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Who We Are

We have over 30 years of combined design and content experience. We create fast, affordable graphics and signage that generate immediate interest in your company, business, or organization. We are dedicated to bringing you superior quality and innovative products with personalized hands-on planning, designing, and production.
Sierra Design Information Center

Sierra Design Signs is a custom sign and graphics shop located in Spearfish, South Dakota. We service the Black Hills and surrounding areas, including: Wyoming, North Dakota, and Nebraska.


Our in-house design experts can create any type of sign you need, whether it is a small directional sign, vinyl logo for a vehicle, or a full-color 100-foot banner. We specialize in not only signage, but graphic design, vehicle wraps, and promotional products.


We have been in the business for over 25 years. We have thousands of fonts to use and over 75 colors of vinyl available. We pride ourselves on quick, dependable and affordable service. Our custom signs, banners, vehicle wraps, and vinyl lettering have graced corporate events, golf tournaments, fundraisers, and music videos!

Graphtec and Mimaki Plotters
Mutoh Printer
Mimaki Printer
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