| Business | Phone |
| 1st Source Bank 800 Indian Boundary Rd, Chesterton 46304 | (219) 926-2505 |
| American Trust & Savings 100 W Us Highway 20, Chesterton 46304 | (219) 926-7500 |
| Bank One 109 Broadway, Chesterton 46304 | (219) 926-1151 |
| Centier Bank 103 Broadway, Chesterton 46304 | (219) 926-2131 |
| Centier Bank 1600 S Calumet Rd, Chesterton 46304 | (219) 926-1161 |
| Fifth Third Bank 302 Broadway, Chesterton 46304 | (219) 926-7664 |
| First National Bank 1500 S Calumet Rd, Chesterton 46304 | (219) 926-7661 |
| First State Bank Of Porter 429 N Calumet Rd, Chesterton 46304 | (219) 926-4422 |
| Horizon Bank 423 Roosevelt St, Chesterton 46304 | (219) 929-1018 |
| Standard Bank & Trust Co 552 Indian Boundary Rd # A, Chesterton 46304 | (219) 926-6664 |