TMC Transportation is one of North America's largest flatbed trucking companies. It hauls every kind of flatbed freight from all classes of building materials and steel products to machinery. The company operates an extensive network of terminals, maintenance facilities and customer service offices throughout the country and has its headquarters in Des Moines, Iowa. TMC provides expert flatbed service and supply-chain management solutions throughout the 48 contiguous states, Canada and through-trailer flatbed service between points in Mexico over the Laredo, Texas, gateway. Its fleet is comprised of late model Peterbilt, Freightliner and Kenworth tractors accompanied by a variety of air-ride, spread-axle aluminum and steel trailers. From a single load on a particular day to dedicated lanes on a regular basis, TMC handles a variety of flatbed shipping needs.