Rock Valley Glass has grown to become a leader in architectural glass and aluminum in Northern Illinois.
Quality Products Craftsmanship Competitive Pricing Professionalism Rock Valley Glass....Serving Northern Illinois Since 1975 Rock Valley Glass Company was founded by Donald Kennedy in May of 1975. Through his efforts and with the help of his wife and co-owner Joyce, and his sons, Dan and Dave Kennedy, Rock Valley Glass developed into one of the top glazing subcontractors in Northern Illinois....