MacArthur Co.’s beginnings in 1913 as a manufacturer of pipe insulation were simply the start of what we have become today; manufacturers, suppliers and partners to the contractor. Mac Arthur Co. is the number one choice, throughout the country, for virtually all insulations and accessories from pipe insulation to HVAC to roofing products. Our philosophy of supplying only quality materials from major manufacturers and providing superior customer service make purchasing materials from MacArthur Co. the number one choice for contractors!

Our corporate headquarters is in St. Paul, Minnesota.  Coordinating our purchasing, estimating and shipping with all of our branches allows MacArthur Co. to provide the best materials at competitive prices and to deliver the product our customer needs, when he needs it!  Our staff is committed to working as a team to provide excellent service to the building industry, manufacturers, OEM and the contractor, which has enabled MacArthur Co. to continue to be number one in the insulation materials field!

Our history of growth and innovation, of staying current with the latest technology and continuing education of our team has enabled MacArthur Co. to grow into a nationally known distributor and manufacturer and maintain the reputation of being the number one supplier to construction and industry.  Always looking to the future we consistently strive to better ourselves by searching for the best products, and the newest innovations to provide the contractor the most complete service available.  With continued growth and expansion in mind we look forward to another century of successful business, with the pride and wisdom of experience.    

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