[Vandalay Industries]

creepedout.ca is a good Canadian on-line retailer. Not as much selection but the prices are in Canadian dollars and the owner Victoria is super helpful.

 

[doto]

Here's a couple more to add to your search.

https://ripstershalloweenshop.ca/

http://www.thomasfx.com/halloween-supplies.html

http://amazingpartystore.com/seasonal-party-supplies/seasonal-halloween-decor.html

http://www.monsterblowout.com/