Plug Power Inc., an alternative energy technology provider, engages in the design, development, commercialization, and manufacture of hydrogen fuel cell systems primarily for the material handling and stationary power markets in the United States. It focuses on proton exchange membrane (PEM) fuel cell and fuel processing technologies, fuel cell/battery hybrid technologies, and related hydrogen storage and dispensing infrastructure. The company offers GenDrive, 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, GenSure products, and GenFuel products; and GenSure, a stationary fuel cell solution that provides scalable modular PEM fuel cell power to support the backup and grid-support power requirements of the telecommunications, transportation, and utility sectors. It also provides GenKey, a turn-key solution for transitioning to fuel cell power; ProGen, a fuel cell engine technology that is under development for use in mobility and stationary fuel cell systems; and GenFund, which offers financing solutions to customers. The company offers 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.