Fuel Cell System Publicly Traded Companies in the United States

Plug Power - FuelCell Energy, Inc. - Proton Energy Systems, Inc. -

Plug Power

Plug Power's fuel cells are energy machines for homes. Our refrigerator-sized fuel cell system runs on natural gas or propane and provides enough electricity for your entire home. Our fuel cells will save consumers money and help clean up the environment while providing outage-free electricity.

FuelCell Energy, Inc.

FuelCell Energy, Inc., formerly Energy Research Corp., is a world-recognized leader in the field of high efficiency fuel cells for electric power generation. The Company's Direct FuelCell technology takes the inherent attractiveness of fuel cells one step further by eliminating the external fuel processing to extract hydrogen from a hydrocarbon fuel. This results in a simpler and more efficient system compared with conventional fuel cells. FuelCell Energy is based in Danbury, Conn.

Proton Energy Systems, Inc.

Located in a modern 100,000 square foot manufacturing facility in Wallingford, CT, Proton Energy Systems, Inc. (PROTON) is dedicated to the manufacture of cost effective Proton Exchange Membrane (PEM) hydrogen products using state-of-the-art engineering and manufacturing processes.

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Momentum Technologies LLC

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