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