| Business | Phone |
| American Steel Blanking Gary 46403 | (219) 939-0911 |
| Chicago Steel & Tinplate Inc 700 Chase St, Gary 46404 | (219) 949-1111 |
| Ims Surface Conditioning 1 N Buchanan St, Gary 46402 | (219) 881-0155 |
| Industrial Steel Construction 86 N Bridge St, Gary 46404 | (219) 885-5610 |
| Metal Processing Corp 201 Mississippi St, Gary 46402 | (219) 883-5722 |