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About Us

Employees of Harper Engineering Co. in front of the company building in Renton, WAEmployees of Harper Engineering Co. in front of the company building in Renton, WA

Founded on OJ Harper’s vision to solve technical challenges in aircraft interiors, Harper Engineering has grown into a trusted partner for aerospace design and manufacturing solutions. We help aerospace partners solve complex challenges with smart, engineered solutions. Our turnkey approach brings ideas to life quickly, delivering aircraft-certified components and composite parts that perform flawlessly on every plane, every time.In 2026, Harper Engineering was acquired by The Loar Group, expanding our ability to support customers while continuing to advance safe, reliable air travel, and the future of design in flight.

Vision

Advancing the future of flight by helping to ensure safe, reliable air travel for all.

Mission

Delivering turnkey solutions to complex aerospace manufacturing challenges with parts that perform flawlessly on every plane, every time.

Purpose

Equipping our aerospace partners to deliver customer satisfaction through a smooth flight experience.

Core Values

We put people first, embrace collaborative curiosity, adopt a can-do mindset, uphold integrity, foster individual growth for collective impact, and practice stewardship for a sustainable future.

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