Key Players: (this may not be a complete list and extra companies can be added upon request)

Gevo Inc.
Butamax Advanced Biofuels LLC (BP-DuPont Joint Venture)
Cathay Industrial Biotech
Green Biologics Ltd.
Eastman Chemical Company
METabolic EXplorer
Celtic Renewables Ltd.
Bioenergy International
Solvay S.A.
BASF SE