Korea Gas Corporation

Hyundai Motor Company

Linde korea

Air Liquide Korea

JNK GLOBAL Co., Ltd.

Korea Gas Safety Corporation

Korea Automobile Research Institute

Doosan Fuel Cell Co., Ltd.

Air Product Korea

Korea National Oil Corporation

SK Innovation E&S

Korea Gas Technology Corporation

Korea Energy Agency

The Korean Society of Hydrogen and New Energy

Iljin Hysolus Co., Ltd.

Aramco Asia Korea Ltd.

Aprotium Co., Ltd.

Fortescue Future Industries

Bloomenergy Korea

SPG Industry Co., Ltd.

SK Gas

Hyosung Heavy Industries Co., Ltd.

Kwangshin Machinery Co., Ltd.

Harium Industry Co., Ltd.

Institue for Advanced Engineering

Daedo Hydrogen Co., Ltd.

Korea City Gas Association

Korea Automobile Manufacturers Association

Gangwon Technopark

Korea Hydrogen Industry Association

Korea Research Institute of Standards and Science

Korea LPG Association

Lotte Chemical Corporation

Elchemtech Co., Ltd.

Korea Hydro Power

Woodside Energy

Gipylos Co., Ltd.

Changwon Industry Promotion Agency

Bumhan Fuel Cell Co., Ltd.

Samchan Energy Co., Ltd.

Hydrogen Energy Network Co., Ltd.

Sumitomo Corporation Korea Ltd.

Korea East-West Power Co., Ltd.

S-Fuelcell Co., Ltd.

Korea Midland Power Co., Ltd.

Green Energy Research Institute

Korea Energy Economics Institute

Wonil T&I Co., Ltd.

Research Institute of Industrial Science & Technology

NK Tech Co., Ltd.

Korea Hydro & Nuclear Power Co., Ltd.

Korea Electronics Technology Institute

Ulsan Port Authority

Enerzine Co., Ltd.

Hygen Energy Co., Ltd.

Korea Institute of Ocean Science & Technology - Ship and Ocean Plant Research Institute

Kraft Powercon Korea Ltd.

KEPCO Management Research Institute

Apave Korea Ltd.

Hyundai Rotem Co., Ltd.

Kohygen Co., Ltd.

Doosan Enerbility

ENERGY & MACHINERY KOREA CO., LTD.

POSCO Holdings Inc.

KEPCO ENGINEERING & CONSTRUCTION COMPANY.INC

Emerson Korea Co., Ltd.

Korea Southern Power Co., Ltd.

DAEHA CO., LTD.

Samjung ENC Co., Ltd.

GS Energy Corp.

Gore Korea Co., Ltd.

Kumyang Innovation Co., Ltd.

Sungwoo Hitech Co., Ltd.

Maximator Korea Co., Ltd.

Techross Water & Energy

SZU KOREA Co., Ltd.

Hanwha Power Systems Co., Ltd.

Gyunggido Business & Science Accelerator

Hyundai Glovis Co., Ltd.

Mt.H Control Valve Co., Ltd.

Low Carbon Co., Ltd.

Korea Zinc Co., Ltd.

Light Bridge Co., Ltd.

Daesung Powertech Co., Ltd.

BSHANYANG

Hystattion

Korea Testing Certification institute

BP Korea Limited

Korea Trade Insurance Corporation

Korea Western Power co.,Ltd.

Sasol South Africa Limited

Surim Tech Co., Ltd.

Korea Testing & Research Institute

BowerGroupAsia, Inc.

Korea South-East Power Co., Ltd.

OPmobility

Godeok Clean Energy Co., Ltd.

Korea Conformity Laboratories

Copenhagen Infrastructure Partners

NEUMAN & ESSER KOREA Co., Ltd.

Korea Petroleum Management Service

GTC(Gas Technology Compression)

HnPower

Hyundai Steel

Ulsan Metropolitan City Hall

Gwangju City Hall

Chungcheongnam Provincial Office

Gangneung City Hall

Changwon City Hall

Gangwon State Government

National Agency for Administrative City Construction

Daegu Metropolitan City Hall

Daejeon City Hall

Busan Metropolitan City Hall

Incheon Metropolitan City Hall

Chungcheongbuk Province Government

Jeollanam-do Provincial Government

Gyeongsangbuk-do Provincial Government

Pyeongtaek City Hall

Gyeonggi Provincial Government

Buan County Office

Jeonju City Hall

Samcheok City Hall

Dangjin City Hall

Hwaseong City Hall

Gyeongsangnam-do Provincial Hall

Chungju City Hall

Jeonbuk State Governmment

Wonju City Hall

Boryeong City Hall

Ansan City Hall

Jeju Special Self-Governing Province

Wanju County Office

Uijeongbu City Hall

Gwangyang City Hall

Gwangyang Bay AreaFree Economic Zone Authority

Gimhae City Hall

Hadong County Office

Cheongju City Hall

Saemangeum Development and Investment Agency

Yeonggwang County Office

Yeosu City Hall

Business Sweden

Uljin County Office

Pohang City Hall

Ministry of Trade, Industry and Energy