If you're willing to pay for it, a company I worked for switched from Google Maps to TomTom maps, and TomTom does offer aerial image maps. I don't remember the

If you're willing to pay for it, a company I worked for switched from Google Maps to TomTom maps, and TomTom does offer aerial image maps. I don't remember the specifics of exactly how much cheaper TomTom was vs Google Maps, but I remember it being on the order of an 80% discount.