1. ABB Ltd.
2. ACL Manufacturing Inc. by Clear Rush Co.
3. Alfa Laval AB
4. AMETEK.Inc.
5. Applied Control Engineering Inc.
6. Clear Rush Co.
7. Combustion Control Inc
8. Combustion Controls Solutions & Environmental Services Inc.
9. ComEnCo Systems Inc.
10. Corbett Industries Inc.
11. DURAG GROUP
12. Emerson Electric Company
13. Faber Burner Company
14. Fives S.A.S.
15. Honeywell International Inc.
16. Indeck Power Equipment Company
17. Industrial Combustion
Inc
18. Mitsubishi Heavy Industries
Ltd
19. NAO Inc.
20. NOREC Automation
21. Rockwell Automation Inc.
22. Siemens AG
23. Sigma Thermal
24. Stanyan Hill Controls LLC
25. Thermal Global
26. Yokogawa Electric Corporation