factory established in the town in 1926 as the British subsidiary of an American company.
* Shelvoke and Drewry, a manufacturer of dustcarts and fire engines which was founded in the town in 1922 and traded until 1991.
* Westinghouse Morse Chain Company, making parts for engines, set up in Letchworth in 1920, later becoming part of Borg-Warner after the Second World War.

The