CANON INC.
CERAMTEC
Fuji Ceramics
HEWLETT PACKARD
HITACHI METALS
INTEL
Johnson Matthey Piezo Products
KEMET CORP.
KONICA MINOLTA
KYOCERA
MURATA MANUFACTURING
NGK SPARK PLUG
Noritake
PANASONIC
PI CERAMIC GMBH
SAMSUNG ELECTRO-MECHANICS
SEIKO EPSON
TAIYO YUDEN
TDK CORP.
XEROX CORP.