurter Volksbank