Supreme Industries keeps businesses rolling on the road. The company builds and distributes specialized commercial truck bodies and buses, such as armored trucks, dry-freight and insulated cargo vans, service vans, shuttle buses, and trolleys. Its custom-made options include cargo-handling devices, lift gates, refrigeration equipment, and special doors and bumpers. Supreme Industries sells its lineup under the Kold King, Iner-City, Spartan, StarTrans, and other brand names. In addition to vehicle bodies, which represent most sales, the company makes Fuel Shark branded fiberglass wind deflectors. Supreme Industries' customers are truck distributors, commercial dealers, and end-users mainly in the US.