| Business | Phone |
| American National Bank 1114 Ann St, Delavan 53115 | (262) 740-9015 |
| Anchor Bank 500 E Walworth Ave, Delavan 53115 | (262) 728-3456 |
| Associated Bank 709 E Geneva St, Delavan 53115 | (262) 728-6337 |
| Walworth State Bank 1221 South Shore Dr, Delavan 53115 | (262) 728-4203 |
| Us Bank 1121 E Geneva St, Delavan 53115 | (262) 728-8273 |
| Community Bank Delavan 820 E Geneva St, Delavan 53115 | (262) 728-2265 |
| Associated Bank 1823 E Geneva St, Delavan 53115 | (262) 740-2700 |
| Guaranty Bank 1819 E Geneva St, Delavan 53115 | (262) 740-7784 |
| M & I Bank 104 N 5th St, Delavan 53115 | (262) 728-2606 |