Helga Leibauer

Wohnungsgenossenschaft Düsseldorf-Ost eG (WOGEDO) is a housing cooperative based in Dusseldorf, Germany that was founded in 1942. The German company focuses on providing attractive and modern housing options to its members, with around 4,500 apartments available for rent in Düsseldorf and Erkrath. The private company prides itself on offering a stable dividend and reliable service to its members. In addition to its housing services, WOGEDO provides information and tips on dealing with rising energy costs and developments in energy markets and politics.

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.

Dusseldorf Congress GmbH is a company based in Dusseldorf, DE and is part of Messe Dusseldorf GmbH. Dusseldorf is known for being one of the top ten most livable cities in the world and an important hub for international business. The German company provides a variety of individually usable spaces in the CCD Congress Center and exhibition halls on the exhibition grounds. The company's services include hosting congresses, conferences, company presentations, and other events with up to 100,000 visitors. The CEO of the company is Maria Kofidou.