About Us Do you hate the thought of having to go to a dealership to get your locks fixed or your transponder key reprogrammed? Don’t you hate sitting at the dealership all day waiting for them to come and get to your keys? If you don’t want to go through the process of dealerships for transponder key repairs, then call car locksmith Dundalk MD. We are a mobile locksmith that gives each one of our customers detailed and one on one attention. We won’t make you wait for your transponder keys to be fixed. When you call us we focus solely on you and your keys.