Do TourGuide files work with GPS devices from other manufacturers besides Garmin?

No, the .gpi files available on this site are meant for specific Garmin devices. These include the following Garmin devices: the nüvi™, zūmo™, and the StreetPilot® c550, 2730, 2820, 7200 and 7500. For a more complete comparison of Garmin’s devices please go HERE.