Banks and Credit Unions in Alton, IL
- 1st Midamerica Credit Union
- Alton Municipal Employees Federal Credit Union
- Altonized Community Federal Credit Union
- Associated Bank
- Bank of Edwardsville
- Bell Community Credit Union
- Carrollton Bank
- CNB Bank & Trust
- Electrogas Credit Union
- Ibew Local B-649 Credit Union
- Laclede Community Credit Union
- Liberty Bank
- Regions Bank
- State Employees Credit Union
- U.S. Bank