GSAS Design & Build
4 STAR
Sports
Aug 30, 2018
GSAS Construction Management
CLASS A
Construction Site
Feb 8, 2018
GSAS Operations
GOLD
Operations Standard
Jul 26, 2022
Railways
May 14, 2019
Oct 30, 2018
Aug 14, 2018
Sep 17, 2018
5 STAR
Jun 12, 2022
CLASS A★
Feb 22, 2022
Oct 5, 2022
Oct 23, 2019
Apr 9, 2019
Mar 29, 2022
Feb 14, 2019
Sep 25, 2018
Jun 27, 2019
PLATINUM
Operations Premium
Aug 14, 2023
Mar 11, 2020
Mar 9, 2020
Oct 6, 2022
Sep 10, 2020
Aug 20, 2020
Sep 5, 2022
