3U Holding AG operates in the Telephone communications, exc. radio sector. 3U Holding AG, formerly 3U Telecom AG, is a Germany-based company engaged in the telecommunications industry. It provides telecommunication services for two business segments, the fixed-line telephony segment, focusing on the call-by-call and wholesale business and broadband/Internet protocol services segment, with a focus on the sales of virtual private network and carrier services to business customers and carriers. The Company operates in three customer segments with LambdaNet Communications Deutschland AG: Network operators, including providers of mobile and fixed-line-based voice services, and local, national as well as international rental line providers; Internet service providers; and business customers. For both its national and international communications, the Company uses fiber optic networks. The Company operates through its subsidiaries in Austria, Germany and the Czech Republic. In our complete report available for purchase the company is compared to: Ecotel Communication AG, Net Mobile AG and Eteleon E-Solutions Ag.