| Organization [sort] | Member Type [sort] |
| AC Transit | Government/Non-Profit Member |
| AG/ENA | Small Business Member |
| Air Liquide Advanced Technologies U.S. LLC | Industry Member |
| Air Products and Chemicals, Inc. | Sustaining Member |
| University of Albany - Albany Nanotech Energy and Environment Technology Application Center | University/Education Member |
| American Honda Motor Company, Inc. | Industry Member |
| Arizona Public Service Company | Sustaining Member |
| Proton Energy Systems | Industry Member |
| Avalence LLC | Small Business Member |
| Ballard Power Systems | Sustaining Member |
| BMW of North America, Inc. | Sustaining Member |
| BP | Sustaining Member |
| Canadian Hydrogen Energy Company | Small Business Member |
| ChevronTexaco | Sustaining Member |
| Clean Energy Fuels Corporation | Small Business Member |
| CSA America, Inc. | University/Education Member |
| Chrysler Corporation | Industry Member |
| Economic Development Partnership | Government/Non-Profit Member |
| Energy Conversion Devices, Inc. | Industry Member |
| Engineering Advancement Association of Japan | Government/Non-Profit Member |
| Entergy Nuclear | Sustaining Member |
| AREVA NP, Inc. | Sustaining Member |
| Freesen & Partner GmbH | Small Business Member |
| Gas Technology Institute (GTI) | University/Education Member |
| General Atomics | Industry Member |
| General Motors Corporation | Sustaining Member |
| H2Gen Innovations, Inc. | Small Business Member |
| H2scan Corporation | Small Business Member |
| Hydrogen 2000, Inc. | University/Education Member |
| Hydrogenics Corporation | Industry Member |
| HyRadix, Inc. | Small Business Member |
| Idaho National Laboratory | Government/Non-Profit Member |
| Infinity Fuel Cell and Hydrogen, LLC | Small Business Member |
| Intelligent Energy | Small Business Member |
| ISE Corporation | Small Business Member |
| Iwatani International Corporation | Industry Member |
| Kettering University - Center for Fuel Cell Systems & Powertrain Integration | University/Education Member |
| The Linde Group | Sustaining Member |
| M.R.S. Enterprises | University/Education Member |
| Millennium Cell | Small Business Member |
| National Aeronautics & Space Administration - Kennedy Space Center | Honorary Member |
| National Renewable Energy Laboratory | Government/Non-Profit Member |
| Nebraska Public Power District | Industry Member |
| New York Power Authority | Industry Member |
| StatoilHydro ASA | Small Business Member |
| Pacific Northwest National Laboratory | Government/Non-Profit Member |
| Pennsylvania State University - Hydrogen Energy Center (H2E) | University/Education Member |
| Plug Power | Industry Member |
| Praxair, Inc. | Sustaining Member |
| QuestAir Technologies, Inc. | Small Business Member |
| Rutgers, The State University of New Jersey - Center for Energy, Economic and Environmental Policy | University/Education Member |
| Sacramento Municipal Utility District | Industry Member |
| Sandia National Laboratories | Government/Non-Profit Member |
| Savannah River National Laboratory | Government/Non-Profit Member |
| Humboldt State University - Schatz Energy Research Center | University/Education Member |
| Schlumberger | Industry Member |
| Sentech, Inc. | Small Business Member |
| Shell Hydrogen, LLC | Sustaining Member |
| Southern California Edison Company | Industry Member |
| Southwest Research Institute | Government/Non-Profit Member |
| Sumitomo Corporation | Industry Member |
| Toyota Motor Sales, USA, Inc. | Sustaining Member |
| University of North Dakota - Energy and Environmental Research Center | University/Education Member |
| U.S. Department of Energy (DOE) | Honorary Member |
| University of California, Davis - Institute for Transportation Studies | University/Education Member |
| University of Hawaii at Manoa - Natural Energy Institute | University/Education Member |
| University of South Carolina | Sustaining Member |
| Virent Energy Systems | Small Business Member |
| Ztek Corporation | Small Business Member |
| Purdue University - Discovery Park | University/Education Member |
| Xcel Energy | Industry Member |
| South Carolina Research Authority | Government/Non-profit Member |
| Innovatek | Small Business Member |
| University of Nevada, Reno | University/Education Member |
| Swagelok Company | Industry Member |
| Nuvera Fuel Cells | Industry Member |
| Angstrom Power | Small Business Member |
| West Wind Works, LLC | Small Business Member |
| General Hydrogen Corporation | Small Business Member |
| National Energy Technology Laboratory | Government/Non-Profit Member |
| NextJoule, Inc. | Small Business Member |
| University of Kansas | University/Education Member |
| Applied Thin Films, Inc. | Small Business Member |
| HydroGen, LLC | Industry Member |
| Trulite, Inc. | Small Business Member |
| Westinghouse | Industry Member |
| Nanologix, Inc. | Small Business Member |
| Anaerobe Systems | Small Business Member |
| HyPower Fuel, Inc. | Small Business Member |
| CEA | Government/Non-profit Member |
| University of Montana | University/Education Member |
| Hy-Drive Technologies | Small Business Member |
| Power+Energy | Small Business Member |
| ITM Power Plc | Small Business Member |
| AFC Energy | Small Business Member |
| Port of Los Angeles | Government/Non-Profit Member |
| H2Hold | Small Business Member |
| Concurrent Technologies Corporation | Government/Non-Profit Member |
| Hydrogen Discoveries, Inc. | Small Business Member |
| Altergy Systems | Sustaining Member |
| Applied Sensor | Small Business Member |
| McNabb Marketing Resources, Inc. | Small Business Member |
| Lamar University | University/Education Member |
| Wuhan University of Technology | University/Education Member |
| QuantumSphere, Inc. | Small Business Member |
| Asemblon, Inc. | Small Business Member |
| American Wind Power & Hydrogen | Small Business Member |
| FIBA Technologies, Inc. | Industry Member |
| Washington State University | University/Education Member |
| SemGreen, L.P. | Industry Member |
| Pdc Machines, Inc. | Small Business Member |
