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KAEWKONG ENGINEERING LIMITED PARTNERSHIP

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MAEPING 14 CONSTRUCTION LIMITED PARTNERSHIP

KANOKTHAIFAMILY CO., LTD.

SLT COMPANY LIMITED

WANGCHAOCONCTETE CPAC LIMITED PARTNERSHIP

THANASUB RICE OIL LIMITED PARTNERSHIP

HANGTHONGMAEJAMLONG LIMITED PARTNERSHIP

POLTIP (2008) LIMITED PARTNERSHIP

TEE.A.K. ASPHALT CO., LTD.

N.T. GOOD ROOM CO., LTD.

PL INTERNATIONAL (NORTH) COMPANY LIMITED

P. PROM LIMITED PARTNERSHIP

B.K.C. KLANG A LAI CO., LTD.