June D. Maule was the CEO and exclusive owner of Maule Air, Inc., the world-renowned manufacturer of Maule STOL airplanes. She was the wife and business partner of the late B. D. Maule, aircraft designer and manufacturer. For 55 years she operated, with her late husband, the administrative aspect of Maule aircraft and aircraft parts manufacturing facilities. There have been approximately 2,150 Maule airplanes built since 1940. Maule worked daily through her 80s except when attending club meetings or hosting missionaries and dignitaries. She died in 2009.