1. AMEC FOSTER WHEELER (ACQUIRE BY WOOD GROUP)
2. AUSTRIAN ENERGY & ENVIRONMENT GROUP
3. BABCOCK & WILCOX ENTERPRISES INC.
4. BTA INTERNATIONAL GMBH
5. C&G ENVIRONMENTAL PROTECTION HOLDINGS LIMITED
6. CHINA EVERBRIGHT INTERNATIONAL LTD.
7. COVANTA ENERGY
8. HITACHI ZOSEN INNOVA AG
9. KEPPEL SEGHERS
10. MARTIN GMBH
11. MHI INDUSTRIAL ENGINEERING & SERVICES PRIVATE LTD. (MIES)
12. ORSTED
13. PLASCO CONVERSION TECHNOLOGIES INC.
14. SAKO BRNO A.S.
15. SUEZ ENVIRONMENT
16. VEOLIA ENVIRONMENT S.A.
17. WASTE MANAGEMENT INC.
18. WHEELABRATOR TECHNOLOGIES INC.
19. XCEL ENERGY
20. ZE-GEN INC.