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Our History

Mr. OJ Harper, the founder of Harper Engineering Co.

Following Mr. OJ Harper's graduation from the University of Washington and successful career at The Boeing Company, he retired in 1967 with the ambition of founding what would eventually become the esteemed Harper Engineering Company. When founding his company, Mr. OJ Harper had a vision to address technical challenges in aircraft interiors. Since then we have evolved into a leading producer of mechanically engineered devices for aircraft interiors.


Mr. OJ Harper establishes Harper Engineering Co., followed by Walt Cook joining the company as its inaugural Senior Design Engineer, contributing essential expertise to the newly established company.


Harper Engineering Co. sets up its initial machining capability, laying the foundation for its manufacturing operations.


Harper Engineering Co. acquires its first CNC (Computer Numerical Control) machine, marking a significant advancement in its machining capabilities.


Harper Engineering Co. appoints Rich LaConte to the position of Senior Design Engineer, bringing valuable expertise and experience to the team.


In response to the tragic events of September 11, 2001, our team at Harper Engineering Co. undertook the mission of designing, manufacturing, and certifying bulletproof cockpit door latches, prioritizing the safety and well-being of passengers and crew onboard.


Harper Engineering Co. successfully designed and supplied a range of interior products for the Boeing 787 Dreamliner, including stowage bin latches, ceiling latches, crew rest latches, seat track fittings, and more.


Harper Engineering Co. relocated to a new facility on the 7th street in Renton, WA, expanding our operational capabilities and accommodating growth.


Harper Engineering Co. expanded our facility in Renton, WA, to meet increasing demands.


Harper Engineering Co. is honored with The Boeing Company's prestigious Supplier of the Year 2011 award, recognizing our outstanding contributions and excellence as a supplier.


Harper Engineering Co. further expanded our facility in Renton, WA, to meet increasing demands and support our continued growth.


Harper Engineering Co. opened a new facility in Kent, WA, dedicated to composites manufacturing, further enhancing our capabilities in this field.


Upon the passing of Mr. OJ Harper, a group of dedicated employees takes on the full ownership of the company, continuing his legacy and guiding Harper Engineering Co. into the future.


Harper Engineering Co. makes its debut appearance at the Aircraft Interiors Expo in Hamburg, DE, showcasing the innovative Harper Panel Fasteners to the entire industry.


Harper Engineering Co. achieved a remarkable feat by developing and manufacturing stowage bin latches for the Boeing 777X in a record time frame, demonstrating our expertise and commitment to meeting critical project demands.


Harper Engineering Co. participated in the JEC Composites show in Paris, FR for the first time, showcasing our expertise and advancements in the field of composites manufacturing.


Harper Engineering Co. unveiled its innovative new concept of the Secondary Barrier Screen at the Aircraft Interiors Expo in Hamburg, DE, showcasing our commitment to enhancing onboard safety and security.