Korea Hydro & Nuclear Power Co., Ltd.
KEPCO Plant Service & Engineering Co., Ltd.
Korea Central Power Co., Ltd.
Korea East-West Power Co., Ltd.
Korea Western Power Co., Ltd.
Korea Southern Power Co., Ltd.
Korea South-East Power Co., Ltd.
Korea Water Resources Corporation
Korea Land and Housing Corporation
Korea Railroad Corporation
Seoul Energy Corporation
Incheon Total Energy
With Incheon Energy Co., Ltd.
Aerix
POSCO
Pocheon Power Co., Ltd.
Korea Expressway Corporation
Hyundai Heavy Industries Power System
Geumhwa PSC Co., Ltd.
NS Company Ltd.
Geumhwa WTS Co., Ltd.
Geumhwa Electronics Co., Ltd.