Persons Helping People-Solar Oven Society

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.

Owens Corning Corporation is the world's largest manufacturer of fiberglass and related products. It was formed in 1935 as a partnership between two major American glassworks, Corning Glass Works and Owens-Illinois.

Tennant Company, based in Minneapolis, MN, is a recognized leader in the cleaning industry, specializing in high-quality floor cleaning equipment designed to create cleaner, safer, and healthier environments. The company offers a comprehensive range of commercial and industrial solutions that enhance efficiency, reduce costs, and ensure safe cleaning spaces. With a commitment to innovation, Tennant provides advanced technologies, including autonomous robotic cleaning equipment and lithium-ion battery solutions, to revolutionize cleaning programs. The company is dedicated to sustainability, having enabled the cleaning of 97 trillion square feet of shared space in 2023 while being ranked among the world's best companies in sustainable growth. Generated from the website