Do they have metal detectors ? Do you have something that can be deeply concealed ,like an LCP ?
It's easier to get forgiveness than permission.
Tom Gresham has said , and I paraphrase, that there is only one other person that should even know you carry, so that if you're hurt and unable to fight, they can assume the role.
Definitely an individual choice.
I remember the first machine shop I worked in while in trade school, it seemed everyone carried to work.