1. BARTEC GmbH
2. Chromalox Inc.
3. Danfoss A/S
4. Drexan Energy Systems Inc.
5. Drexma Industries Inc.
6. Ebeco AB
7. eltherm GmbH
8. Emerson Electric Co.
9. Galco Industrial Electronics
10. Glas-Col
LLC
11. Heat Trace Products
LLC
12. Ives Equipment Inc.
13. King Electric Company
14. Nexans S.A.
15. NIBE Industrier AB
16. nVent Electric PLC
17. Parker Hannifin Corporation
18. Spirax-Sarco Engineering PLC
19. SST Group
20. Thermon Group Holdings Inc.
21. Urecon Ltd. by GF Piping Systems
22. Warmup PLC
23. Watlow Electric Manufacturing Company
24. Wuhu Jiahong New Materials Co. Ltd.
25. XAREX by E&STEC Co. Ltd.