Champion Bus was founded as Champion Home Builders in 1953, and entered the commercial bus business in 1981. Thor Industries acquired Champion Bus from Champion Enterprises of Auburn Hills, Michigan in February, 1988. Champion is located on 73 acres just outside Imlay City, MI, with nearly 200,000 square feet of manufacturing and office space. A primary employer in Lapeer County, Champion performs all manufacturing, engineering, compliance, research and development, aftermarket service, sales and marketing in its location near Imlay City. Since 1999, Champion has been ISO certified and is currently registered as ISO 9001:2000. Champion was also the first bus company to be QVM certified by Ford Motor Company.