The Sign Authority in Wheaton, Illinois helps businesses find the signs that meet their needs and budget. Our design team is here to help you market your business through all types of signage. We are your one-stop resource for professional, quality signs. • Trade Show Graphics and Displays • Digital and Vinyl Banners • Vehicle Graphics * Interior Signs * Exterior Signs * ADA (Compliance) Signs * Large Format Digtal Printing * Monument Signs * Lawn Signs * Custom Wallpaper & Murals