| Business | Phone |
| Acme Plastics Of Illinois 5711 S Claremont Ave, Chicago 60636 | (773) 436-7750 |
| Adams Foam Rubber Co 4737 S Christiana Ave, Chicago 60632 | (773) 523-5252 |
| American Acrylics Inc 4868 N Clark St, Chicago 60640 | (773) 784-7400 |
| Breaking Ground 3501 W Fillmore St, Chicago 60624 | (773) 265-1370 |
| Warp Brothers Flex O Glass Inc 4647 W Augusta Blvd, Chicago 60651 | (773) 261-5200 |
| Eager Plastics 3350 W 48th Pl, Chicago 60632 | (773) 927-3484 |
| E And C Custom Plastics 5825 N Tripp Ave, Chicago 60646 | (773) 290-5500 |
| Dike-O-Seal Inc 3965 S Keeler Ave, Chicago 60632 | (773) 254-3224 |
| Plastiform Inc 3214 S Morgan St, Chicago 60608 | (773) 523-4885 |
| U S Plastic Lumber Corp 2600 W Roosevelt Rd, Chicago 60608 | (312) 491-2500 |
| Premium Plastics Inc 900 N Lake Shore Dr 1705, Chicago 60611 | (312) 225-8700 |
| Plastics Def Inc 2023 W Carroll Ave F254, Chicago 60612 | (312) 226-4337 |
| Midland Plastics Inc 4100 N Rockwell St, Chicago 60618 | (773) 539-6900 |
| Republic Packaging Corp 9160 S Green St, Chicago 60620 | (773) 233-1443 |
| Injecto Mold Inc 840 N Western Ave, Chicago 60622 | (773) 278-7400 |
| Henderson Studio 3948 W Madison St, Chicago 60624 | (773) 722-8901 |
| Janler Corp 6545 N Avondale Ave, Chicago 60631 | (773) 774-0166 |
| P C Acrylics 3819 N Cumberland Ave, Chicago 60634 | (773) 589-9196 |
| R Popernik Co 2313 W 59th St, Chicago 60636 | (773) 434-4300 |
| Midway Industries 6750 S Belt Circle Dr, Chicago 60638 | (708) 594-2600 |
| Injecto Mold Inc 2601 N Pulaski Rd, Chicago 60639 | (800) 377-2692 |
| Lamco Advertising Specialties 4900 W Bloomingdale Ave, Chicago 60639 | (773) 622-6700 |
| Lewis Plastics Co 4257 W Drummond Pl, Chicago 60639 | (773) 486-5660 |
| Mercury Plastics 4535 W Fullerton Ave, Chicago 60639 | (773) 486-0880 |
| Regal Plastics 4535 W Fullerton Ave, Chicago 60639 | (773) 235-3800 |
| Warren Specialty Molding Inc 5416 N Broadway St, Chicago 60640 | (773) 334-8666 |
| Magenta Corp 3800 N Milwaukee Ave, Chicago 60641 | (773) 777-5050 |
| Silicone Seals Inc 3692 N Milwaukee Ave, Chicago 60641 | (773) 282-3787 |
| Petersen Brothers Plastics Inc 2929 N Pulaski Rd, Chicago 60641 | (773) 286-5666 |
| Prestige Plastics 2505 W 79th St, Chicago 60652 | (773) 471-1700 |
| Pmd Co 4535 W Fullerton Ave, Chicago 60639 | (773) 235-1796 |
| Pride Pack Inc 4200 W Diversey Ave, Chicago 60639 | (773) 794-3240 |
| Mid-West Screw Products Inc 3523 N Kenton Ave, Chicago 60641 | (773) 283-6032 |
| Plastic Studio 3550 N Knox Ave, Chicago 60641 | (773) 685-6211 |