About Koski

We have been installing and servicing signs for 50 years. From washing and re-lamping your sign, to installing a full-color messaging center, we have the experience and expertise to meet your needs.

In addition, we specialize in taking care of the little things that make the difference. We're the only state-licensed sign shop within 100 miles. Servicing cities and towns within a 150-mile radius such as Calumet, Houghton, Ironwood, Marquette & Iron Mountain.

"Koski Signs is reliable, honest, on time and on budget. A pleasure to do business with."

Auto Pro Glass & Tire
Houghton, Michigan

"The CCISD has used Koski Signs for outdoor and indoor signage, and we couldn't be happier with their design capabilities and service. They know exactly what we need, have helped us to better control traffic flow in our buildings, and provide quality products in a very timely fashion. They're very professional and nice to work with!"

Peggy Myllyoja, CCISD
Hancock, Michigan

"We used Koski signs for all of our outdoor signage at Vitality Chiropractic and Wellness and couldn't be happier! Their attention to detail and commitment to quality is unmatched. They went above and beyond in their service. We will be using them for years to come."

Vitality Chiropractic
Atlantic Mine, Michigan

"I would highly recommend Koski signs. The Koski’s are patient, professional and so easy to work with. They helped me create the perfect exterior (sign and window decals) for my new business and were prompt in installing it. Thanks guys!"

Embody Studio
Houghton, Michigan