Top 10 Things to Consider When Choosing a GPS Provider for Your Fleet – Trackimo
Agranii
Download - How to Select a GPS Provider for your Fleet - Fleetio
10 Best GPS Navigation System Providers - GISuser.com
GitHub - IndoorLocation/gps-indoor-location-provider-ios: Allows the GPS to be used with IndoorLocation. The location does not provide the floor and the accuracy is pretty bad inside buildings.