Ballard Power Systems Inc is a Canada-based proton exchange membrane (PEM) fuel cell products designer. The Company's principal business is the design, development, manufacture, sale and service of PEM fuel cell products for a variety of applications, focusing on its power product markets of Heavy-Duty Motive, Portable Power, Material Handling and Backup Power, as well as the delivery of Technology Solutions, including engineering services and the license and sale of its intellectual property portfolio and fundamental knowledge for a variety of fuel cell applications.