Klaus-Werner Beyer

Düsseldorfer Wohnungsgenossenschaft eG operates as a housing cooperative. The firm constructs residential apartments, rental apartments, and condominiums. The company was founded on May 6, 1898 and is headquartered in Dusseldorf, Germany.

Predac Immobilien Management AG was founded in 1992 and manages land, buildings, and apartments. The private company is based in Kronberg im Taunus, Germany.

Holding der Landeshauptstadt Düsseldorf GmbH is a German company that provides services related to heating, hydraulics optimization, lighting management, and cost-saving solutions for businesses. The company is based in Dusseldorf, Germany. The CEOs of the company are Burkhard Hintzsche and Christian van Beeck. It was founded in 2002 and is ultimately controlled by the City of Düsseldorf.