Stoughton Trailers, LLC. Manufacturer of High Quality Dry Vans. All types Vans, Double Vans, Containters, Chassis, Dollies, Flatbead, Furniture Vans, Z-Plate Vans, Steel-Plus 25 Vans. Stoughton Trailers combines leading edge technology along with state-of-the-art materials to design, manufacture and market standard and customized Semi Trailer Vans, Containers, Chassis and Flatbeds.