Description: Hartzell Propeller is the leading manufacturer of aircraft propeller systems for general aviation, supplying propeller systems for aircraft manufacturers and modifiers around the world. We are a small, team-oriented company where individual contributions are encouraged and recognized. We are located in Piqua, Ohio, approximately 25 miles north of Dayton - the birthplace of aviation. Piqua is a community of 22,000, which offers a friendly, small-town atmosphere yet is still a