The company was founded in 1931 in Upper Montclair by inventor Allen B. DuMont, with its headquarters in nearby Clifton.
In 1958, John Kluge bought Paramount's stake in Metropolitan Broadcasting, renaming it to Metromedia.
Robert Noyce, founder of Intel, originally worked for DuMont Labs as an engineer.
DuMont Labs TVs outside the US were assembled under license in Montreal, Quebec, Canada by Canadian Aviation Electronics, currently a manufacturer of flight simulator and pilot training equipment.
On April 18, 2012, a US federal trademark registration was filed for "Allen B. DuMont Laboratories, Inc." by Alan Levin of Cabin John, Maryland.