Blue Bird Corporation designs, engineers, manufactures, and sells school buses and aftermarket parts in the United States, Canada, and internationally. The company operates through two segments, Buses and Aftermarket Parts. It offers Type C, Type D, and specialty buses, as well as Sigma, a bus for public transportation. The company sells its products through a network of dealers, as well as directly to fleet operators, the United States government, and state governments. It also distributes aftermarket parts of various makes. The company was founded in 1927 and is headquartered in Fort Valley, Georgia.