| Business | Phone |
| Interpolymer Corp Carol Stream 60188 | (630) 260-1142 |
| Nappi & Assoc Po Box 87245, Carol Stream 60188 | (630) 469-1471 |
| Quantum Chemical Co 1293 Yorkshire Ln, Carol Stream 60188 | (630) 293-7006 |
| Sales & Svc Enterprises Carol Stream 60188 | (630) 668-7738 |