Hartzell Propeller Inc. (Piqua, OH) manufactures propeller assemblies - basically every component from an aircraft's engine forward to its nose. The company, which traces its roots back to a relationship with the Wright Brothers, employs 300 people and is a high-volume production shop that runs 24/7. It produces between 350 and 400 propeller assemblies per month with each assembly constituting about 200 individual parts. Half the shop's business is producing brand new assemblies, while the other half is providing Support and spare parts.
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