| Acta: European firm manufacturing hydrogen, alcohol, ethanol and methanol fuel cell batteries. Company presentation and details of the technology. |
| Acumentrics Corporation: Develops and markets solid oxide fuel cell systems for power backup and distributed power generation. Company profile, product information, and technology overview. |
| Advanced Fuel Cell Systems: A collaboration of companies pursuing the development and application of fuel cell systems. |
| Agni Inc.: Developer of methane reforming fuel processors, PEM fuel stacks, and integrated solutions. Overview of technologies, markets, and opportunities. |
| Alca Torda Applications: Company in France specializing in marine and off-shore fuel cell systems, for auxiliary power and propulsion. |
| Apollo Energy System: Company specializing in alkaline fuel cell technology, derived from ammonia. Company profile, history, management, patents, publications and product catalog. |
| Ballard Power Systems: Manufacturer of zero-emission proton exchange membrane fuel cells. |
| Cellkraft: A Swedish firm which develops, manufactures and markets PEM fuel cells for back-up and niche applications. Company profile and products. |
| Ceramic Fuel Cells Limited: Australian company engaging the stationary power market with a solid oxide fuel cell design. |
| CMR Fuel Cells Limited: UK developer of compact mixed reactant fuel cell stacks for portable and small stationary power generation applications. |
| DCH Technology, Inc.: Manufacturer of hydrogen fuel cells, sensors and safety Equipment. |
| E-Tek: Manufacturer of membrane electrode assemblies and gas diffusion electrodes for various electrochemical processes, offering products from a standard catalog as well as customization services. |
| Fuel Cell Markets: Directory focusing on fuel cell technologies. |
| Fuel Cell Stocks: News and education about fuel cells and the hydrogen economy. Analysis and directory of publicly traded fuel cell manufacturers and hydrogen producers. |
| Fuel Cells America: Consulting service and commissioned fuel cell sales company, focusing on the Wisconsin area. Overview of market and applications. |
| Fuel Cells Canada: Supports corporations, educational institutions and business alliances that develop and promote fuel cell technology, products and services. |
| FuelCell Energy, Inc.: Develops and markets carbonate fuel cell and advanced nickel zinc secondary battery. (Nasdaq: FCEL). |
| HTceramix SA: Swiss developer and producer of solid oxide fuel cell stacks for use with hydrogen or reformate gas. Also offers oxygen-selective ceramic membranes. |
| IdaTech: Develops technology to extract and separate hydrogen from fuels, and integrated PEM fuel cell systems. Includes technology overview, list of publications, and a glossary. |
| Medis Technologies: Develops and produces borohydride-operated fuel cell technology for portable electronic devices, as well as cell-based medical diagnostic equipment. Currently offers disposable and refuelable power pack products. |
| Mesoscopic Devices, LLC: Designs, fabricates and integrates portable fuel cell generators for military and industrial applications. Pumps and heat exchangers. Specializing in components for miniature fuel cells. |
| MTU CFC Solutions: Develops and manufactures stationary carbonate fuel cells for generating power and heat. Overview of technology, applications, and demonstration projects. Located in Germany. |
| Proton Motor Fuel Cell GmbH: Developer and producer of low pressure PEM fuel cell systems, in the 5-150 kW range. Also develops fuel cell propulsion systems. Located in Germany. |
| Shanghai Shen-Li High Tech Co.: Develops, manufactures, and markets PEM fuel cell products. |
| Silverwood Energy: California corporation selling and installing hydrogen fuel cells for commercial and residential markets. Representative of Plug Power. |
| Sulzer Hexis AG: Developer and producer of fuel cell systems presents its Galileo line of solid oxide fuel cells operating on natural gas. Overview of company, technology, and products. |
| TVN Systems, Inc.: Developers of PEM fuel cells, offering membrane-electrode assemblies, research-scale fuel cell stacks, and gas diffusion electrodes. |
| UTC Fuel Cells: Develops fuel cells and related fuel processing technologies for the transportation, stationary and portable markets. Subsididary of United Technologies Corporation. |
| Ztek Corp.: A planar type of solid oxide fuel cells (SOFC), is being developed and marketed for distributed and central utility electric generation, commercial cogeneration, space power applications and transportation. |
| ZTEK Corporation: Manufacturer of solid oxide fuel cells targeted at stationary power and transportation markets. Also offers steam-hydrocarbon reforming technology for upstream hydrogen generation. |