Client

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

Affiliated company

Geumhwa PSC Co., Ltd.

NS Company Ltd.

Geumhwa WTS Co., Ltd.

Geumhwa Electronics Co., Ltd.