MacArthur Co. Email Format

Wholesale Building MaterialsMinnesota, United States201-500 Employees

MacArthur Co. is a wholesale distributor of construction materials, focusing on roofing, insulation, waterproofing, and HVAC solutions for commercial and residential projects. Founded in 1913 and based in St. Paul, Minnesota, the company operates a network of 43 branch offices across the Midwest, Mountain, and Western states. It is employee-owned and collaborates with leading manufacturers, including its subsidiaries Energy Panel Structures, WS Building Materials, and American Metals Supply, to deliver a broad range of goods and services.

The company serves contractors and builders seeking a single source for materials to support project delivery, emphasizing long-term relationships and reliability. It positions itself as a single-source supplier for roofing, insulation, waterproofing, and HVAC products. In August 2025, MacArthur Co. announced the acquisition of Sprenger Midwest Inc., indicating an expansion of its regional footprint.

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