| Business | Phone |
| Addison Clear Wave 306 Beinoris Dr, Wood Dale 60191 | (630) 521-9610 |
| Hawk Research 780 Aec Dr, Wood Dale 60191 | (630) 238-8507 |
| Masters Chemical Co 890 Lively Blvd, Wood Dale 60191 | (630) 238-9292 |
| Venus Laboratories Inc 855 Lively Blvd, Wood Dale 60191 | (630) 595-1900 |