

GFRP KINGS CO., LTD

RESEARCH EQUIPMENTS CO., LTD.

Seccom (Thailand) Corporation Ltd.

Ferro Construction Products Co., Ltd.

GERB Vibration Control

Asia Testing Equipment Co., Ltd.

30 SST PROFESSIONAL CO.,LTD

KEMREX Co., Ltd.

SIAM YAMATO STEEL CO., LTD.

Metal Well Enterprise (Thailand) Co.,Ltd.

MANGO ERP SOFTWARE

Suravallop Engineering 2523

Lucky Flem Co., Ltd.

GENCON ENGINEERING CO., LTD.

Sustainable Solution Co.,Ltd

Prysmian Thailand

NS BlueScope (Thailand) Co., Ltd.

Asian Engineering Consultants Corp., Ltd.

Nagas Digital Co., Ltd.

Dextra Group

MESUK CORPORATION (2006) Co,.Ltd.

IMPERIAL FIRE ENGINEERING CO., LTD.

Sino-Thai Engineering and Construction Public Company Limited

GEOTECH & ENGINEERING SERVICE LIMITED

Measuretronix Ltd.

Acme International (Thailand) Ltd.

PERI Formwork & Scaffolding (Thailand) Ltd.

ECONOWATT

PAWAN ENGINEERING COMPANY LIMITED

NMFIRE (THAILAND) CO., LTD