We get them all the time, I have started reversing the conversation and telling them thanks for calling because we have been trying to update our info, this really confuses them. I ask the name of the company and where they are located (the guy actually told me Asia). Once I ask for there address they tell me they could not provide that info to me, so I told him neither could I. It's way more fun that getting mad about it, it actually makes my day better when they call.