Certificated
THE ARTISAN İSTANBUL MGALLERY
THE BODRUM EDITION
THE PARMA HOTEL TAKSİM (GRAND PARMA)
THE PEAK HOTEL
TİLİA HOTEL
TITANIC CITY HOTEL
TOPKAPI INTER ISTANBUL HOTEL
WOW İSTANBUL HOTEL AIRPORT
YAŞMAK SULTAN HOTEL
YİĞİTALP OTEL
ZURICH HOTEL