Circa 1983 I delivered pizzas for Dominoes. I carried a 9mm Browning Parabellum against all rules of Dominoes. It is much better to be fired than to be dead.
And NOBODY knew.
Never seen unless needed.
I remember seeing railroad crew with sidearms working a drag freight in Anaheim SoCal. This is commifornia where anything gun-shaped triggers people, and these guys are open carrying at work. NOT rail police, either; Brakemen types.
Ya do whatcha gotta do, tho.