| Business | Phone |
| Charter One Bank 8756 Macomb St, Grosse Ile 48138 | (734) 692-5050 |
| Fifth Third Bank 7799 Macomb St, Grosse Ile 48138 | (734) 671-2531 |
| La Salle Bank 8095 Macomb St, Grosse Ile 48138 | (734) 675-8330 |
| National City Bank 8825 Macomb St, Grosse Ile 48138 | (734) 671-4740 |