Alfonso Ferrari Herrero

Telefónica Internacional operates as a holding company with interests in the telecommunications industry. The firm is based in Madrid.

Telefónica Móviles Chile SA provides mobile telecommunications services. It offers voice and data telecommunication services through mobile telephony, data transmission, broadband internet, and enterprise applications. The company was founded in 1871 and is headquartered Santiago, Chile.

The Group's principal activity is providing telecommunication and other related services throughout Chile. These services include: local telephone service, domestic and international long distance service, public and mobile telephone service, terminal equipment sales and leasing, data transmission, dedicated links, interconnection services, value-added services including the sale of telephone numbers such as '700' numbers for toll calls-to providers, Internet access, home security services and home assistance through monitoring and alarm systems using the telephone line, and broadband services for massive use with Asymmetric Digital Subscriber Line or ADSL technology. The company also provides digital/satellite TV subscriptions and packages that include channels for movies, children's programs, sports, series, cultural, local and international programs, and pay per view.

Hidroeléctrica del Cantábrico SA generates, transmits, and distributes electricity. It operates hydroelectric plants, coal-fired plants, combined cycle plants, and nuclear plants. Its service area includes the provinces of Asturias, Navarra, and Guadalajara. The company was founded on January 1, 1920 and is headquartered in Oviedo, Spain.