1. Ameresco Inc.
2. Archer-Daniels-Midland Company
3. Babcock & Wilcox Enterprises Inc.
4. BASF SE
5. Biomass Technology Group
6. Enerkem Inc.
7. EnviTec Biogas AG
8. Fortum Corporation
9. Green Plains Inc.
10. Hitachi Zosen Corporation
11. Mitsubishi Heavy Industries
Ltd.
12. MVV Energie AG
13. Shell PLC
14. Weltec Biopower GmbH
15. ?rsted A/S