| Business | Phone |
| Avis Rent A Car 11000 Airport Rd, Dubuque 52003 | (563) 556-0656 |
| Enterprise Rent-A-Car 3250 Dodge St, Dubuque 52003 | (563) 583-8000 |
| Hertz Rent A Car 10699 Collision Dr, Dubuque 52001 | (563) 557-2020 |
| National Car Rental 11000 Airport Rd, Dubuque 52003 | (563) 583-6729 |