U.S. companies say Canadian retailers are turning away products

In case they didn't get the memo: That's the plan.

Also, if they have a problem with it, they can blame their Dear Leader. Better yet, they can do something about their Dear Leader.

Wait until the US government tries to classify the act of boycotting as "foreign trade barrier". https://www.ctvnews.ca/montreal/article/quebecs-bill-96-classified-as-foreign-trade-barrier-by-us-government/