Five Star Istanbul Hotels
 Ciragan Kempinski Hotel - Swissotel Istanbul - Hyatt Regencgy Hotel- Ceylan Inter-Continental Hotel - The Marmara Hotel Istanbul
 Conrad Hotel Istanbul - Polat Renaissance Hotel - Holiday Inn Crown Plaza Hotel - Radisson SAS Hotel - Merit Antique Hotel Istanbul
 Four Star Istanbul Hotels
 Lares Park Hotel - Elite Hotel - Europlaza Hotel - Taksim Gonen Hotel - Aygun Plaza Hotel - Crystal Hotel - Golden Age-1 Hotel
 Lion Hotel - The Madison Hotel - Taksim Select Hotel - Arcadia Hotel - Yasmak Sultan Hotel - Prince Hotel - Yigitalp Hotel - Senator Hotel    
 Adela Hotel - Accura Hotel - Armada Hotel
 Three Star Istanbul Hotels
 Golden Age-2 Hotel - Feronya Hotel - Sogut Hotel - Grand Yavuz Hotel - Ferhat Hotel - Sunlight Hotel - Antea Hotel
 Special Class Istanbul Hotels ( Old City Hotels )
 Amber Hotel - Yesilev Hotel - Uyan Hotel - Sultanahmet Palace Hotel - Blue House Hotel - Sokullu Pasa Hotel - Alzer Hotel - Amisos Hotel  
 Dersaadet Hotel - Nena Hotel - Fehmibey Hotel - Petrol Hotel - Erguvan Hotel - Spina Hotel - - Acropol Hotel - Avicenna Hotel