Crystal IS manufactures high-performance LEDs that emit ultraviolet (UV) light to disinfect water, air, and surfaces in various applications. Founded in 1997 to develop and commercialize Aluminum Nitride substrates, Crystal IS is headquartered in upstate New York with R&D and manufacturing operations in Japan. We work with industry leaders across water, air, and healthcare markets to provide mercury-free disinfection that enhances and sustains life and living worldwide.