The IPI Sign Shop, located at the Anamosa State Penitentiary, processes thousands of sign orders each year.

The Sign Shop produces a variety of products including traffic, street, wayfinding, conservation and specialty signs, vehicle decals and markings, banners, bumper stickers, sign kiosks and decals.

Typically about 40-50 offenders work in the various areas of the Sign Shop, learning skills such as silk screening, machining, graphic arts, inventory control, shipping and receiving, quality control, and customer service. In FY2015, the Sign Shop provided over 80,000 offender training hours.