| Business | Phone |
| Bank Calumet 6001 Broadway, Merrillville 46410 | (219) 980-6260 |
| Bank Calumet 611 Us Highway 30, Merrillville 46410 | (219) 685-5555 |
| Bank Calumet 7201 Taft St, Merrillville 46410 | (219) 756-7822 |
| Bank Calumet 7900 Broadway, Merrillville 46410 | (219) 769-3000 |
| Bank Calumet 9111 Taft St, Merrillville 46410 | (219) 769-6151 |
| Bank One 1000 E 80th Pl, Merrillville 46410 | (219) 738-6000 |
| Bank One 1837 E 80th Ave, Merrillville 46410 | (219) 738-4254 |
| Bank One 6790 Broadway, Merrillville 46410 | (219) 738-4237 |
| Bank One 7925 Taft St, Merrillville 46410 | (219) 738-4364 |
| Bank One 8585 Broadway, Merrillville 46410 | (219) 738-4180 |
| Centier Bank 6110 Broadway, Merrillville 46410 | (219) 884-2962 |
| Centier Bank 8310 Broadway, Merrillville 46410 | (219) 769-4231 |
| Fifth Third Bank 6760 Broadway, Merrillville 46410 | (219) 769-3481 |
| Fifth Third Bank 8477 Broadway, Merrillville 46410 | (219) 769-7622 |
| Horizon Bank 2450 W Lincoln Hwy, Merrillville 46410 | (219) 736-0969 |
| Loan Zone 15 W 80th Pl, Merrillville 46410 | (219) 756-5162 |
| Mercantile National Bank Of In 7701 Broadway, Merrillville 46410 | (219) 769-7700 |
| National City Bank 8001 Broadway, Merrillville 46410 | (219) 769-6216 |
| Peoples Bank 7915 Taft St, Merrillville 46410 | (219) 796-9000 |
| Peoples Bank 8600 Broadway, Merrillville 46410 | (219) 685-8600 |
| Pinnacle Bank 8400 Louisiana St, Merrillville 46410 | (219) 660-4895 |