Established in 1957, TODCO is one of the leading producers and manufacturers of doors in the United States. The company offers variety of overhead, swing and shutter doors, as well as walk ramp. It maintains several manufacturing plants in Marion and Upper Sandusky, Ohio, and Fresno, Calif. TODCO provides several door parts, including single-spring counterbalance, rivets, self-adjusting security locks, panels, fasteners, seals and cables. The company also offers ToughShell coating that helps in the elimination of paint-related problems. It provides products from CityCargo, FleetStar, PolarGuard and Rollarramp brands. TODCO offers an owners manual that features order replacement, safety, preventative maintenance, repair and installation instructions. In addition, it offers refrigerated and dry freight doors. TODCO designs and conducts trade shows for the National Truck Equipment Association and SYSCO.