2022
Glostrext Singapore - bizSAFE Star
2022
Glostrext Singapore - Specialist Builder (Site Investigation Work)
2022
Glostrext Malaysia - ISO 9001
2022
Glostrext Singapore - ISO 45001
2021
Glostrext Singapore - ISO 17025
2020
Glostrext Singapore - ISO 9001
2020
Glostrext Malaysia - ISO 17025
2019
Glostrext Singapore - Specialist Builder (Piling Works)