BT is a communications services company, delivering products and services with industry-specific communications solutions and consulting expertise. Co.'s principal activities include: networked IT services; local, national and international telecommunications services; broadband and internet products and services; and converged fixed/mobile products and services. Co. operates five lines of businesses: BT Global Services, BT Business, BT Consumer, BT Wholesale and Openreach, providing services to around 6,500 large corporate and public sector customers, in more than 170 countries worldwide.

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).

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.