In the early days of automatic laundry appliances, Zenith was a Beam-made washer. The rear of the drum and the air flow pattern through the door look like old Speed Queen dryers, when there was a door-mounted lint filter.
There is an address for Zenith from 1960:
Zenith Machine Company
Subs if Marshall-Wells Co.
312 Lake Ave.
S. Duluth, MN
So this Zenith factory was not that far from Canada. There might have been cross-border business, but I'm not saying that there was. Then again, it might be like some other old names that get brought back to life and attached to products with no connection to the past for use in modern times, like that Hamilton Beach Freezer at Costco.
When I had my paper route, a customer who worked for Beck and Gregg Hardware had a Zenith washer because they sold them, but I never got into their utility room to inspect it. Another customer who had no connection to the wholesale hardware company had a Zenith washer, but got rid of it for a V12 GE before I ever saw it.