Wikipedia
AmTran
American Transportation Corporation (better known as AmTran) was an American manufacturer of school bus bodies. Founded in 1980, the company traces its roots back to Ward Body Works, established in 1933. Following the 1979 bankruptcy filing of Ward Body Works, AmTran was formed; in 1991, the company was acquired by Navistar International, a move that would begin a series of alignment between school bus body manufacturers and chassis suppliers. The AmTran corporate headquarters and manufacturing facilities were located in Conway, Arkansas.
In 2000, the company was rebranded as International Truck and Bus (some vehicles continued with AmTran branding). In 2002, the name was changed again to IC Corporation, and today is known as IC Bus.