| Business | Phone |
| Area Sheet Metal 2801 W 9th Ave, Gary 46404 | (219) 977-1090 |
| Refax Inc 3240 W 5th Ave, Gary 46406 | (219) 977-0414 |
| Republic Engineered Steel Inc 4000 E 7th Ave, Gary 46403 | (219) 939-3400 |
| Steel Search Inc 2600 E 5th Ave, Gary 46402 | (219) 743-3633 |
| Steen Machinery Svc 700 Chase St, Gary 46404 | (219) 977-4401 |
| Wheeling Corrugating Co 2nd & Mississippi Stamp;, Gary 46402 | (219) 883-6940 |