| Business | Phone |
| American Grading 133 Hunters Cir, Schaumburg 60193 | (847) 895-3203 |
| Eagle Drilling Inc 502 Morse Ave B, Schaumburg 60193 | (847) 352-1650 |
| Marubeni Itochu Steel America 20 N Martingale Rd, Schaumburg 60173 | (847) 240-0617 |
| Premium Concrete 502 Morse Ave, Schaumburg 60193 | (847) 923-0794 |
| Schuepfer Inc Schaumburg 60193 | (847) 923-1221 |
| Skf Steel Inc 2500 W Higgins Rd, Schaumburg 60195 | (847) 885-3809 |