1. Carrier Global Corporation
2. Daikin Industries Ltd
3. Denso Corporation
4. Fujitsu General Limited
5. Hitachi Ltd.
6. Honeywell International Inc.
7. Keihin Corporation
8. Lennox International Inc.
9. MAHLE GmbH
10. Mitsubishi Electric Corporation
11. Nortek Holdings Inc
12. Panasonic Corporation
13. Parker Davis Hvac International Inc.
14. Samsung Electronics Co. Ltd
15. Sanden Holdings Corporation
16. Subros Limited
17. Trane Technologies Plc
18. Watsco Inc