| Samsung |
Samsung Corperation, Samsung Moters, Samsung Display Devices, Samsung Electric, Samsung Electronic, Samsung Air Craft, Samsung Heavy Industry, Samsung SDS, Kwangjoo Electronics Co., Ltd |
| LG |
LG Construction Co.,Ltd. , LG Semicon Co., Ltd., LG Industrial System Co., Ltd. LG Cable & Machinery Ltd., LG Electronic Inc., LG Electro-Components Ltd. LG Precision Co., Ltd., LG TeleCom Co., Ltd., LG-Honeywell Co., Ltd |
| Daewoo |
Dawoo Electronics, Dawoo Heavy Industry, Dawoo Carrier, Dawoo Telecommunications |
| SK |
SK Telecom |
| Hyundai |
Hyundai Elevator Co., Ltd. , Hyundai Precision & Industry Co., Ltd. |
| Posco |
Posco |
| Public Institution |
Seoul metropolitan installation management corporation, Radio Research Lab, Korea Telecom |
| Public Research Institute |
KSIIC,KIST, ETRI |
