Greyhawk Signs is now a fully registered trademark with the United States Patent and Trademark Office. Customers can buy from Greyhawk Signs, certain of the source of goods and services they purchase.

Greyhawk Sign’s trademark rights are in connection with electric and electronic signs, LED signs, luminous signs, retail sign services, sign installation and sign repair, electrical repairs and installation of signs, and custom sign manufacturing. Greyhawk Signs specializes in metro Denver signs, custom signs, business signs, exterior building signs, and is based in Littleton, CO. The company manufactures, installs and repairs channel letter signs, lighted sign cabinets and dimensional letters for outdoor business signs as well as interior lobby signs and offices. Surveying and permitting are provided.

For sign services, please contact Greyhawk Signs at 303-946-0124 or at