1. AALBORG ENERGIE TECHNIK A/S
2. AFS ENERGY SYSTEMS
3. ALSTOM SA
4. ANDRITZ AG
5. BABCOCK POWER INC.
6. CLYDE BERGEMANN POWER GROUP INC.
7. CONSTRUCTIONS INDUSTRIELLES DE LA
8. ECOVISION SYSTEMS LIMITED
9. ENGLISH BOILER AND TUBE INC. (ACQUIRED BY SUPERIOR BOILER)
10. ESI SCOTLAND
11. ETA HEIZTECHNIK GMBH
12. FSE ENERGY INC.
13. HURST BOILER & WELDING CO. INC.
14. OUTOTEC OYJ