As a Minneapolis & St. Paul mainstay, our company has been serving Ramsey County, Washington County and Hennepin County for 135 years. We’re Minnesota’s Original plumbing, heating and cooling company, and we’ve always remained true to our mission of providing solid, honest work at fair, upfront prices. Join the McQuillan Bros family as we continue to raise the bar and provide generations of happy customers with high-caliber plumbing, heating, AC and boiler service.