1. Abellon CleanEnergy Limited
2. Amandus Kahl GmbH & Co. KG
3. ANDRITZ AG
4. Arrow Ecology & Engineering Overseas (1999) Ltd .
5. Attero
6. AVR-Afvalverwerking B.V.
7. Axpo Holding AG
8. Babcock & Wilcox Enterprises Inc.
9. China Everbright Limited
10. CNIM Group
11. Cortus Energy AB
12. Covanta Holding Corp.
13. Doosan Lentjes GmbH
14. Ebara Corporation
15. EEW Energy from Waste GmbH
16. Electricit? de France
17. Emery Energy Company
18. Ener-Core Inc.
19. Energos AS
20. ENERKEM Inc.
21. Evoqua Water Technologies LLC
22. Flex Energy Solutions
23. Fortum Corporation
24. GCL Technology Holdings Limited
25. Grandblue Environment Co. Ltd.
26. Hitachi Zosen Corporation
27. Intouch Monitoring Limited
28. JFE Engineering Corporation
29. Kawasaki Heavy Industries Ltd.
30. Keppel Corporation Limited
31. Klean Industries Inc
32. LanzaTech Global Inc.
33. MAN Energy Solutions SE
34. MARTIN GmbH f?r Umwelt- und Energietechnik
35. Mitsubishi Heavy Industries
Ltd.
36. Ramboll Group A/S
37. SUEZ SA
38. SUTCO UK Ltd.
39. Tana Oy
40. Terragon Environmental Technologies Inc.
41. Vanguard Renewables
42. Veolia Environnement SA
43. Viridor Limited
44. Waste Management Inc.
45. Wheelabrator Technologies by Norican Group
46. Xcel Energy Inc.
47. Zheneng Jinjiang Environment Holding Company Limited