| Business | Phone |
| Cargill Steel & Wire Inc 3777 Canal St, East Chicago 46312 | (219) 392-3400 |
| Multi Serv 3236 Watling St, East Chicago 46312 | (219) 399-3506 |
| National Processing Co 4506 Cline Ave, East Chicago 46312 | (219) 392-1235 |
| Northwest Management Group Inc 3001 Dickey Rd # 395, East Chicago 46312 | (219) 398-9620 |
| Robinson Steel Co 4303 Kennedy Ave, East Chicago 46312 | (219) 398-4600 |
| Simko Inc 1215 E 143rd St, East Chicago 46312 | (219) 397-2100 |
| Trai-Cor Processing Inc 4809 Tod Ave, East Chicago 46312 | (219) 397-1688 |