Gentex Corporation manufactures and markets digital vision, dimmable glass, connected car, and fire protection products, serving various segments and customers in the United States, Mexico, Japan, Germany, and other international locations. With Automotive Products and Other segments, the company supplies a variety of automotive mirrors, electronics, and other products to original equipment manufacturers, suppliers, aftermarket, and accessory customers. It also sells photoelectric smoke detectors and alarms, carbon monoxide alarms, and nanofiber chemical sensing products to fire protection and security product distributors and original equipment manufacturers.