IKK Hamburg
The IKK Hamburg , based in Hamburg , a corporation under public law , was a German guild health insurance fund and a statutory health insurance provider .
It was founded in 1885 by Hamburg craftsmen. The IKK Hamburg was last open nationwide.
On January 1, 2010, it merged with the IKK Baden-Württemberg and Hesse , IKK Saxony and IKK Thuringia to form the IKK classic .