Siemens, D
Fraunhofer Institut, D
Temic, D
Elmos, D
Wacker, D
GEC Plessey, UK
MEMC Mullard, I
Phillips, NL
Tesla, CZ
Westec, NL
Deutsche Solar, Freiberg, D
ASI Industries, Arnstadt, D
µ-chip, Rudolstadt, D
REC Scanwafer, N
Photowatt, F
Solar Cells Hellas, GR
Piritium, GR

u.a.

Green Energy Technology, TWN
SAS, Sino American Silicon Products Inc., TWN
Motech, TWN
Wuxi Konca Solar Co., Ltd., CHN
Trina Solar, CHN
Danen, CHN
Jiangxi LDK Solar Hi-Tech Co. Ltd., CHN
Jing Long Electronics Material, CHN
Opto Tech, TWN
Beijing Microelectronics Technology Institute, CHN
China Huajing Electronics, CHN
China Shanghai DongChang SETECH, CHN
Episky Corporation, CHN
Hebei Semiconductor Research Institute, CHN
Schaeffler Ningxia, CHN
Tian Shui Yong Hong Material Factory, CHN

u.a.

Solar Power Industries, USA
GT Solar, USA
MEMC, USA

u.a.