Offer to put logos on the roof (or in the lawn) of your customers. Align them east-west such that aerial photos will pick them up. What says FedEx, this:

Quickly, where is the UPS depot here?

(here’s the answer, on the same scale).
As someone that uses mobile maps (from Google, Yahoo!, and Microsoft), this would make them about a million times more useful. That said, I have no interest in getting into the roofing business (or landscaping), so someone else can take this ball and run with it. Just throw me some scraps when you’re at the table, OK?

