| CPCorr Pak CORP | Mccook | — | ◇ UNVERIFIED |
| CFCorrugated Fabricating & Assembly | Bedford Park | — | ◇ UNVERIFIED |
| CSCorrugated Supplies CO LLC | Bedford Park | — | ◇ UNVERIFIED |
| CSCorrugated Supply | Bedford Park | — | ◇ UNVERIFIED |
| DPDanco Packaging Supply Company | Elk Grove Village | — | ◇ UNVERIFIED |
| EAElegant Acqusition LLC | Cicero | — | ◇ 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 |
| IPInternational Paper Company | Arlington Heights | — | ◇ UNVERIFIED |
| IPIvex Packaging Corporation | Bridgeview | — | ◇ UNVERIFIED |
| JSJefferson Smurfit CORP | Dolton | — | ◇ UNVERIFIED |
| JJJohn J. Monaco Products Company, INC. | Melrose Park | — | ◇ UNVERIFIED |
| KCKimberly Clark Chicago | Chicago | — | ◇ UNVERIFIED |
| MUMauser USA LLC | Chicago | — | ◇ UNVERIFIED |
| NCNorkol Converting Corporation | Northlake | — | ◇ UNVERIFIED |
| PCPackaging CORP of America | Bedford Park | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America Dba Pca-chicago Container | Bedford Park | — | ◇ UNVERIFIED |
| PDPackaging Dynamics Dba Bagcraft Papercon | Chicago | — | ◇ UNVERIFIED |
| PBPca - Bedford Park | Bedford Park | — | ◇ UNVERIFIED |
| PSPersonnel Staffing Group, LLC Dba Most Valuable Personnel | Bellwood | — | ◇ UNVERIFIED |
| PPPolyair Packaging CORP | Chicago | — | ◇ UNVERIFIED |
| QQuestcor | Bedford Park | — | ◇ UNVERIFIED |
| RTRon's Temporary Help Services, INC. | Bellwood | — | ◇ UNVERIFIED |
| RBRoyal Box Group, LLC | Bellwood | — | ◇ UNVERIFIED |
| RERoyal Envelope CORP. | Chicago | — | ◇ UNVERIFIED |
| SCSolo Cup CO | Chicago | — | ◇ UNVERIFIED |
| SGStrive Group LLC | Chicago | — | ◇ UNVERIFIED |
| THTerrace Holding Company | Cicero | — | ◇ UNVERIFIED |
| TPTerrace Paper Co., INC. | Cicero | — | ◇ UNVERIFIED |
| TTTL Trand Group LLC | Alsip | — | ◇ UNVERIFIED |
| TETranso Envelope CO LLC | Chicago | — | ◇ UNVERIFIED |
| UEUnique Envelope CO. | Chicago | — | ◇ UNVERIFIED |
| WPWelch Packaging Chicago, INC. | Countryside | — | ◇ UNVERIFIED |
| WBWertheimer Box & Paper Corporation | Mccook | — | ◇ UNVERIFIED |
