From ArborWiki

411 W. Cross St., Ypsilanti, MI 48197

City Printing is an offset printing company that has been in Ypsilanti since 1928 and at their current location on West Cross for a quarter century.

What is "offset printing"? Generally, a process for printing paper products, such as letterhead or business cards - a detailed definition of the process is available on Wikipedia: http://en.wikipedia.org/wiki/Offset_printing