-TURKISH TELECOM INC.
-BANKS
-TRADER MEDIA INSTITUTIONS
-IT COMPANIES
- MUNICIPALITIES
-Tutors
-UNIVERSITIES
-FACTORIES
-FINANCIAL INSTITUTIONS
-HOLDING
-PUBLIC INSTITUTIONS
-HOSPITALS
-SCHOOLS
-Televisions
-GSM operators
-INSURANCE COMPANIES
NOTE: The names of the Authority will be given upon request from our company.