Gentex Corporation designs, develops, manufactures, markets, and supplies digital vision, connected car, dimmable glass, and fire protection products in the United States, China, Germany, Japan, Mexico, the Republic of Korea, and internationally. It operates through Automotive Products and Other segments. The company offers automotive products, including interior and exterior electrochromic automatic-dimming rearview mirrors, automotive electronics, and non-automatic-dimming rearview mirrors for automotive passenger cars, light trucks, pick-up trucks, sport utility vehicles, and vans for original equipment manufacturers, automotive suppliers, and various aftermarket and accessory customers; and HomeLink modules for the automotive industry. It also provides variable dimmable windows to aircraft manufacturers and airline operators.