Ballard Power Systems Inc. (Ballard) is engaged in design, development, manufacture, sale and service of fuel cell products for a variety of applications, focusing on motive power (material handling and buses) and stationary power (back-up power and distributed generation). It is also engaged in proton exchange membrane (PEM) fuel cell development and commercialization. The Company provides engineering services for a variety of fuel cell applications. It operates in two segments: Fuel Cell Products and Material Products. Its product and services include fuel cell stacks, fuel cell modules, material products, and engineering services. Its subsidiaries include Ballard Material Products Inc., Dantherm Power A/S, AFCC Automotive Fuel Cell Cooperation Corp. (AFCC) and BDF IP Holdings Ltd. In August 2012, it acquired key assets from IdaTech.