By following a unique approach to start commercialization with small and simple products before entering larger and more complex applications, Horizon has emerged as the world's largest volume producer of commercial PEM fuel cell products, serving customers in over 65 countries. Horizon's wide range of capabilities has enabled the company to rapidly develop unique products with clearly defined competitive advantages over existing power or energy storage technologies, focusing on immediate to near-term commercial markets. Today, Horizon is able to produce extremely compact, lightweight, PEM fuel cells at varying degrees of complexity and performance, as well as deliver hydrogen storage and on-site hydrogen generation solutions that are suitable for many specialty and mainstream applications, including consumer electronics, portable power, stationary back-up power, aerospace systems, and clean transportation solutions.