• Offshore
• Petrochemical & Refineries

• Pulp and Paper
• Marine

– ABB (Thailand) Limited
– B.Grimm Power Limited
– BJC Engineering group
– Chevron Thailand Exploration And Production
– CPF Group
– Demco Public Company Limited
– Electricity Generating Authority of Thailand (EGAT)
– Glow Group
– Italthai Engineering Co.,Ltd.
– Metropolitans Waterworks Authority (MWA)
– Mitr Phol Group

– Provincial Electricity Authority (PEA)
– PTT Public Co., Ltd.
– Rojana Power Plant
– Siam Cement Group (SCG)
– Siemens Limited
– Schneider (Thailand) Limited
– Thai Airways International Public Company
– Thai Beverage Public Company Limited
– Thai Tap Water Supply Co.,Ltd.
– TMB Bank
– US Embassy