IT & Telecom

Obase

Obase's contact page lists telephone +90 216 527 30 00 and the email info@obase.com.

Netaş

Netaş's contact page lists telephone +90 216 522 20 00 and the email info@netas.com.tr.

Huawei Türkiye

Huawei Türkiye's contact page lists its Ümraniye office in Istanbul and a Çankaya office in Ankara with their telephone numbers.

Logo Yazılım

Logo Yazılım's contact page gives its Gebze address and telephone 0262 679 8000. It also lists branch offices in Istanbul, Ankara and Izmir.

Softtech

Softtech's contact page lists offices in Istanbul, including İTÜ Teknokent in Sarıyer and a site in Tuzla. The contact line is +90 850 290 6000.