1. AB Electrolux
2. Carrier Corporation
3. Daikin Industries Ltd.
4. Danfoss AS
5. Emerson Electric Co.
6. Fujitsu Limited
7. GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI
8. Haier Group Corporation
9. Hitachi
Ltd.
10. Honeywell International Inc.
11. HTS
12. Ingersoll-Rand PLC
13. Johnson Controls International PLC
14. Lennox International Inc.
15. LG Corporation
16. Mitsubishi Electric Corporation
17. Nidec Motor Corporation
18. Nortek
19. Red Dot Corporation
20. Robert Bosch GmbH
21. Samsung Electronics Co. Ltd.
22. Siemens AG
23. Trane Technologies PLC
24. United Technologies Corp.
25. Vaillant Group