-
Seoul metropolitan Region
- Gasan Testing Building (Head Office)
- Seocho Administration Management Building
- IAQ Center & The Center of Green Complex Technologies (Gunpo)
- Bio Convergence Technology Laboratory (Songdo)
- Incheon & Gyeonggi Branch / Wood & Furniture Research Center (Incheon)
- North Gyeonggi Branch (Pocheon)
- Ansan Sub-branch
- Offshore Environment Test Site (Ansan)
- Gangwon Region
- Chungcheong Region
- Yeongnam Region
- Honam Region
- Overseas Branches
Offshore Environment Test Site (Ansan)
- Entire Area of Right Side of Shihwa Tide Embankment Drainage Lock, Daebu-dong, Danwon-gu, Ansan-si, Gyeonggi-do