| Business | Phone |
| American Bank 1802 Horicon St, Mayville 53050 | (920) 387-8787 |
| Hometown Bank 1440 Horicon St, Mayville 53050 | (920) 387-9123 |
| M & I Bank 209 Horicon St, Mayville 53050 | (920) 387-2200 |
| Mayville Savings Bank 200 S Main St, Mayville 53050 | (920) 387-2310 |
| Tsb Bank 935 Horicon St, Mayville 53050 | (920) 387-4800 |