1. Alstom SA
2. Babcock & Wilcox Enterprises Inc.
3. Ceco Environmental Corp.
4. Ducon Technologies Inc.
5. Foster Wheeler AG
6. Fuel Tech Inc.
7. Fujian Longking Co. Ltd.
8. General Electric Company
9. Honeywell International Inc.
10. John Cockerill S.A.
11. KBR Inc.
12. Mitsubishi Power
Ltd.
13. Shell PLC
14. Siemens AG
15. Thermax Ltd.