Since 1985, Apple Steel Rule Dies has been serving as one of the largest steel rule die manufacturers in the United States. The firm manufactures magnetic flexible dies, magnetic cylinders, anvils, printing cylinders, envelope systems and other related products. It serves in the areas, including Wisconsin, Massachusetts, California, Florida and South Africa. The firm also specializes in manufacturing flexible circuits, displays, folders, gaskets, heat sealing, labels, decals, nameplates, overlays, membrane switches, packaging and vacuum forming.