| Business | Phone |
| Absco 516 E 86th Ave, Merrillville 46410 | (219) 769-0605 |
| Fairfield Industrial Sales 9150 Louisiana St, Merrillville 46410 | (219) 738-2887 |
| Lynxtron Inc 8432 Indiana St, Merrillville 46410 | (219) 736-1280 |
| Zimmermann & Jansen Inc 3520 W 89th Ave, Merrillville 46410 | (219) 756-8013 |