| Company | Country | Type of member |
|---|---|---|
| Abengoa Innovación | Spain | Industry |
| Advanced Energy Technologies ('Advent') | Greece | Industry |
| AFC Energy | United Kingdom | Industry |
| Air Liquide Group | France | Industry |
| Alstom Transport | Germany | Industry |
| Anglo Platinum Marketing Ltd | United Kingdom | Industry |
| Ansaldo Energia S.p.A. | Italy | Industry |
| Aperam | France | Industry |
| Arcola Energy Limited | United Kingdom | Industry |
| AREVA H2Gen | France | Industry |
| Asahi Kasei Europe | Germany | Industry |
| Atawey | France | Industry |
| Audi | Germany | Industry |
| AVL List GmbH | Austria | Industry |
| Ballard Power System Europe AS | Denmark | Industry |
| Bioway sro | Slovakia | Industry |
| BMW AG | Germany | Industry |
| BP p.l.c. | United Kingdom | Industry |
| CaetanoBus | Portugal | Industry |
| CCS Global Group Ltd. | United Kingdom | Industry |
| Ceres Power Ltd | United Kingdom | Industry |
| Colruyt Group | Belgium | Industry |
| Convion Oy | Finland | Industry |
| Daimler | Germany | Industry |
| DAM Group (DAM Dactem) | France | Industry |
| Danish Power Systems | Denmark | Industry |
| EFCF - European Fuel Cell Forum AG | Switzerland | Industry |
| Elcogen AS | Estonia | Industry |
| elringklinger AG | Germany | Industry |
| Enagas | Spain | Industry |
| ENGIE | France | Industry |
| EPS ELVI ENERGY | Italy | Industry |
| Equinor | Belgium | Industry |
| ESB | Ireland | Industry |
| EWE | Germany | Industry |
| EWII Fuel Cells AS | Denmark | Industry |
| FAURECIA Systeme d'eschappement | France | Industry |
| FCP Fuel Cell Powertrain | Germany | Industry |
| FEV Europe GmbH | Germany | Industry |
| Fincantieri S.p.A | Italy | Industry |
| Fluxys Belgium SA | Belgium | Industry |
| Freudenberg Sealing Technologies | Germany | Industry |
| Fronius International | Austria | Industry |
| FTI Consulting Belgium | Belgium | Industry |
| Garrett - Advancing Motion (GTX) | Switzerland | Industry |
| Gas Transmission Operator GAZ-SYSTEM S.A. | Poland | Industry |
| Gasunie New Energy BV | Netherlands | Industry |
| GenCell Ltd | Outside of Europe | Industry |
| GreenGT | Switzerland | Industry |
| GRTgaz | France | Industry |
| H2B2 Electrolysis Technologies | Spain | Industry |
| H2V Product | France | Industry |
| Haskel Europe Limited | United Kingdom | Industry |
| Havenbedrijf Antwerpen - Antwerp Port Authority | Belgium | Industry |
| HELION Hydrogen Power | France | Industry |
| Hinicio | Belgium | Industry |
| Honda R&D Europe GmbH | Germany | Industry |
| Horizon Educational | Czech Republic | Industry |
| Howden | Netherlands | Industry |
| Hydrogenics Europe | Belgium | Industry |
| Hydrogenious LOHC Technologies GmbH | Germany | Industry |
| HyET Hydrogen BV | Netherlands | Industry |
| HyGear Technology & Services B.V. | Netherlands | Industry |
| HyMove B.V. | Netherlands | Industry |
| Hynamics | France | Industry |
| HYSYTECH S.r.l. | Italy | Industry |
| Hyundai Motor Europe GmbH | Germany | Industry |
| Icelandic New Energy Ltd. | Iceland | Industry |
| IHT Industrie Haute Technologie | Switzerland | Industry |
| INEA | Slovenia | Industry |
| ITM Power | United Kingdom | Industry |
| Jastrzębska Spółka Węglowa (JSW SA) | Poland | Industry |
| John Cockerill | Belgium | Industry |
| Johnson Matthey Fuel Cells Limited | United Kingdom | Industry |
| Kiwa | Netherlands | Industry |
| Kuwait Petroleum Research and Technology B.V. (Q8Research) | Netherlands | Industry |
| Liebherr Aerospace & Transportation | France | Industry |
| Linde | Germany | Industry |
| Logan Energy | United Kingdom | Industry |
| McPhy | France | Industry |
| Mercedes-Benz Fuel Cell | Germany | Industry |
| Metacon | Sweden | Industry |
| Michelin | France | Industry |
| MTSA Technopower B.V | Netherlands | Industry |
| Naval | France | Industry |
| Nedstack fuel cell technology B.V. | Netherlands | Industry |
| Nel Hydrogen | Norway | Industry |
| Nissan Europe SA | France | Industry |
| Nouryon | Netherlands | Industry |
| ONTRAS Gastransport GmBH | Germany | Industry |
| Open Grid Europe GmbH | Germany | Industry |
| PAUL WURTH S.A. | Luxembourg | Industry |
| PGE Polska Grupa Energetyczna S.A. | Poland | Industry |
| PitPoint Clean Fuels | Netherlands | Industry |
| Plastic Omnium | France | Industry |
| Plug Power - HyPulsion | Outside of Europe | Industry |
| Powercell AB Sweden | Sweden | Industry |
| PowiDian | France | Industry |
| Proton Motor | Germany | Industry |
| Riversimple Movement Ltd | United Kingdom | Industry |
| Robert Bosch GmbH | Germany | Industry |
| SAFRAN Group | France | Industry |
| Saint Gobain | France | Industry |
| Salzgitter Mannesmann Forschung | Germany | Industry |
| Seiya Consulting | France | Industry |
| SFICE INNOVATIVE MINDS SL | Spain | Industry |
| Shell Downstream Services International B.V. | Netherlands | Industry |
| Siemens | Germany | Industry |
| SNAM Spa | Italy | Industry |
| SNCF | France | Industry |
| Solaris Bus & Coach | Poland | Industry |
| Solenco Power NV | Belgium | Industry |
| SOLIDpower SpA | Italy | Industry |
| Storengy | France | Industry |
| Sumitomo Benelux | Belgium | Industry |
| Sunfire | Germany | Industry |
| Symbio | France | Industry |
| Teréga S.A. | France | Industry |
| The European Marine Energy Centre (EMEC) | United Kingdom | Industry |
| Tomo Group | Poland | Industry |
| Toray Industries Europe GmbH | Germany | Industry |
| TOYOTA MOTOR EUROPE NV/SA | Belgium | Industry |
| TÜV SÜD AG - V4 e-Mobility | Germany | Industry |
| Uniper Energy Storage | Germany | Industry |
| Van Hool NV | Belgium | Industry |
| Vattenfall | Sweden | Industry |
| VDL Bus & Coach | Netherlands | Industry |
| Verbund | Austria | Industry |
| Viessmann | Germany | Industry |
| voestalpine AG | Austria | Industry |
| Volvo Group | Sweden | Industry |
| Woikoski | Finland | Industry |
| Worley | Spain | Industry |
| Worthington Cylinders | Austria | Industry |
| Wystrach GmbH | Germany | Industry |
| Yanmar Europe | Netherlands | Industry |