Yes there is no reason they wouldn’t be able to. Russia is doing it with all the companies that pulled out. The McDonald’s there is still running with Russian supplies*

Historically, companies like coke during WW2 when they lost access to the syrup invented Fanta. Wasn’t the same product as it is now but they still went their own way during war times.

*I have not verified if this is still true but it was when the war began and MD pulled out.