Vehicle manufacturing companies disestablished in 1928

Turcat-Méry was a French motor manufacturer from 1899 until 1928. It is now celebrated as the marque that won the inaugural Monte Carlo Rally, but in its prime it was also known for Grand Prix racing and for producing The Car of the Connoisseur. Prior to World War I it was closely associated with the Lorraine-Dietrich company. thumb|right|250px|1906 Turcat-Méry

defunct American motor vehicle manufacturer

The Loening Aeronautical Engineering Corporation was founded in 1917 by Grover Loening and produced early aircraft and amphibious aircraft. After it merged with Keystone Aircraft Corporation in 1928, some of its engineers left to form Grumman and Grover Loening went on to form a new enterprise, Grover Loening Aircraft Company.

American automobile

defunct German motor vehicle manufacturer

defunct American motor vehicle manufacturer

British motorcycle manufacturer