Andreas Hartnigk

Rheinbahn AG provides passenger transportation services. Its services include comfort, guarantee, tickets and flexibility services. The company operates as subsidiary of Düsseldorfer Stadtwerke Gesellschaft für Beteiligungen mbH. The company is located in Dusseldorf, 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.

Stadtsparkasse Düsseldorf provides banking and financial services. It offers services such as current account, credit cards, Internet banking, and electronic cash to the business clients. It provides services for private clients include savings deposits, overdraft facilities, installment loans, and housing finance. The company was founded in 1825 and is headquartered in Düsseldorf, Germany.

Part of Stadt Duesseldorf Oeffentliche Verwaltung, IPM Immobilien Projekt Management Düsseldorf GmbH is a German real estate company founded in 2009. The company is based in Dusseldorf, Germany. The CEOs are Manfred Kornfeld and Heinrich Labbert. IPM Immobilien Projekt Management Düsseldorf GmbH engages in the arrangement and management of land, buildings, and apartments.