AGC INC.
CORNING INC.
FG GLASS
FUYAO GROUP
GENTEX CORP.
GUARDIAN INDUSTRIES HOLDINGS
HALIO INC.
JAIPUR TUFFEN GLASS INDUSTRIES PVT. LTD.
LTI SMART GLASS INC.
NIPPON SHEET GLASS CO. LTD.
PRIVETEK
SPD CONTROL SYSTEMS CORP.
SAINT-GOBAIN
SMART GLASS
SMARTGLASS INTERNATIONAL