Tires: Goodyear

Name: Goodyear
Products: Passenger and light truck tires
Manufactured In: Napanee, Ontario and Medicine Hat, Alberta
Where to Buy: Tire shops across Canada
Canadian Owned: No

Goodyear employs about 750 people in Napanee and 300 in Medicine Hat making tires for cars and light trucks.

It appears that tires made in Napanee will be molded with the code DOT 4B in the sidewall, while Medicine Hat tires will have DOT PC. Example image here.