1. BABCOCK & WILCOX ENTERPRISES Inc.
2. MUTARES AG
3. ELEX AG
4. FLSMIDTH & CO. A/S
5. ZHEJIANG FEIDA ENVIRONMENTAL SCIENCE & TECHNOLOGY CO. LTD.
6. KC COTTRELL CO. LTD
7. S.A. HAMON
8. BELTRAN TECHNOLOGIES INC.
9. JOHN WOOD GROUP PLC
10. SOUTHERN ERECTORS Inc.
11. MITSUBISHI HITACHI POWER SYSTEMS
LTD.
12. FUJIAN LONGKING CO. LTD.
13. SIEMENS AG
14. THERMAX GLOBAL