1. NUCLEAR POWER PLANT / KEPCO & KHNP
KEPCO (Korea Electric Power Corporation)
KHNP (Korea Hydro & Nuclear power Co., Ltd)
KORI NUCLEAR POWER PLANT
YOUNGGWANG NUCLEAR POWER PLANT
WOLSONG NUCLEAR POWER PLANT
ULCHIN NUCLEAR POWER PLANT

2. FOSSIL FUEL POWER PLANT/ KEPCO
KOSEP (Korea South East Power Co., Ltd)
KOMIPO (Korea Midland Power Co., Ltd)
KOSPO (Korea South Power Co., Ltd)
WP(Korea Western Power Co., Ltd)
KEWP (Korea East West power Co., Ltd)

3. ENGINEERING COMPANY
KEPCO E&C
KPS

4. HEAVY INDUSTRIES
DOOSAN HEAVY INDUSTRY


5. VALVES COMPANY
SAMSHIN CO.,LTD.
PK Valve CO.,LTD.
S&S Valve CO.,LTD.
SVC Inc.
CCI KOREA
ILSHIN VALVE CO.,LTD