wikipedia:Tripadvisor
Hotels, Hilton, Marriott International (W Hotels, Sheraton, AC Hotels, Ritz-Carlton), Wyndham Destinations, Check in, Intercontinental, TUI Group, Four seasons, Dusit International, Radisson Hotels, Kempinski, Booking, Vincci, Hyatt, Aman resorts, Rixos, Accor, Conrad