Saint-Gobain Group (France)
Ravenwindow (Ravenbrick LLC) (US)
PPG Industries
Inc (US)
LTI Smart Glass
Inc (US)
Kinestral Technologies Inc. (US)
Gentex Corporation (US)
Merck KGAA (Germany)
Pleotint Llc (US)
E-Chromic Technologies Inc. (US)
Chromogenics AB (Sweden)
AGC Inc (Japan)
Hitachi Chemical Co. Ltd (Japan)
Nippon Sheet Glass Co. Ltd (Japan)
and Innovative Glass Corporation (US)