| CCCameo Container Corporation-halsted Warehouse | Chicago | — | ◇ UNVERIFIED |
| CICaraustar Industries, Beardstown Ipg | Beardstown | — | ◇ UNVERIFIED |
| CICartonCraft, Inc. | St. Charles | — | ◇ UNVERIFIED |
| CICartonCraft, Inc. | Saint Charles | — | ◇ UNVERIFIED |
| CECascades Enviropac | Aurora | — | ◇ UNVERIFIED |
| CECascades Enviropac of Aurora, a Div. of Cascades Plastics, INC. | Aurora | — | ◇ UNVERIFIED |
| CHCascades Holding US INC. | Aurora | — | ◇ UNVERIFIED |
| CCCentralia Corrugated Products | Centralia | — | ◇ UNVERIFIED |
| CFChannahon Facility LLC | Joliet | — | ◇ UNVERIFIED |
| CFChicago Fasteners Manufacturing, LLC | Mokena | — | ◇ UNVERIFIED |
| CSCitadel Specialty Products INC | Aurora | — | ◇ UNVERIFIED |
| CPClearwater Paper Elwood LLC | Elwood | — | ◇ UNVERIFIED |
| CPColbert Packaging CORP | Lake Forest | — | ◇ UNVERIFIED |
| CICompak, INC. | Rockford | — | ◇ UNVERIFIED |
| CCContainer CORP of America | Addison | — | ◇ UNVERIFIED |
| CPCorr Pak CORP | Mccook | — | ◇ UNVERIFIED |
| CFCorrugated Fabricating & Assembly | Bedford Park | — | ◇ UNVERIFIED |
| CSCorrugated Supplies CO LLC | Bedford Park | — | ◇ UNVERIFIED |
| CSCorrugated Supply | Bedford Park | — | ◇ UNVERIFIED |
| CWCreative Werks LLC | Bensenville | — | ◇ UNVERIFIED |
| CCCross Container Corporation | Carpentersville | — | ◇ UNVERIFIED |
| DPDanco Packaging Supply Company | Elk Grove Village | — | ◇ UNVERIFIED |
| DIDiamond International CORP | Wilmington | — | ◇ UNVERIFIED |
| EEEIF Enterprises Inc | Aurora | — | ◇ UNVERIFIED |
| EAElegant Acqusition LLC | Cicero | — | ◇ UNVERIFIED |
| ESEvolution Sorbent Products, LLC | West Chicago | — | ◇ UNVERIFIED |
| FPFischer Paper Products, Inc. | Antioch | — | ◇ UNVERIFIED |
| FPForest Packaging Corporation | Elk Grove Village | — | ◇ UNVERIFIED |
| FCFramarx Corporation | South Chicago Heights | — | ◇ UNVERIFIED |
| FPFuturemark Paper Company | Alsip | — | ◇ UNVERIFIED |
| GAGencorr a Trg Company | Alsip | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Corrugated Ii LLC | Mount Olive | — | ◇ UNVERIFIED |
| GPGraphic Packaging International INC | Morris | — | ◇ UNVERIFIED |
| GIGreen Investment Group INC | Alton | — | ◇ UNVERIFIED |
| GGreif | Beardstown | — | ◇ UNVERIFIED |
| GBGreif Bros CORP | Centralia | — | ◇ UNVERIFIED |
| HPHeritage Packaging, LLC | Lincoln | — | ◇ UNVERIFIED |
| HCHexacomb CORP | Trenton | — | ◇ UNVERIFIED |
| HHHickory Hills Woodworks LLC | Raleigh | — | ◇ UNVERIFIED |
| HSHighland Supply Corporation | Highland | — | ◇ UNVERIFIED |
| IBInglese Box Co., LTD. | Huntley | — | ◇ UNVERIFIED |
| ILIntegrated Label Corporation | Rockford | — | ◇ UNVERIFIED |
| IPInternational Paper Company | Arlington Heights | — | ◇ UNVERIFIED |
| IPInternational Paper Company | Aurora | — | ◇ UNVERIFIED |
| IPIvex Packaging Corporation | Bridgeview | — | ◇ UNVERIFIED |
| JSJefferson Smurfit CORP | Dolton | — | ◇ UNVERIFIED |
| JHJ. H. H. of Illinois, INC. | West Chicago | — | ◇ UNVERIFIED |
| JJJohn J. Monaco Products Company, INC. | Melrose Park | — | ◇ UNVERIFIED |
| KCKimberly Clark Chicago | Chicago | — | ◇ UNVERIFIED |
| LPLsc Phoenix Paper LLC | Lostant | — | ◇ UNVERIFIED |
