PHYSIK INSTRUMENTE (PI) TAIWAN LTD.

RADIATION TECHNOLOGY CO., LTD.

MARKETECH INTERNATIONAL CORP.

GALLANT PRECISION MACHINING CO., LTD.

C SUN MFG. LTD.

SUNWAY SCIENTIFIC CORPORATION

TITAN ELECTRO-OPTICS CO., LTD.

HESHENG HARDWARE I CO., LTD.

GROUP UP INDUSTRIAL CO., LTD.

SINOM CORPORATION

HONG YANG LASER SERVICE CO., LTD.

METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE

TRIOPTICS TAIWAN LTD.

AMETEK TAIWAN CORP., LTD.

CHAN CHAO INTERNATIONAL CO., LTD.

SCIENTECH CORPORATION

TAIWAN OPTICAL MEASURING INSTRUMENT CO., LTD.

FORTER TECHNOLOGY CORPORATION

SIGMA TECHNOLOGY CORP.

LIKUAN OPTO TECH INC.

ULVAC TAIWAN INC.

BAY UNION ABRASIVE TECHNOLOGY CO., LTD.

UTECHZONE CO., LTD.

TAIWAN PULSE MOTION CO., LTD.

HORTECH COMPANY

TACHOU RUBBER INDUSTRIAL CO., LTD.

BUENO TECHNOLOGY CO., LTD.

IGUS TAIWAN COMPANY LIMITED.