Preferred Glass Company was founded in Dubuque, IA in 2008 by home-grown, blue-collar guys with a desire to provide the area with the best commercial and residential glass and glazing available. We service all of the Eastern Iowa, Southwest Wisconsin, and Northwest Illinois area with over 60 years of combined experience in virtually all types of commercial and residential glass and aluminum products. We are committed to providing our customers with the highest quality of work for the lowest price, no matter the size of your project. If you have glass or glazing needs in the future, we would appreciate the chance to be your preferred glass company!