Thomas Berlemann

Comptel Oyj engages in the provision of telecom software and services in convergent mediation and charging, predictive analytics and service fulfillment. The company was founded in 1986 and is headquartered in Helsinki, Finland.

Otto GmbH & Co. KG engages in the retail trading business and the provision of financial and retail-related services. It operates through the following segments: Multichannel Retail, Financial Services, and Services. The Multichannel Retail segment offers products through the channels of e-commerce, catalogue business, and over-the counter retail. The Financial Services segment specializes in receivables and liquidity management, as well as innovative financial services. The Services segment focuses on logistics and sourcing, procurement, quality testing, transport, warehousing, and delivery services. The company was founded by Werner Otto on August 17, 1949 and is headquartered in Hamburg, Germany.

Mannesmann Corp. manufactures overhead traveling cranes, hoists, and monorail systems. It products include monorail, dies, tools, and jigs. The company was founded in 2001 and is headquartered in New York, NY

B2X Care Solutions GmbH offers end-to-end customer care solutions in the telecommunications, information technology and consumer electronics industries. It offers network optimization, quality management, mystery shopping, contracting and sourcing, customs and duties management, planning and forecasting, and content management services. The company was founded by Karim Barkawi in 2007 and is headquartered in Munich, Germany.

Telekom Deutschland GmbH provides mobile communication services. It offers fixed network telephony, broadband Internet, mobile voice and data, and IPTV products and services. The firm's technologies for mobile data transmission include GPRS, EDGE, W-LAN, UMTS, and HSDPA. The company was founded in 1993 and is headquartered in Bonn, Germany.

T-Mobile Netherlands Holding BV operates as a holding company with activities in the telecommunication sector. The company is headquartered in The Hague, the Netherlands.