Drillisch is a holding company. Co. through its subsidiaries, is a mobile virtual network operator in Germany. The services acquired from the network operators Telekom Deutschland GmbH, Vodafone D2 GmbH, E-Plus Mobilfunk GmbH and Telefonica O2 Germany GmbH & Co. OHG are sold further to the end consumers for Co.'s own account and at rates established by Co. Co. organizes its operations into three segments: telecommunications, which includes its activities in the sector of wireless services; freenet holding, which comprises the operations of its freenet AG subsidiary; and software services, which involves activities related to the development and marketing of a workflow management software.

Akka Technologies is an engineering and technology consultancy company. Co. bases its service around two areas which enable it to cover the full life cycle of a product: information and systems technology and engineering. Co.'s activities can be divided into six areas: Mechanical Engineering, Process Engineering, Document Engineering, Industrial Information Technology and Embedded Systems, Information Systems and Consulting. Co. operates mainly in France, Belgium and Germany. Co also operates in Italy, Romania, Switzerland, Spain, England and Canada.

Alten is a holding company. Through its subsidiaries, Co. operates in three areas: Engineering and Technology Consulting (ETC), Telecoms Networks and Multimedia, and Information Systems (NTIS). Through the Engineering and Technology Consulting (ETC) segment, Co. studies and designs technology products for technical divisions in industry and telecoms. The Telecoms Networks and Multimedia segment focuses on Product design, Architecture, deployment, and operation of networks. Lastly, the IT systems segment comprises Applications and software development, and Infrastructure and Telecoms (Applications, systems and networks Corporate telecommunications).

Altran Technologies is a global player in the advanced engineering and innovation consultancy market, operating in more than 20 countries, particularly in Europe, Asia and North America. Co. advises and accompanies clients in creating and developing new products and services, intervening during the strategic planning stages of new technologies and offering products support and services throughout all developmental phases. Co. offers its consulting services as technical backing, project support and end-to-end services, providing deliveries of customized products. Co. operates in two segments: Innovation and Advanced Engineering Consulting and Organization and Information Systems Consulting.

Assystem SA is a France-based company that is principally engaged in engineering and innovation consultancy. The Company offers solutions within a number of sectors, such as Aerospace, Defence, Energy, Nuclear, Life Sciences, Infrastructure, Automotive and Transport. The Company develops the infrastructural engineering and externalized R&D services. It's activities include managing infrastructural investments, from conception to dismantling; aerospace mechanical engineering, providing technical services to aerospace, engine and automotive manufacturers and technology & product engineering, providing services in transport, defense, product hardware and software development. The Company is present Europe, North America and Asia. The main shareholder of the Company is HDL Developpement SAS. It operates through Onyx Promavi, Batir Group, Edison Technical Recruitment Ltd, Radicon Gulf Consult, Engineering Partner Automotive Nordic AB and The Biotech Quality Group, among others.

Deutsche Telekom is engaged in the telecommunications services and information technology sectors. Co. operates as an integrated telecommunications provider. It is organized into four operating segments: Germany, Europe, and the United States; and Systems Solutions, as well as Group Headquarters and Shared Services. Co. provides fixed-network lines, broadband lines and mobile communications. Co. also provides customized Information and Communication Technology (ICT) solutions for corporate customers under the T-Systems brand. The Group Headquarters and Shared Services segment comprises cross-segment management functions, real estate services, and mobility solutions, among others.

Freenet is a telecommunications provider in Germany. Co. provides its customers a portfolio of services and products, particularly in the field of mobile voice and data services. Co. does not operate its own network, but markets mobile communication services for the mobile network operators Telekom, Vodafone, E-Plus and O2 in Germany, under its own name and on its own account. Apart from its own network-independent postpaid, no-frills and prepaid services, Co. also provides the original network operators' tariffs. Co. operates within two segments: mobile communications and other/holding.

Getlink SE, formerly known as Groupe Eurotunnel SE, is a France-based company, which brings together a group of companies active in the fields of infrastructure management and transport operations. Its various entities share the attention to quality and customer service, with priority given to safety. The Company manages and operates the Channel Tunnel between the United Kingdom and France and its railway infrastructure. The Company is also engaged in the passenger and freight transport between continental Europe and the United Kingdom. In addition, it provides ferry transport through the Channel. Getlink SE has direct and indirect stakes in a number of companies, including The Channel Tunnel Group Limited, France Manche SA and Europorte SAS, among others.

SGS is engaged in the provision of inspection, verification, testing, certification and quality assurance services. Co.'s business lines include: Agricultural; Minerals; Oil, Gas & Chemicals; Life Science; Consumer Testing; Systems & Services Certification; Industrial; Environmental; Automotive; and Governments & Institutions. As of Dec 31 2014, Co.'s geographic operations were organized as follows: Europe, Africa, Middle East (Western Europe, Northern and Central Europe, Southern Central Europe, Eastern Europe & Middle East, and Africa); Americas (North America, and South America); and Asia Pacific (East Asia, China & Hong Kong, and South Eastern Asia & Pacific).

Telecom Italia is a telecommunications group based in Italy. Co. is engaged in the communications sector and, particularly, the fixed and mobile national and international telecommunications sector, the television sector and the office products sector. Co. operates mainly in Europe, South America and the Mediterranean Basin. Co.'s operations are organized along two operating segments: Domestic - Italy (providing telephone and data services on fixed-line and mobile networks for final customers (retail) and other operators (wholesale)); and Brazil (operates in the mobile phone, fixed telephony, in long-distance and data transmission markets in Brazil).

Telefonica Deutschland Holding is a telecommunication company. Co. offers its consumer retail and business customers postpaid and prepaid wireless communications products, along with wireless data services using Global Packet Radio Service, Universal Mobile Telecommunications System and Long Term Evolution technology as well as Digital Subscriber Line wireline telephony and high-speed internet services. Co. markets its products and its wireless and wireline communications products as well as services via the core brand O2. Co.'s secondary brands include the brands Fonic and netzclub. Co. also markets high-speed DSL internet access and wireline telephony.

United Internet AG is a Germany-based Internet service provider (ISP) and holding company of the United Internet Group. The Company's products and technical services are divided into two key segments. The Access segment comprises narrowband, broadband and mobile access subscriptions, including the corresponding applications. The Applications segment includes such applications as home pages, e-shops, Personal Information Management applications, group work, online storage and office software. The Application segment also includes the operations of the Company's brands Sedo and affilinet, which serve customers performance-based advertising and sales possibilities. The Company's brand portfolio also includes GMX, WEB.DE, 1&1, united-domains, Fasthosts and InterNetX. In addition, the Company develops Internet based applications, such as cloud applications. The Company acts primarily via its wholly owned subsidiary 1&1 Internet AG, and Sedo Holding AG, in which it holds a majority stake.

Vodafone Group provides mobile and fixed telecommunication services including: access charges, voice and video calls, messaging, interconnect fees, fixed and mobile broadband and related services such as providing televisual and music content, connection fees and equipment sales. Co. provides a range of consumer products and services including mobile, fixed voice, broadband and television, financial as well as other services to operators outside its footprint. Co. also provides a range of enterprise products and services including total communications such as mobile, fixed and a suite of converged communications services, internet of things, cloud and hosting and carrier services.