1. AmbiRad Limited
2. Arada Limited
3. BEKO TECHNOLOGIES GMBH
4. Daikin Industries
Ltd.
5. Danfoss A/S
6. Dantherm Group A/S
7. ELMESS-Thermosystemtechnik GmbH & Co.KG
8. Flexiheat UK Ltd.
9. Haier Group
10. Heatrod Elements Limited
11. Hitachi
Ltd.
12. Honeywell International Inc.
13. JOHNSON & STARLEY
14. Johnson Controls Inc.
15. Kanthal AB
16. Mark Climate Technology
17. Mitsubishi Electric Corporation
18. Powrmatic Ltd.
19. Sterling Thermal Technology
20. THEETA
21. THERMO AIR SYSTEMS
22. Winterwarm B.V.
23. Winterwarm Heating Solutions B.V.