Originally, home of the Load King Headquarters, Load King has been producing first-class trailers and other heavy equipment since 1956 in Elk Point, the state’s southernmost region. Cutting-edge innovation and engineering excellence make us the market leader in trailers and dump trucks, mechanics bodies with the Voyager series, water trucks, and roofing conveyors. As a vital part of the Custom Truck One Source family of brands, we offer a complete line of custom designs and standard model trailers and other equipment through our world-class dealer network.