| Date | Milestones | ||
|---|---|---|---|
| Apr. 29, 2025 | Awarded for Contributions to the Advancement of the Overseas Construction Industry | ||
| Mar. 14, 2024 | Certification: ISO 45001 (by IGC) | ||
| Dec. 21, 2021 | Honored with a Certificate of Commendation (by KOSHA) | ||
| Nov. 02, 2020 | Awarded for Contributions to Overseas Construction Development | ||
| Dec. 20, 2019 | Closed Vietnam Subsidiary (WECVINA) | ||
| Oct. 27, 2017 | Certification: KOSHA 18001 (by KOSHA) | ||
| Dec. 05, 2016 | Industrial Medal by Ministry of the Interior | ||
| Apr. 30, 2013 | Opened Indian Subsidiary (WEIL) in Mumbai, India | ||
| Jan. 20, 2013 | Changed Company name to “Woosun Energy and Construction Co., Ltd.” | ||
| Jan. 30, 2012 | Opened Vietnam Subsidiary (WECVINA) in Hochiminh, Vietnam |