| Business | Phone |
| Manufacture's Custom Products 7545 S Madison St 25, Willowbrook 60527 | (630) 986-9686 |
| Owens-Illinois 6327 Martin Dr, Willowbrook 60527 | (630) 321-9650 |
| Package Works 10s531 Madison St, Willowbrook 60527 | (630) 734-8570 |
| Pilcher-Hamilton Corp 6845 Kingery Hwy, Willowbrook 60527 | (630) 655-8100 |
| Plastic Group 7409 S Quincy St, Willowbrook 60527 | (630) 325-1210 |
| Wolff Walsrode 7330 S Madison St, Willowbrook 60527 | (630) 789-8440 |