1. Westervelt
2. Pacific BioEnergy
3. German Pellets
4. RWE Innogy
5. Emerson Electric Company
6. Drax Biomass
7. General Biofuels
8. SUEZ energy
9. Biomass Secure Power
10. Pfeifer Group
11. Intelliflux Controls
12. Energex Power Private Limited
13. Lignetics
14. Rentech
15. Enviva Inc