Hans-Henning Doerr

Vodafone information systems GmbH specializes in engineering, automotive, telecommunications. The information technology arm of the company provides customers both inside and outside the organisation with a range of services including CAD, FEM and CFD consulting and analysis. Founded in 1971, the company is headquartered in Ratingen, Germany

VR Equitypartner GmbH (VREP) is a private equity subsidiary of DZ Bank AG founded in 1970. The firm is headquartered in Bavaria, Germany.

AOL Deutschland Medien GmbH provides broadband and other online services. It engages in the video and online commerce, media, communications and entertainment services. It also provides search and interactive marketing and advertising services. The company was founded in 1995 and is headquartered in Hamburg, Germany.

E-PCPM GmbH & Co. KG provides wireless telecommunications services. It offers mobile voice and data services, including phone, email, multimedia, prepaid calling cards, and Internet access. The company was founded in 1993 and is headquartered in Dusseldorf, Germany.

Gigaset Communications GmbH designs, develops, manufactures and distributes home telephone systems. Its products include cordless phones, corded phones, NextG Internet, fixed-network phones, voice over IP devices, software solutions and home media products. The company was founded on October 1, 2008 and is headquartered in Dusseldorf, Germany.

Part of Gigaset AG, Gigaset elements GmbH is a German company that manufactures telephone apparatus. The company is based in Bocholt, Germany. The CEO of the company is Klaus Weßing.

Admetos GmbH provides investment services. The company is headquartered in Munich, Germany.