The IMR Enduron line is made in Canada. It’s sent to the US for packaging and then re-sold to us by Hodgdon.
Yes. General Dynamics manufacturers powder in Quebec. This location has been around for 100 years at least with several different owners.
Here is what I posted a while back about the Cdn plant.
https://www.24hourcampfire.com/ubbt...munition-produced-in-canada#Post16867011