Canadian Westinghouse Co. Limited was established in Canada in 1903. At one point employing 11,000 people in Hamilton Ontario. Items produced were electric motors, generators, turbines, rail equipment, engines, industrial components as well as consumer electronics and components.

Canadian Westinghouse

Princess St Hamilton, Ontario

A wide range of tubes were made for Canadian Westinghouse by the Radio Valve Company Ltd from c. 1927 until well past World War Two. Some just carried the Westinghouse brand and some with "Made in Canada for Westinghouse".

Radio production started in Plant #1 at 286 Sanford Avenue N. in Hamilton about 1923 with the Aeriola Senior. Production continued there until about 1941. In 1945 radio production was moved to Plant #2 on the corner of Longwood Road and Aberdeen Avenue. In the late 1950's solid-state radio and television production began in Brantford Ontario.
Some radios were also manufactured at 285 Beaver Hall Hill in Montreal QC, however it is not known if this location was ever mentioned on any name plates. Radio and radio parts production ended sometime in the early to mid 1960's.