IHG
Prefix Solutions Inc
IHG Hotel Development
IHG Mobile
万豪旅享家:酒店预订和礼赏
Marriott International
Wyndham Hotels & Resorts
Wyndham Hotel Group
Choice Hotels
Choice Hotels Mobile
Meliá: Book hotels and resort
Meliá Hotels International
Expedia: Hotels, Flights & Car
Expedia
丽笙酒店集团 – 酒店预订
Radisson Hotel Group
Booking.com: Hotels & Travel
Booking.com Hotels & Vacation Rentals