2. UPS (United States): 57,000 vehicles
3. Amazon (United States): 40,000 vehicles
4. Walmart (United States): 30,000 vehicles
5. Deutsche Post DHL (Germany): 25,000 vehicles
6. China Post (China): 20,000 vehicles
7. Japan Post (Japan): 15,000 vehicles
8. Royal Mail (United Kingdom): 10,000 vehicles
9. India Post (India): 10,000 vehicles
10. United States Postal Service (United States): 10,000 vehicles