| 1 |
ENEOS Corporation |
Tokyo |
Refining, fuel production |
Major integrated energy |
Leading refiner, large-scale H2 projects |
| 2 |
Iwatani Corporation |
Osaka |
Industrial gas supply, H2 fueling |
Major industrial gas company |
Japan’s largest hydrogen supplier |
| 3 |
Air Water Inc. |
Osaka |
Industrial gases, energy |
Major industrial gas company |
Active in H2 production and supply chain |
| 4 |
Taiyo Nippon Sanso Corporation |
Tokyo |
Industrial gases, engineering |
Major industrial gas company |
Part of Mitsubishi Chemical Holdings |
| 5 |
Mitsubishi Corporation |
Tokyo |
Trading, energy projects |
Major trading company (sogo shosha) |
Invests in global H2/ammonia value chains |
| 6 |
Toyota Motor Corporation |
Toyota, Aichi |
Automotive, fuel cell vehicles |
Global automaker |
Develops FCV and H2 infrastructure |
| 7 |
Kawasaki Heavy Industries |
Kobe, Hyogo |
Heavy machinery, engineering |
Major heavy industry |
Develops liquid H2 supply chain tech |
| 8 |
Mitsui & Co., Ltd. |
Tokyo |
Trading, energy projects |
Major trading company (sogo shosha) |
Invests in global H2 production projects |
| 9 |
Chiyoda Corporation |
Yokohama |
Engineering, plant construction |
Major engineering contractor |
SPERA Hydrogen tech, H2 carrier projects |
| 10 |
J-POWER |
Tokyo |
Electric power generation |
Major power producer |
R&D and pilot projects for H2 co-firing |
| 11 |
Toshiba Energy Systems |
Kawasaki, Kanagawa |
Power systems, H2 solutions |
Major power systems |
H2 production (electrolysis), fuel cells |
| 12 |
Mitsubishi Heavy Industries |
Tokyo |
Heavy machinery, turbines |
Major heavy industry |
Gas turbine H2 co-firing, production tech |
| 13 |
Sumitomo Corporation |
Tokyo |
Trading, diversified business |
Major trading company |
Invests in H2 and ammonia projects |
| 14 |
Tokyo Gas Co., Ltd. |
Tokyo |
City gas, energy solutions |
Major gas utility |
H2 blending, production, fueling stations |
| 15 |
Osaka Gas Co., Ltd. |
Osaka |
City gas, energy solutions |
Major gas utility |
H2 production, methanation, fueling stations |
| 16 |
Toho Gas Co., Ltd. |
Nagoya |
City gas supply |
Major gas utility |
H2 production and utilization projects |
| 17 |
Idemitsu Kosan Co., Ltd. |
Tokyo |
Petroleum, renewables |
Major refiner |
H2 production, fueling stations, ammonia |
| 18 |
Showa Denko K.K. |
Tokyo |
Chemicals, gases |
Major chemical company |
Produces high-purity hydrogen for industry |
| 19 |
Nippon Steel Corporation |
Tokyo |
Steel production |
Major steelmaker |
H2 use in steelmaking (reduction), production |
| 20 |
JX Nippon Mining & Metals |
Tokyo |
Non-ferrous metals, resources |
Major metals company |
H2-related materials, part of ENEOS Holdings |
| 21 |
Hitachi Zosen Corporation |
Osaka |
Environmental plants, engineering |
Engineering and machinery |
Waste-to-hydrogen technology |
| 22 |
Yokogawa Electric Corporation |
Tokyo |
Automation, control systems |
Industrial automation |
Provides control systems for H2 production |
| 23 |
JGC Holdings Corporation |
Yokohama |
Engineering, plant construction |
Major engineering contractor |
FEED/EPC for H2/ammonia production plants |
| 24 |
INPEX Corporation |
Tokyo |
Oil & gas exploration |
Major upstream energy |
Investing in blue/green H2 and ammonia projects |
| 25 |
Toyota Tsusho Corporation |
Nagoya |
Trading, Toyota Group |
Major trading company |
Invests in H2 production and supply projects |
| 26 |
Panasonic Holdings |
Kadoma, Osaka |
Electronics, fuel cells |
Major electronics |
Residential fuel cell (ENE-FARM) production |
| 27 |
Fukushima Hydrogen Energy Research Field |
Fukushima |
Renewable H2 production |
Large-scale demonstration |
FH2R, one of world’s largest solar-to-H2 |
| 28 |
Asahi Kasei Corporation |
Tokyo |
Chemicals, materials |
Major chemical company |
Alkaline water electrolysis systems |
| 29 |
Kobe Steel, Ltd. |
Kobe, Hyogo |
Steel, machinery |
Major steelmaker |
H2 use in steelmaking, engineering |
| 30 |
Obayashi Corporation |
Tokyo |
Construction, engineering |
Major contractor |
Participates in H2 infrastructure projects |