Wixom is a city that lies in the borders of northwest Novi and southwest Commerce Township in Oakland County in the U.S. state of Michigan. The population was 13,498 at the 2010 census. The city was home to the former Wixom Assembly Plant, which produced the Lincoln LS, the Ford Thunderbird, the Ford GT, and the Lincoln Town Car. The plant closed its doors on May 31, 2007.Wixom is home to several production and manufacturing businesses, including Trijicon, a leading manufacturer of night gun sights and night telescopic sights; Discraft, a leading manufacturer of flying discs for disc sports games like Ultimate; the U.S. headquarters of spark plug manufacturer NGK; Majic Window, the worlds largest distributor of fiberglass replacement home windows; MAC Valves, Inc., a manufacturer of pneumatic valves used in the automotive and packaging industries, and Foster Specialty Floors the state's largest and oldest sports flooring contractor.