Arkema S.A. (France)
Arry International Group LTD. (China)
Carbon Solutions Inc. (US)
Cheap Tubes Inc. (US)
CNT Co. Ltd. (Korea)
Ocsial LLC (US)
Hanwha Chemical Corp. (South Korea)
Nano-C Inc. (US)
Cnano Technology Ltd (US)
Toray International Group Limited (Japan)
Showa Denko K.K. (Japan)
Continental Carbon Company (US)