Eh, I can't carry at work either and, really, not having it is not the worst thing in the world.
Am I a bit more aware when I leave the building after a night I have to close? Yup, I even quick step to my car if my "spidey sense" starts tingling
Not really worried about being in the building without a weapon, plenty of items I use daily can suffice if needed - letter opener, bug spray, pen/pencil, yardstick, chair, heavy book (can double as body armor/shield
) - if it is necessary, darn near anything in your immediate surrounding can be utilized as a weapon.