Frank Rosenberger

TUI Group AG specializes in tourism services. It provides booking services for flights, accommodation in the Group’s own hotels and customer care by the group’s own tour guides. The company is headquartered in Hannover, Germany.

Peakwork AG develops software products for travel industry. It offers DRV GlobalTypes, It enables all individual attributes relating to a hotel to be tagged using a DRV unique code and therefore unifying all attributes regardless of the supplier to a single standard. The company was founded in 2009 and is headquartered in Dusseldorf, Germany.

TUI Deutschland GmbH is an operator of travel agencies in Germany. It offers travel, tours and hotel bookings, and car rental options. The company was founded on the 30th of September 1999 and is headquartered in Hannover, Germany, with branches within the country.

Vodafone GmbH provides telecommunications services. The company offers wireless services including mobile Internet access and access to the Vodafone live! mobile portal service. It has operations in German cities and markets its products and services through branch retail locations through out the country. Vodafone was founded in 1989 and is headquartered in Dusseldorf, Germany.

Arcor AG & Co. KG provides telecommunications services. It develops and supplies integrated circuits and system software for wireless voice and data communications, multimedia functions and global positioning. The firm offers internet security, information, network connectivity and interoperability, content and application and billing and payment services. The company was founded in 1998 and is headquartered in Eschborn, Germany.