Share: Glass/Glazing Contractors Illinois Contract Glazing, Inc. Visit Website 3600 16th Street Zion, IL 60099 (847) 731-8804 (847) 731-8812 (fax) www.icglazing.com About Map About ICG is a full service glass and aluminum contractor. Our services include sales, engineering, shop drawings and fabrication. No job is too big or small. We specialize in curtain walls, store fronts an What's Nearby? Distance: 5 10 15 20 25 50 mi.