Plug Power Inc., an alternative energy technology provider, engages in the design, development, manufacture, and commercialization of fuel cell systems for the material handling and stationary power market in the United States. The company focuses on proton exchange membrane (PEM) fuel cell and fuel processing technologies, and fuel cell/battery hybrid technologies. Its product line includes GenKey, a turn-key solution for transitioning material handling vehicles to fuel cell power; GenDrive, a hydrogen fueled PEM fuel cell system that provides power to material handling vehicles; GenFuel, a hydrogen fueling delivery system; GenCare, which is an ongoing maintenance program for GenDrive fuel cells and GenFuel products; ReliOn, a stationary fuel cell solution that provides scalable and modular PEM fuel cell power to support the backup and grid-support power requirements of the telecommunications, transportation, and utility sectors; and GenFund, which offers financing solutions to customers. The company sells its products to businesses and government agencies through direct product sales force, original equipment manufacturers, and dealer networks. Plug Power Inc. was founded in 1997 and is headquartered in Latham, New York.