Century Signs, Inc. Serving Illinois, Missouri and Iowa for 34 years. The Areas Premier Sign Manufacturer & Sales, Installation and Service. Electronic Message Center Sales and Service of most brands. Major I.D. Lighted Signage, Channel Letters, Custom Design and Fabrication, Flag Poles, Neon, Vehicle Lettering, Large Format Printing and More! Our Onsite Services include Crane Service up to 120', Neon Repair and Electric Sign Repair. Phone Orders, Service Calls, Commercial, Emergency Service, and Free Estimates. Bonded, Certified, and Insured. References and Testimonials.