HKK  Instrumentation Technologies (Thailand) Co., Ltd.

Aibel - ABB for Dogger Bank Wind Farm

Aibel - MSL for Johan Sverdrup Phase 2, Norway

Aibel - PECI for Johan Sverdrup Phase 2, Norway

Air Liquide Thailand

Amata B.Grimm Power Chonburi 4-5

Asia Silicones Monomer

Automatech Engineering

Bangchak Petroleum

Covestro

EGAT Mae Moh

EGAT Sainoi, Chemical Department

EGAT South Bangkok

EGAT Wangnoi

Eins Lab International

Gulf JP NNK

Gulf Nongkhae

Hongsa Power Plant, Laos

Khanom Electricity Generating

Neediss Supply Instrument & Envilab

OEG : Rojana Power

Pollution Control Department

Prem Group Engineering

PTT

PTT Global Chemical

PTT Global Chemical, GC#6 - Refinery

SAS Tech Solution

Thai Oil

Thai Polycarbonate

Trans Thai-Malaysia

Ube Chemical Asia

WIKA Instrumentation