Sparkle Sign Co. Inc. ^TM specializes in fabricating channel letters that will distinguish your business from others around you. Every set of channel letters is custom designed and fabricated, taking into consideration your building's existing architectural details. For a light source, classic neon tubing from our own Neon Plant or high efficiency L.E.D. can be used. There are raceway mounted channel letters, wireway mounted channel letters, individual mounted channel letters, and projection mounted channel letters