Allsigns 200 N Tollgate Rd, Bel Air, MD21014 Allsigns opened in 1990, to make signs for the local community. In 1994 it expanded to provide wholesale screen…More printing. It can do fleet and boat lettering, magnetic signs, decals, political signs and banners. After 9/11 it made 7500 flags for Walmart, so quantities are not a problem. It even makes 3-D signs.