Looks like none are made in Canada. Louis Garneau used to but not anymore. https://helmets.org/madewhere.htm#%3A~%3Atext=Canada%2Chelmet+is+made+in+Canada

https://garneau.com/en-ca/

However if you’re looking for ratings on helmets, consider looking at the following: https://www.helmet.beam.vt.edu/bicycle-helmet-ratings.html!