NH Hoteles
Flyin
Holidu GmbH
trivago
Ctrip.com International
Intertech Services AG
Booking.com Hotels & Vacat
KAYAK.com
TripAdvisor
Meliá Hotels International
Barceló Hotel Group
Iberostar Hoteles y Apartamentos, S.L.
JETCOST
agoda.com
Hostelworld.com
Accor All
Expedia
eDreams Mobile
AirAsia Berhad
Jet2.com Ltd