Channel Letter and Backlit Signs With as much as 85% of all retail firm's business attracted by the signage out front, we take this part of our work very seriously. Exterior electrical wall mounted signage can take many forms, but always requires a careful attention in maintaining technical excellence and achieving visual effectiveness. Remaining true to your graphic standards and marketing objectives, we use a number of state-of-the-art technologies and materials to design, produce and install your visual identity — signage.   Click image for larger view.