National Excelsior Company, 8756 W 35W Service Dr NE, Minneapolis, MN 55449, US

Since 1972, Xchanger has designed and manufactured heat exchangers for processing & industrial applications. Headquartered in Hopkins, Minn., Xchanger s manufacturing facility is supported by sales, engineering, research and testing capabilities. The company operates a network of representatives to handle sales, service and support throughout the world. Xchanger s free flowing air-to-liquid heat exchangers are found in every industry that uses vacuum pumps, rotary lobe or multi-stage centrifugal blowers to remove heat of compression, dehumidify and heat air streams. Air cooled heat exchangers manufactured by Xchanger are used in diverse applications from aftercooling engine turbo-chargers to cooling compressed air, water and other fluids. Xchanger's condensers prevent vapor emissions from storage tank and reactor vents. The company is privately owned and employs nearly 10 people.