I suspect it's more likely that it's not the radio, door handles, and the filing cabinets, etc that are 'giving off' the static, but you yourself. The simple act of walking on a certain type of carpet (synthetic) with a certain type of shoe (trainers are bad), will cause you yourself to become charged with static electricity. This will get discharged whenever you touch something that has a good connection to earth/ground. Examples of such things are... well... doors, filing cabinets and earthed electrical items such as radios :-)
Try wearing different footwear and see if the problem gets better (or even worse!). Alternatively, make a point of lightly touching office furniture (desks, chairs, etc) as you walk around, and see if the problem gets any better.
If none of this makes any diference, then maybe you are using a piece of office equipment that is becomeing charged with static, and transferring thatcharge to you. Doyou frequentlytouch your computer screen, for exampe? That often becomes charged (especially the older, non-flat screen monitors) and might be causing the problem.
Hope this helps.