Dieter Kempf

DATEV eG engages in the development of business software solutions. It also provides information technology services for tax consultants, accountants, and lawyers. The company was founded on February 14, 1966 and is headquartered in Nuremberg, Germany.

BITKOM Bundesverband Informationswirtschaft-Telekommunikation operates as a business association. The company is based in Berlin-Mitte, Germany and has subsidiaries in Germany.

GfK SE engages in the provision of market research services. Its solutions include consumer insights, consumer panels, distribution and supply chain management, geomarketing, in-store intelligence, media measurement, online pricing intelligence, point of sales analytics, point of sales tracking, printed advertising tracking, product catalogs, shopper, and trends and forecasting. The company was founded in 1984 and is headquartered in Nuremberg, Germany.

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.

Ernst & Young GmbH provides financial advice services. It offers advisory, assurance, tax, growth markets, transactions, tax and specialty services. The firm serves to the automotive, transportation, consumer products, retail, oil, gas, mining, metals, power, utilities, technology and real estate industries. The company is headquartered in Stuttgart, Germany.