Air Liquide

Air Liquide SA, is a French multinational company that supplies industrial gases and services to various industries including medical, chemical, and electronic manufacturers.
Air Liquide is well known for its experience in cryogenic technologies but the firm is further expanding its presence in the green hydrogen value chain through electrolysis, storage, and transportation solutions.

H2 conversion, H2 production, H2 storage & transportation
Electrolyzers - PEM, Liquefaction, Truck delivery

Asahi Kasei America

Asahi Kasei is a supplier of large-scale alkaline electrolysis systems.

H2 conversion, H2 production
Ammonia production, Electrolyzers - Alkaline

Ballard Power

Ballard Power Systems Inc. is a developer and manufacturer of PEM fuel cell products for markets such as heavy-duty motive, portable power, material handling as well as engineering services.

H2 end use, H2 production
Buses / transit, Electrolyzers - PEM, Ferry, tugboat

BayoTech, Inc.

BayoTech builds small-scale hydrogen production hubs and offers gas delivery and storage solutions to local customers.

H2 production, H2 storage & transportation
Gaseous H2 storage, Steam reformers, Truck delivery

Bloom Energy

Bloom Energy’s breakthrough solid oxide fuel cell technology generates clean, highly-efficient energy onsite from alternative energy sources.

H2 production
Electrolyzers - SOEC


Robert Bosch GmbH, commonly known as Bosch, is a German multinational engineering and technology company headquartered in Gerlingen.

H2 production
Electrolyzers - PEM, Electrolyzers - SOEC


Cummins Inc. is an American multinational corporation that designs, manufactures, and distributes engines including hydrogen-powered engines, filtration, and power generation products.

H2 end use, H2 production
Cargo handling equipment, Electrolyzers - SOEC, Trucks

Electric Hydrogen

Electric Hydrogen (EH2) is a deep decarbonization company pioneering low-cost, high-efficiency, fossil-free hydrogen systems. Focusing on industrial applications of hydrogen in steel, ammonia, and freight transport, our goal is to help eliminate more than 30% of global GHG emissions from hard-to-electrify industries.

H2 production
Electrolyzers - PEM


Enapter AEM Electrolysers make low-cost green hydrogen for any use, at any scale. Enapter offers easy installation & software integration as part of the service.

H2 production
Electrolyzers - AEM


Green Hydrogen Systems designs and manufactures efficient, standardised and modular electrolysers for production of green hydrogen with renewable energy.

H2 production
Electrolyzers - Alkaline


H2U Technologies is a developer of low-capital-cost, iridium-free proton exchange membrane (PEM) electrolyzers that are particularly suited for pairing with renewable energy sources.

H2 production, Technical & business services
Consulting & advisory services, Electrolyzers - PEM

Haldor Topsoe

Topsoe is a global leader in catalysis and process technology driving optimal performance within solid oxide electrolysis, chemical processing, hydroprocessing, and emissions management.

H2 production
Electrolyzers - SOEC, Steam reformers


HTEC works across the clean hydrogen value chain, developing, integrating, and operating clean hydrogen energy solutions in North American markets to enable the sector’s transition to a low-carbon future.

H2 conversion, H2 end use, H2 production, H2 storage & transportation
Electrolyzers - PEM, Liquefaction, Refueling station, Truck delivery, Trucks

Hy2gen AG

HY2GEN develops, finances, builds, and operates plants for the production of renewable fuels of non-biological origin and other PtX-fuels for customers worldwide. The company specialises in the entire product range – from green hydrogen to green ammonia and methanol and other PtX-fuels like SAF.

H2 conversion, H2 production
Ammonia production, Compression, Electrolyzers - PEM, Methanol production, Sustainable aviation fuel (SAF) production

Hycamite TCD Technologies

Hycamite TCD Technologies provides an environmental friendly and carbon dioxide free energy solution (clean hydrogen and carbon from methane) for sustainable development.

H2 production

Iwatani Corporation of America

As an integral part of one of the leading global Japanese conglomerates, Iwatani Corporation of America has been steadily broadening its’ horizons to new markets throughout The Americas in the fields of cooking products, industrial gases, ceramics, electronics, plastics, chemicals, metals, and agri-bio for the past 30 years.

H2 production, H2 storage & transportation
Electrolyzers - PEM, Refueling station


Klean provides pyrolysis & gasification systems that convert rubber tyres (tires), scrap plastics & municipal solid waste into electricity and e-fuels.

H2 production

Modern Hydrogen

Modern Hydrogen is a start-up company based in the Seattle area. Modern Hydrogen technologies remove carbon from natural gas, at-the-meter, for commercial and industrial operations.

H2 production

Nel Hydrogen

Nel is a global, dedicated hydrogen company, delivering optimal solutions to produce, store and distribute hydrogen from renewable energy.

H2 production, H2 storage & transportation
Electrolyzers - Alkaline, Electrolyzers - PEM, Gaseous H2 storage, Refueling station


Ohmium designs and commissions reliable, cost-effective green hydrogen modular PEM electrolyzers, and offers package services to optimize project economics.

H2 production
Electrolyzers - PEM

Plug Power

Plug Power is a vertically integrated green hydrogen company, offering customers end-to-end hydrogen ecosystem solutions.

H2 conversion, H2 end use, H2 production
Buses / transit, Compression, Electrolyzers - PEM, Forklifts, Liquefaction, Trucks

Raven SR

Clean fuels company using patented Steam/CO2 Reformer technology to turn waste destined for landfill into clean hydrogen and Fischer-Tropsch synthetic fuels.

H2 production
Steam reformers


The principal divisions of the company are Industry, Energy, Healthcare, and Infrastructure & Cities, which represent the main activities of the company.
Siemens Energy is one of the largest electric equipment manufacturer, including electrolyzers, heat pumps, power trains, and relevant software.

H2 production
Balance of plant, Electrolyzers - PEM

STARS Technology Corporation

The STARS Hydrogen Generator uses proven, microchannel process technology and additive manufacturing to mass produce modular chemical reaction systems that convert water and methane into hydrogen in an SMR process. With this technology, it transforms the natural gas grid into the hydrogen grid without pipelines or delivery vehicles.

H2 production
Steam reformers