Ballard
Ballard power systems is a world leader in the development, manufacture, sale and servicing of hydrogen fuel cells. we are leaders in the hydrogen fuel cell bus industry.
http://www.ballard.com/
ElectroChem
Electrochem inc. was founded in 1986 to provide leading edge research and development in the fuel cell industry. it holds many patents and a strong list of industry firsts.
http://www.fuelcell.com/