| AIAde, INC. | Chicago | — | ◇ UNVERIFIED |
| AWAdvanced Web Technologies LLC | South Elgin | — | ◇ UNVERIFIED |
| APAdvance Plastic CORP. | Chicago | — | ◇ UNVERIFIED |
| AIAep Industries, INC. | Alsip | — | ◇ UNVERIFIED |
| APA&e Plastics, LLC | Elgin | — | ◇ UNVERIFIED |
| APAffiliated Plastic Products, INC | East Dundee | — | ◇ UNVERIFIED |
| AIAll-states INC. | Saint Charles | — | ◇ UNVERIFIED |
| AOAlpha Omega Profile Extrusion, INC. | Elk Grove Village | — | ◇ UNVERIFIED |
 Altium Packaging | Harvard | — | ◇ UNVERIFIED |
| AGAmerican Gasket & Rubber CO | Schaumburg | — | ◇ UNVERIFIED |
| ATAmerican-springfield Tooling & Molding, INC. | Springfield | — | ◇ UNVERIFIED |
| AVAmerican Vulko-tread Corporation | Elk Grove Village | — | ◇ UNVERIFIED |
| AAngleboard | Kankakee | — | ◇ UNVERIFIED |
| AMAntek Madison Plastics Usa, LTD | Chicago | — | ◇ UNVERIFIED |
| AIArnel Industries, INC. | Addison | — | ◇ UNVERIFIED |
| BIBaps Investors Group, LLC. | Rolling Meadows | — | ◇ UNVERIFIED |
| BPBath Planet By Bci Acrylic | Libertyville | — | ◇ UNVERIFIED |
| BABci Acrylic Bath Systems, INC. | Palatine | — | ◇ UNVERIFIED |
| BIBema, Inc. | Saint Charles | — | ◇ UNVERIFIED |
| BIBema, Inc. | St. Charles | — | ◇ UNVERIFIED |
| BPBerry Plastics CORP | Woodstock | — | ◇ UNVERIFIED |
| BPBerry Plastics CORP. | Alsip | — | ◇ UNVERIFIED |
| BPBerry Plastics Corporation | Schaumburg | — | ◇ UNVERIFIED |
| BDBest Diamond Plastics, LLC | Chicago | — | ◇ UNVERIFIED |
| BEBetter Earth LLC | Chicago | — | ◇ UNVERIFIED |
| BLBoatkoat Laminates | Mount Prospect | — | ◇ UNVERIFIED |
| BMBradrock Molding Co, INC. | Des Plaines | — | ◇ UNVERIFIED |
| BABridgestone Americas Tire Operations | Bloomington | — | ◇ UNVERIFIED |
| BMBuilding Materials Manufacturing CORP | Peru | — | ◇ UNVERIFIED |
| BMBuilding Materials Manufacturing LLC | Peru | — | ◇ UNVERIFIED |
| BWB Way Corporation, INC. | Elk Grove Village | — | ◇ UNVERIFIED |
| CFCarlisle Foodservice Products, Incorporated | Batavia | — | ◇ UNVERIFIED |
| CICaterpillar INC | Mossville | — | ◇ UNVERIFIED |
| CPCentech Plastics INC. | Elk Grove Village | — | ◇ UNVERIFIED |
| CRCentral Rubber Extrusions of Illinois, INC. | Highland | — | ◇ UNVERIFIED |
| CMCentury Molded Plastics, INC. | Glenview | — | ◇ UNVERIFIED |
| CHChampion Holding Company, LLC | Addison | — | ◇ UNVERIFIED |
| CIChicago Industrial Retreaders | South Holland | — | ◇ UNVERIFIED |
| CPChicago Plastic Systems, Inc. | Crystal Lake | — | ◇ UNVERIFIED |
| CTC&L Tiling, Inc. | Timewell | — | ◇ UNVERIFIED |
| CTC&L Tiling, Inc. | Timewell | — | ◇ UNVERIFIED |
| CSContainer Specialties, INC. | Franklin Park | — | ◇ UNVERIFIED |
| CWContinental Windows and Glass Corporation | Chicago | — | ◇ UNVERIFIED |
| CLCroc Liners and Auto Parts LLC | Mount Prospect | — | ◇ UNVERIFIED |
| CRC R Plastics, INC. | Wheeling | — | ◇ UNVERIFIED |
| CPCustom Plastics, Inc. | Elk Grove Village | — | ◇ UNVERIFIED |
| DCDecatur Cap Shop | Decatur | — | ◇ UNVERIFIED |
| DFDetroit Forming INC | Aurora | — | ◇ UNVERIFIED |
| DPDks Plastics INC | Joliet | — | ◇ UNVERIFIED |
| DPD&m Plastics, LLC | Burlington | — | ◇ UNVERIFIED |
