Mendota Heights, MN – A leader in digital and offset finishing. AOS is dedicated to providing a complete line of production and on-demand finishing solutions. We provide innovative slitter/ cutter/ creasers, sheet feeders/full-bleed bookletmakers, folders, perfect binders, cutters and automatic UV coaters . AOS provides service and training to our customers. You can see our products at the following websites – www.duplousa.com.