Someone from this number has called me two nights in a row at almost 9 pm when I am trying to get my children in bed so I haven't been available to answer.  They leave no message.  If it is a legitimate business call, it needs to be made during regular business hours or at the very least no later than 7 pm.  Plus they need to leave a message if I don't answer.  Otherwise, I'm going to assume it's a scam of some sort.