Harper Engineering Company Email Format

Aviation and Aerospace Component ManufacturingWashington, United States51-200 Employees

Harper Engineering Company designs and manufactures interior hardware for commercial aircraft. Operating in the aviation and aerospace components sector, it pursues vertical integration to manage quality across its design and manufacturing processes. The company is based in Renton, Washington, with a second location in Kent, Washington.

Its products target the interior systems market of commercial aviation, supplying hardware that supports functional and reliable aircraft interiors. In 2023, Biz Journals noted Harper Engineering as a top supplier in its category, indicating industry recognition of its capabilities. In 2026, Harper Engineering was acquired by Loar Holdings.

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