Turkeys second largest mobile phone operator, with 16 million subscribers. Offering smart phones and tablets, internet packages, and a range of services and tarifs. Headquartered at Eski Buyukdere Cad. 251, 34398 Istanbul.
The largest Internet service provider in Turkey with around 6 million subscribers, offering wifi, music streaming, 3G technology, security and internet television. Headquartered at Salih Tozan Sok. 16, Sisli, 34394 Istanbul.