| Business | Phone |
| Astro Plastic Containers 6735 S Harlem Ave, Chicago 60638 | (708) 458-7100 |
| Captive Plastics Inc 6639 N Hiawatha Ave, Chicago 60646 | (773) 775-9950 |
| Continental Packaging Sltns 230 W Monroe St 2400, Chicago 60606 | (312) 666-2050 |
| Graham Packaging 5000 S Major Ave, Chicago 60638 | (708) 594-4955 |