Turk Telekom

Turk Telekom is the formerly state-owned Turkish telecommunications company. The Turk Telekom Group companies had 16,8 million PSTN customers, 6 million ADSL customers and 12,1 million GSM customers as of 30 de setembro de 2009. With its network substructure covering the whole country, the group's companies offer a wide range of services to personal and corporate customers.