Insulfoam

Founded in 1913, MacArthur Company manufacturers and distributes pipe insulation, as well as pipe insulation accessories, HVAC and roofing products. Company clients include the building industry, manufacturers, OEM and the contractor. It has offices in St. Paul and Duluth, Minn., Billings and Missoula, Mont., Sioux Falls, S.D., and Fargo, N.D. The company offers products such as adhesives, painted and coated metals, building insulation, commercial and residential roofing, duct and sheet metal connections, caulking and sealants, exhaust piping, fastening systems and fire protection products. High-temperature insulation, gaskets, cloths, roof hatches, smoke vents and skylights are also offered. The MacArthur Company is headquartered in St. Paul, Minn.

Founded in 1987, Styrotech Inc. manufactures designs and fabricates expanded polystyrene (EPS) foam. Based in Brooklyn Park, M.N., the company offers a range of products, such as general insurance, roof insurance systems, geofoam lightweight fill material, packaging display and original equipment manufacturer products, to name a few. Its products are used in insulation, protective packaging, and diverse custom applications. Styrotech Inc. possesses state-of-the-art process equipment and production techniques and is coupled with third-party certification by Underwriters Laboratories.