Send out a request to transport a vehicle and list their work number on the paperwork.
I've already gotten three calls from people giving me estimates to move a vehicle from TX to PA. It's $730, if you were wondering.
I asked one guy to stop calling me and he said he would remove the number from his list, but that the request went to at least ten companies. So...I can expect at least seven more calls. Good, because I don't have anything better to do. Blerg.