Harco Manufacturing Company

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Harco Manufacturing is a fabricator of premium engine exhaust silencers, as well as a provider of a line of supporting products. The company is the inventor of the low-profile hockey-puck-style engine exhaust silencer that has set the standard for compact silencer design. All Harco Manufacturing low profile and cylindrical engine exhaust silencers are available in limitless inlet and outlet configurations providing maximum design and application flexibility to meet each customer's individual needs. The company offers a product line of both diesel and natural gas engine applications. Custom engineering applications, advanced sizing technology, sound attenuation performance, design diversity and low pressure drops all represent the foundation upon which all Harco products and services are predicated and produced. Its customers include the United States Air Force, Defense Supply Agency, U.S. Coast Guard, U.S. Army Tank Automotive Command and the U.S. Navy. Harco Manufacturing in headquartered in Portland, Ore.