Jürgen R. Thumann

Deutsche Messe AG engages in the organization and operations of trade shows, exhibitions, and business fairs. It offers lead generation services that focuses on B2B customer acquisition services; analysis; conceptual design; planning and implementation; location research services for various events; promoters and web based event software; and guest management services. The company was founded in 1947 and is headquartered in Hannover, Germany.

Part of Hansemerkur Krankenversicherung Auf Gegenseitigkeit, HanseMerkur Holding AG is a German company that provides insurance for travel, health, retirement, and more. The company is based in Hamburg, Germany. The company also provides expert advice on health-related matters and offer special benefits to DAK members. Founded in 1990, HanseMerkur offers services such as dental protection and assistance in changing personal information.

Hansemerkur Krankenversicherung Auf Gegenseitigkeit is a German insurance company that offers a wide range of insurance products, including health, travel, property, and liability insurance. The private company provides insurance coverage for individuals, families, and businesses, with options for additional coverage such as dental, vision, and legal protection. The company also offers services such as change of address and online doctor consultations. The company was founded in 1969 and is headquartered in Hamburg, Germany, with subsidiaries in Germany and Liechtenstein. The CEO is Eberhard Sautter.

HEITKAMP BauHolding GmbH is a holding German company that specializes in industrial and commercial building construction services. The private company is based in Herne, Germany.

Heitkamp & Thumann KG manufactures metal components. It offers cylindrical and prismatic cans, battery covers, flat parts, and sub-assemblies and components for emission-reducing hybrid automobile batteries, as well as cans for alkaline batteries. The company was founded in 1978 and is headquartered in Dusseldorf, Germany.

Part of Hansemerkur Krankenversicherung Auf Gegenseitigkeit, Hansemerkur Allgemeine Versicherungs AG provides life, health, and property insurance services. The company is based in Hamburg, Germany. The German company was founded in 1875. The CEO is Eberhard Sautter.