The facility was known as Diamond-Star Motors and was initially a joint venture with Chrysler, however Chrysler sold its stake in the plant to Mitsubishi in 1993. After 1995 the facility was known as Mitsubishi Motors Manufacturing America (MMMA). At its peak in 2000, the facility produced over 222,000 vehicles per year, however following the decline of Mitsubishi in North America, the plant operated well below capacity for years.