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.

Telefonica is engaged in the provision of public or private telecommunications services, including ancillary or complementary telecommunications services or related services. Co.'s fixed business includes: traditional fixed telecommunication services, Internet and broadband multimedia services, data and business-aplications services, and wholesale services for telecommunication operators. Co. also provides a range of mobile and related services and products to consumer and business customers, including mobile voice services, value added services, mobile data and Internet services, wholesale services, corporate services, roaming, fixed wireless, and, trunking and paging.

Telenor is a holding company. Through its subsidiaries, Co. operates as a telecommunication company. Co. provides mobile communication, fixed line communication, and broadcasting activities. Co.'s mobile communication business includes voice, data, Internet, content services, customer equipment and messaging. Fixed service comprise telephony, Internet and television (TV), leased lines as well as data services and managed services. Broadcast comprises Canal Digital DTH in the Nordics, satellite broadcasting, terrestrial radio and TV transmission in Norway and Belgium and encryption related services for TV distribution.

Telia Company provides telecommunication services in the Nordic and Baltic countries, the markets of Eurasia, including Russia, Turkey and Spain. Co. has three business segments: Mobility Services, which comprises operations in Sweden, Finland, Norway, Denmark, Lithuania, Latvia, Estonia and Spain; Broadband Services, which comprises operations in Sweden, Finland, Denmark, Lithuania, Latvia (49.0%), Estonia and international carrier operations; and Eurasia, which comprises mobile operations in Kazakhstan, Azerbaijan, Uzbekistan, Tajikistan, Georgia, Moldova and Nepal. The business area also includes Co.'s shareholdings in OAO MegaFon, Russia and Turkcell Iletisim Hizmetleri A.S., Turkey.