Norbert Metzner

EnOcean GmbH develops and provides patented self-powered wireless technology. It manufactures and markets maintenance-free wireless sensor solutions for use in buildings and industrial installations. The firm's solutions are based on miniaturized energy converters, ultra-low-power electronic circuitry, and reliable wireless. Its products include accessories, software and firmware. The company was founded by Andreas Schneider and Frank Schmidt in 2001 and is headquartered in Oberhaching, 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.

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.