client
- 3M
- ABB
- GM
- Interflex
- LG Display
- LG Innotek
- LG Electronics
- LG Hausys
- LG Chem
- SK
- KIA Motors
- MNtech
- Samsung Display
- Samsung Electro-Mechanics
- Samsung Electronics
- SAIT
- Starion
- Youngpoong Electronics
- KCL
- Korea Testing Certification
- Kepco
- Hansol
- Hyundai Motor
- Heesung Electronics