Manfred Kaiser

Stadtwerke Duisburg AG provides utility services and is ultimately controlled by the City of Duisburg. The company is based in Duisburg, Germany. The German company was founded in 1854. Marcus O. Wittig has been the CEO of the company since 2012.

Sparkasse Duisburg operates as a savings bank. The private company is based in Duisburg, Germany. The CEO of the German company is Joachim K. Bonn.

Duisburger Hafen AG provides port and infrastructure management and development services. It offers property management, surveying, engineering, design and construction, environmental, licensing and approval functions. The company was founded on September 30, 1926 and is headquartered in Duisburg, Germany.

Duisburger Verkehrsgesellschaft AG is a transportation company based in Duisburg, DE. Duisburger Verkehrsgesellschaft is a subsidiary of the City of Duisburg and is ultimately controlled by them. The German company provides transportation services to over 165,000 passengers daily within and beyond the city limits. The company's main services include SchokoTicket and KombiTicket, and it has various ticket sales outlets and a customer center. The CEO of the company is Marcus O. Wittig.

Part of Duisburger Hafen AG, Dfl Duisport Facility Logistics GmbH provides logistics services. The company is based in Duisburg, Germany. The CEO of the German company is Erich Staake.

Duisburger Versorgungs- und Verkehrsgesellschaft mbH is a company based in Duisburg, Germany. The company is a subsidiary of another entity, which is ultimately controlled by the City of Duisburg. The company was founded in 1970, and the CEO is Marcus O. Wittig.

Ruhr Tourismus GmbH is a private company based in Oberhausen, DE that provides information about travel to the Ruhrgebiet region. The Ruhrgebiet region is also referred to as the Revier and is located in western Germany. The German company's description emphasizes the various modes of transportation available to travelers, including trains, planes, and bicycles. The company also provides information about its team, projects, job opportunities, and more. The company was founded in 1998 and is led by CEOs Thorsten Kröger and Axel Biermann.

Gemeinnützige Gesellschaft für Beschäftigungsförderung mbH is a German company founded in 1998 and headquartered in Duisburg, Germany. The company has subsidiaries in Germany. The private company provides employment placement agency and education services. The CEO is Uwe Linsen.

Part of Wirtschaftsbetriebe Duisburg - Anstalt des öffentlichen Rechts, Kreislaufwirtschaft Duisburg GmbH engages in the recovery of sorted materials. The company is based in Duisburg, Germany. The CEOs of the German company are Ingo Wiele, Marcus Bluhm.