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ELECTRICAL AND INSTRUMENT SERVICE LTD., PART.

GOLDEN DEVELOPMENT LIMITED PARTNERSHIP

S.N. MACHANIC LIMITED PARTNERSHIP

WITZ MANN CO., LTD.

NETWORK CO., LTD.

J.U.D.ENGINEERING SYSTEM LIMITED PARTNERSHIP

ELLIPSE DESIGN CO., LTD.

Y.N.P. ELECTRIC LTD., PART.

THAIJS ENGINEERING AND SERVICE LTD.PART.

LOVE BUILDING FILM LIMITED PARTNERSHIP

LIGHT AND SOUND AUDIO COMPANY LIMITED

SIAM SWISS BOARD CO., LTD.

SUKTHAWEE KARNCHANG LTD.,PART.

IRON EAGLE INTER TRADING COMPANY LIMITED

S. SIAM ELECTRIC 1995 LIMITED PARTNERSHIP

WATCHARAPHOL ELECTRICAL ENGINEERING CO.,LTD.

T.T.S. TELECOM LIMITED PARTNERSHIP

N.P.N. ELECTRIC LIMITED PARTNERSHIP