1. Aeroflot
2. Air Canada
3. Air Charters Europe NV
4. Air France–KLM S.A.
5. Air India
6. AirAsia Group Berhad
7. AIRCALIN
8. Amadeus IT Group SA
9. American Airlines Group Inc.
10. Caravelo
11. Delta Air Lines Inc.
12. Deutsche Lufthansa AG
13. EasyJet PLC
14. ECS Group
15. Etihad Airways
16. IdeaWorksCompany
17. Japan Airlines
18. Jettly Inc.
19. KLM Royal Dutch Airlines
20. Qatar Airways
21. Ryanair DAC
22. Southwest Airlines Co.
23. The Cain Travel Group of Boulder Inc.
24. The Emirates Group
25. United Airlines Holdings Inc.