The Canada Malting Company Plant in Toronto stands proudly at the foot of Bathurst Street. Ancient Silos were some of the first in the city to be constructed of concrete rather than wood. To better able withstand the explosive nature of grain dust. The last time I visited the place was back in October of 2007.
These are much more recent.
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Oh and Canada Malting Company, still in operations: http://canadamalting.com/