2018 | 2017 | Name | Country | 2018 | 2017 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | Enterprise | United States | $5,410M | $5,313M | AA | AA |
| 2 | 2 | Hertz | United States | $2,292M | $2,338M | AA | AA |
| 3 | 3 | Avis | United States | $1,937M | $1,703M | AA- | AA- |
| 4 | 5 | Europcar | France | $752M | $614M | A+ | AA- |
| 5 | 8 | Sixt | Germany | $643M | $357M | A | A- |
| 6 | 6 | National Car Rental | United States | $613M | $580M | A | A |
| 7 | 4 | Budget | United States | $607M | $723M | AA- | AA- |
| 8 | 7 | Alamo Rent a Car | United States | $515M | $506M | A | A |
| 9 | 9 | Thrifty | United States | $338M | $349M | AA | AA |
| 10 | null | Localiza Rent A Car | Brazil | $256M | $0M | A+ | null |