Eco Power Solutions (USA) Corp.Massachusetts, United States
Beijing Sanyi Green Energy Development Co., Ltd.Beijing Shi, China
Elettra 1938 SpA (Old)
Azapa Co., Ltd.Aichi-ken, Japan
Argent Energy (UK) Ltd.United Kingdom
Hydro Extruded Solutions ASNorway
Hilong Group of Companies Ltd.Shanghai, China
Aemetis, Inc.California, United States
Muehlhan AGHamburg, Germany
Therma-Flite, Inc.California, United States
Avantium Technologies BVNoord-Holland, Netherlands
Kamstrup A/SSouth Carolina, United States