Stoughton Trailers designs and manufactures a variety of conventional and intermodal transportation equipment and related products for commercial and industrial clients. Its products include chassis, trailers, containers, drop frames, dry vans, couplers, ladder assemblies and grain haulers. The company offers engineering, fabrication, welding, painting, axle alignment, assembly tooling, product inspection, and trailer and suspension assembly services. It additionally provides sales, marketing, inventory control, repair and trailer leasing services. The company operates a more than 680,000-square-foot manufacturing plant and produces over 20,000 units annually. It also maintains a nearly 45,000-square-foot parts facility that supports a network of trailers dealers, repair shops and fleet customers throughout North America. The company produces and supplies a range of spare and repair parts through Stoughton Parts Sales. Stoughton Trailers is a subsidiary of STI HOLDING.