Siwa Testing Inspection & Consulting Co.,Ltd.

Siwa Testing Inspection & Consulting Co., Ltd established Bangkok office in 1982 and Rayong office in 2004. STIC provides engineering services are Inspection, NDT, Materials Testing and Tank Inspection & Calibration. We provide unique expertise for the best integrated testing and inspection scheme for clients.

STIC has all the qualifications required and is well familiar with the inspection and LPG licensing process, being the first authorized third party inspection company by the Department of Energy Business and having 29 years of experience. Our company was  accredited by the National Board of Boiler and Pressure Vessel Inspectors to provide  AI (Authorized Inspector) for inspection of boiler and pressure vessel to be ASME code symbol stamp.