| Business | Phone |
| A Enterprise Rent-A-Car 702 Rosemount Ave, Cornwall K6J 3E6 | (613) 933-7711 |
| National 1520 Vincent Massey Dr, Cornwall K6H 5R6 | (613) 933-2460 |
| Budget Rent-A-Car 453 2nd St W, Cornwall K6J 1H3 | (613) 938-0454 |
| Discount Car & Truck Rental 105 Emma Ave, Cornwall K6J 5C7 | (613) 932-5913 |