I don't want to mention where I work, but I carry my pistol in and out of work daily. Boss prefers I do not carry while working, but it is in a safe distance if I do need it. Just a benefit of working for a small company and a gun owner as a boss.
Our company doesn't allow them in company vehicles. When our Controller/Human Resources Manager tried to add that you could not have them in the office or on company property to our Personnel manual, I said "No way".