The Liebherr Group is a German manufacturer establishe in 1949 by Hans Liebherr, headquartered in Biberach an der Riss, Baden-Württemberg. The Liebherr Group's holding company is Liebherr-International AG in Bulle, Switzerland, which is entirely owned by members of the Liebherr family. Current-generation family ownership is held by Willi and Isolde Liebherr, listed among the billionaires of 2005.