Turk Telekomunikasyon A.S. 

Türk Telekomünikasyon Anonim Sirketi, along with its various subsidiaries, delivers a comprehensive array of integrated telecommunications services across Turkey. The company's operations are segmented into Fixed Line and Mobile divisions. Under the unified Türk Telekom brand, it provides mobile communications, internet connectivity, traditional phone services, and television offerings. Beyond these core services, Türk Telekom offers public switched telephone network (PSTN) and wholesale broadband infrastructure, retail internet access, and a variety of TV platforms including IPTV, satellite TV, Web TV, mobile TV, and smart TV. Its portfolio also extends to IT solutions, convergence technologies, and online educational software. The company is involved in project development, corporate venture capital, and the provision of wholesale data and capacity services. Further offerings include TV broadcasting and video-on-demand (VOD), sales of telecommunications devices, payment and e-money solutions, web portal and computer programming services, call center operations, electricity supply and sales, facilities support, and counseling services. By December 31, 2021, Türk Telekom had established a significant presence in 81 cities, serving 16.9 million fixed access lines, 14.3 million broadband subscribers, 2.9 million TV customers, and 24.0 million mobile users. Founded in 1840, the company's headquarters are located in Ankara, Turkey, and it operates as a subsidiary of LYY Telekomünikasyon A.S.