Syntec Construction PCL. was selected Stock Award for 8 consecutive years to be the name of listed companies on the THSI for the year 2022 October 10, 2022 - The Stock Exchange of Thailand (SET) today announced the list of Thailand Sustainability Investment (THSI) 2022 Stock Award for 8 consecutive years The company was able to pass the selection of 170 companies from 221 companies participating in the assessment. The top three industry groups in the sustainable stock list by number of companies are Services at 33 companies, Resources at 28 companies, and Property & Construction at 27 companies.