888-310-1265 Topps Manufacturing (888) 310-1265 109 South Main Street Platte, South Dakota 57369 (605) 337-3633 - plant Auto Trac, Owner 502 Turney Ave. Fairfax, SD 57335 605-654-9056- office Ag Toppers - A steel lid custom built to fit your gravity wagon, fertilizer spreader, tender truck or any ot...