St. Louis Aircraft Corporation
 St. Louis Aircraft Corporation was an American aircraft manufacturer founded in September 1917.In 1915 the St. Louis Car Company had been approached by Thomas W. Benoist to build 1000 flying boats. A prototype was built but the concept did not into production.In 1917 The United States government needed to form a production interest for World War I aircraft production needs. The St. Louis Aircraft Corporation was founded by A.J.