Michael Knapstein

Flughafen Düsseldorf GmbH operates an international airport. It offers domestic, international and cargo flight transportation services. The airport serves as an airline hub for Air Berlin and Lufthansa airlines. Flughafen Düsseldorf is headquartered in Düsseldorf, Germany.

T-Mobile International AG & Co. KG provides telecommunications services. As strategic business segment of Deutschen Telekom AG for mobile telephony, the company concentrates on mobile telephony markets in Europe and the USA. The company is a partner of the FreeMove alliance, which they founded together with three other european mobile phone providers: Orange, Telefónica Móviles Espana and TIM (Telecom Italia Mobile). The company was founded in 1999 and is headquartered in Bonn, Germany.

adviqo GmbH engages in the provision of information, content management, and consulting services. Its product include in the segments of life coaching, television channels, content and shopping-based online products, and magazine and brochures. The firm's brands include Questico, Fortunica, AstroTV, The Circle, and Noe astro. Its business model provides people with different communication and consumer behavior the opportunity to find the right products and services to match their spiritual needs. The company was founded by Sylvius Bardt and Dieter Lang on April 4, 2000 and is headquartered in Berlin, Germany.