José Fernando de Almansa Moreno-Barreda

Telefónica de Argentina SA is a telecommunications. It is engaged in offering telephone-related services such as PCS, basic telephone service, local telephony, domestic long-distance, domestic long-distance, international long-distance, public telephone, internet access, data transmission service, value-added service and cellular services. The company was founded on April 23, 1990 and is headquartered in Buenos Aires, Argentina.

Telefonica Moviles Espana SA provides mobile communication services. It operates under the trade name Movistar, offering a range of wireless services, including international roaming, and wireless Internet and data communication. The company has alliances with T-Mobile International, Telecom Italia Mobile, and Orange SA. Telefonica Moviles Espana was founded on February 14, 2000 and is headquartered in Madrid, Spain.

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

Medi Telecom SA engages in the provision of wireless telecommunications services. The company was founded in 1999 and is headquartered in Casablanca, Morocco.

Part of Telefónica SA, Telefónica Móviles México SA is a telecommunications company based in Mexico City, Mexico. Telefónica Móviles México SA is committed to providing secure and cutting-edge technology for communication between individuals and businesses. The Mexican company values transformation and creating value for employees, customers, shareholders, and partners. The private company's Center for Privacy is a fundamental pillar of responsibility in their data economy strategy. The company was founded in 1924. The CEO is Ángel Vilá. Telefónica Móviles México SA was acquired by Telefónica Móviles España SA on December 21, 2005 for $210.43 million.