Double A Roofing & Siding serves all of Northern Illinois and Southern Wisconsin. Check out the cities we can serve below. These cities include Rockford, Illinois, DeKalb, Illinois, Belvidere, Illinois, Beloit, Wisconsin, Janesville, Wisconsin, Madison, Wisconsin, and Milwaukee, Wisconsin. We consider ourselves the best roofing contractor in the area. Contact us today to see if we can repair or replace your roof.