McDonald Supply

McDonald Supply is a full line plumbing and heating wholesale distributor in the tri-states.  We carry the latest styles in plumbing fixtures/supplies and HVAC equipment/supplies.
With our location in Dubuque near the Mississippi River, we are able to serve contractors and homeowners in Iowa,Wisconsin and Illinois.

McDonald Supply has been a fixture in Dubuque, Iowa for over 150 years. With our excellent service and knowledgeable staff, let us be the 1st choice for all of your plumbing and heating needs.