Gentex Corporation (GNTX) is a supplier of automatic-dimming rearview mirrors and electronics to the automotive industry, dimmable aircraft windows for aviation markets, and fire protection products to the fire protection market. Gentex pioneered the electrochromic automatic-dimming mirror, which detects and eliminates dangerous rearview mirror glare, making nighttime safer for drivers around the world. Gentex mirrors are the optimal space in the vehicle for the placement of a broad array of electronic technology, and are lower in cost than designing electronics into the vehicle interior. Gentex has expanded its product line and business by creating interactive windows for use in commercial and business aircraft. The Company ships its products to all of the automotive producing regions across the world, which it supports with various sales, engineering and distribution locations across the world. Gentex is headquartered in Zeeland, MI.