Harald Stöber

Part of Rohde & Schwarz GmbH & Co. KG, Sirrix AG provides enterprise security solutions for businesses and government authorities. The company is based in Saarbrücken, Germany. Sirrix was acquired by Rohde & Schwarz GmbH & Co. KG on May 06, 2015.

Part of Perseus SA (Luxembourg), Medfort SARL is a Luxembourger company that provides investment services. The company is based in Luxembourg, Luxembourg.

Perseus SA (Luxembourg) is an investment holding private company based in Luxembourg, Luxembourg. and has subsidiaries in Luxembourg. The Luxembourger company's main focus is on holding investments in other companies.

Vodafone Holding GmbH provides mobile telecommunications services such as voice and data communications. It operates a digital network based on the GSM standard. The company is headquartered in Dusseldorf, 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.

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.