Harmon Sign Detroit
Harmon Sign is Detroit's premier sign company, producing some of Detroit's most iconic signage. Located in Novi, Michigan Harmon Sign services a 100 mile radius with our own installation crews.
If you have a project in the Detroit Metro area please call Harmon Sign today at 248-348-8150
Harmon Sign, Inc.
46593 Grand River Ave.
Novi, Michigan 48374