Hydrogen Systems N.V. : Hydrogen energy
Custom-engineered hydrogen solutions.

Arizona Hydrogen
Manufactures a range of gas generators for the production of hydrogen and oxygen .

California Hydrogen Business Council
Offers hydrogen information with a slant on applications in California.

Proton Energy Systems Inc.
Manufacturer of proton exchange membrane (PEM) electrolyzers and fuel cell products.

International Fuel Cells
Develops fuel cells and related fuel processing technologies for the transportation, stationary and portable markets. IFC fuel cells power plants provide power to the space shuttle orbiter fleet. IFC is a subsididary of United Technologies Corporation (UTX).

The Hydrogen & Fuel Cell Investor
Hydrogen, fuel cells, and investing in an emerging technology. Links to the information available on the Internet.

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.

Stuart Energy Systems
Provides onsite water electrolyzers, which use alkaline electrolysis to supply hydrogen for transportation, industrial and regenerative power applications.

Energy Consultants, LLP
Offers business advisory services for harvesting revenue from fuel cell, hydrogen, wind power and other emerging energy or renewable energy technologies.

PowerNova Technologies Corporation
Develops and commercializes hydrogen production technology for fuel cells.

Hydrogen Ventures
Financing hydrogen and new energy technologies

HydrogenSource -- Fuel processing for fuel cells
Manufacturer of natural gas, gasoline and other hydrocarbon reformers which produce hydrogen.

General Hydrogen
Develops technologies and invests in companies for hydrogen infrastructure.

Atomic Hydrogen Source
The H-flux Atomic Hydrogen Source thermally dissociates hydrogen in an electron bombardment heated tungsten capillary. Used for surface science and thin film technology.

Elettronica Todescato
Production generators of hydrogen and oxygen that produce the two gases with the solo use of electric energy and water.

H2Gen Innovations Inc.
Dedicated to developing, manufacturing and bringing to market low-cost, small-scale hydrogen generators for industrial applications and for the emerging fuel cell vehicle and distributed fuel cell power generation markets.

Quantiam Technologies Inc.
Focused on the development and commercialization of new products for the hydrogen economy as well as extreme materials applications in the aerospace, automotive and chemical process industries.

Norsk Hydro Electrolysers
Manufacture of alkaline electrolysis hydrogen generators, based in Norway.

Annual U.S. Hydrogen Conference
Annual meeting of the National Hydrogen Association, covering many of the emerging research and developments in hydrogen technologies, such as fuel cells, storage, and hydrogen production.

Fuel Cell Markets
Directory focusing on fuel cell technologies.

USMagneGas, Inc.
Producers of Magnegas from liquid waste with Santilli PlasmaArcFlow Reactors producing clean burning Magnegas, heat, and irrigation water.

FuelCell Energy, Inc.
Develops and markets carbonate fuel cell and advanced nickel zinc secondary battery. (Nasdaq: FCEL).