1. IQAir
2. Koninklijke Philips N.V.
3. Honeywell International Inc.
4. Camfil AB
5. COWAY Co. LTD.
6. Sharp Corporation
7. Blueair AB
8. Whirlpool Corporation
9. Panasonic Corporation
10. Samsung Electronics Co. Ltd.
11. LG Electronics Inc.
12. Austin Air Systems Ltd.
13. WINIX Inc.
14. Jarden Consumer Solutions (Europe) Limited
15. AllerAir Industries
16. Alen Corporation
17. Eureka Forbes Ltd
18. Rabbit Air
19. Beijing YADU Science & Technology Co. Ltd.
20. Daikin Industries
Ltd.