Plug Power Inc., a development stage company, engages in the design, development, and manufacture of fuel cell systems for industrial-motive and stationary power markets worldwide. It focuses on proton exchange membrane (PEM), fuel cell, and fuel processing technologies, as well as on fuel cell/battery hybrid technologies. The company offers GenDrive, a hydrogen fueled PEM fuel cell system to provide power to industrial vehicles; and GenSys, a natural gas or liquid petroleum gas fueled continuous power system, as well as a high-temperature polybenzimidazole combined heat and power fuel cell system for light commercial and residential applications. It also provides manufacturing and sales support to its GenCore product, which is a hydrogen fueled PEM fuel cell system to provide back-up power to businesses and governments in critical infrastructure, as well as develops technology in support of the automotive fuel cell market. The company sells its products through its direct sales force, as well as original equipment manufacturers and their dealer networks to business, industrial, and government customers. Plug Power Inc. was founded in 1997 and is based in Latham, New York.