| IPInternational Paper CO. | Aurora | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| IIvex/novacel | Bellwood | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| IPIvex Packaging Cda LLC | Bridgeview | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| IPIvex Packaging Paper LLC | Joliet | IL | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| JSJefferson Smurfit CORP | Bridgeview | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| KPKnight Packing Group INC | Chicago | IL | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| KCKw Container | Chicago Heights | IL | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| LILoparex INC | Dixon | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| MPMenasha Packaging CO LLC | Edwardsville | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| MIMeyer Industrial Container | Chicago | IL | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| MMicrocosm | Cicero | IL | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| MLMidwest Laminating | Alsip | IL | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| MIMilprint Illinois LLC | Bellwood | IL | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| PCPackaging CORP of America | Chicago | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PCPackaging CORP of Il D/b/a Acorn Corrugated Box CO INC | Bedford Park | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PCPactiv CORP | Belvidere | IL | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| PCPactiv CORP Hexacomb | University Park | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PLPactiv LLC | Saint Charles | IL | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| PTPantagraph the | Bloomington | IL | Paper Manufacturing322122 | — | ◇ UNVERIFIED |
| PFPrint Flex INC | Bensenville | IL | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| RTRock Tenn Cp LLC | Highland | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| RCRoyal Continental Box CO | Cicero | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| STSca Tissue North America LLC | Alsip | IL | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| SCSolo Cup CO | Chicago | IL | Paper Manufacturing322215 | — | ◇ UNVERIFIED |
| SCSonoco Consumer Products | West Chicago | IL | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| SPSonoco Product CO | Rockton | IL | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| SCStone Container CORP | Danville | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SGSurface Guard INC | Aurora | IL | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| TITechnipaq INC | Cary | IL | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| TITechnipaq INC | Crystal Lake | IL | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| TITin INC Dba Elgin Corrugated Box | Elgin | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| TITin INC D/b/a Temple - Inland | Chicago | IL | Paper Manufacturing322213 | — | ◇ UNVERIFIED |
| TITin INC Dba Temple-inland | Northlake | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| THTranscontinental Hs Crocker INC | Huntley | IL | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| TCTricel CORP | Gurnee | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| TPTriumph Packaging | Bolingbrook | IL | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| WCWestrock Converting CO | Aurora | IL | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| WCWestrock Cp LLC | Bedford Park | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| WCWestrock Cp LLC | Bridgeview | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| WCWestrock Cp LLC | Hanover Park | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| WCWestrock Cp LLC | North Chicago | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| WPWestrock Packaging Systems LLC | Chicago | IL | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| WCWeyerhaeuser CO | Chicago | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| 1K1660 Kenneth Drive | Mount Prospect | IL | Paper Manufacturing322299 | 20-99 | ◐ LIKELY ACTIVE |
| 6I685 Industrial Drive | Cary | IL | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |
| 9L975 Lutter Drive | Crystal Lake | IL | Paper Manufacturing322220 | 100-499 | ◐ LIKELY ACTIVE |
| AAddison | Addison | IL | Paper Manufacturing322230 | 20-99 | ◐ LIKELY ACTIVE |
| APAkers Packaging Solutions, Inc. | Oreana | IL | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| AMAlsip Minimill | Alsip | IL | Paper Manufacturing322121 | 100-499 | ◐ LIKELY ACTIVE |
| ANAlsip Novolex Plant | Alsip | IL | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |