IC Corporation is a wholly owned subsidiary of International Truck and Engine Corporation. IC Corporation is an integrated school bus manufacturer. The company produces school bus chassis, mid-range diesel engines, medium trucks, heavy trucks and severe service vehicles and is a provider of parts and services sold under the International brand. The company s buses offer a number of protective advantages, including panoramic sightlines that give drivers a more commanding view of the road, crossing arms with controls located behind the bumper and a wide entryway that gives the driver a clear view to the curb. IC Corporation has headquarters in Conway, Ark.