| Business | Phone |
| Alcan Chemicals 525 S Washington St, Naperville 60540 | (630) 527-1213 |
| Global Chemical Resources Po Box 8, Naperville 60566 | (630) 717-0138 |
| Bard Biochemical 127 S Washington St, Naperville 60540 | (630) 355-1553 |
| Brook Chem 1770 Park St 109, Naperville 60563 | (630) 369-7300 |
| Delta Products Group 5s505 Gordon Ter, Naperville 60563 | (630) 357-5544 |