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.

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.

Novo-Nordisk is a global healthcare company engaged in the innovation of diabetes care. Co. also provides haemophilia care, growth hormone therapy and hormone replacement therapy. The Diabetes care business segment includes research, development, manufacturing and marketing of products within the areas of insulin, GLP-1 and related delivery systems, oral antidiabetic products (OAD) and obesity. The Biopharmaceuticals business segment includes research, development, manufacturing and marketing of products within the areas of haemophilia, growth hormone therapy, hormone replacement therapy, inflammation therapy and other therapy areas.

Remy Cointreau is an operator in the global wines and spirits market. Co. produces, markets and distributes Cognac, Liquors and Spirits and other non-group brand alcoholic beverages. Co.'s primary cognac brand is Remy Martin, produced from Petite Champagne and Grande Champagne eaux-de-vie. Co.'s principal liquor and spirits include the following brands: Cointreau, Passoa, Metaxa, St Remy, and Mount Gay. Co. also operates a distribution network that handles products from partners and third-party companies. Major non-group products distributed by Co. include Scotch Whiskies (Edrington brand), Champagne (Piper-Heidsieck and Charles Heidsieck brands) and Vodka.

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.