| SPScope Packaging INC | Orange | CA | — | ◇ UNVERIFIED |
| SBSealy Box | Sealy | TX | — | ◇ UNVERIFIED |
| SKSeminole Kraft CORP | Jacksonville | FL | — | ◇ UNVERIFIED |
| SBSemo Box Company | Cape Girardeau | MO | — | ◇ UNVERIFIED |
| SBSemo Box Company | Scott City | MO | — | ◇ UNVERIFIED |
| SCService Container CO LLC Dba Harbor Packaging | Poway | CA | — | ◇ UNVERIFIED |
| SGS & G Corrugated Packaging, Incorporated | Swoyersville | PA | — | ◇ UNVERIFIED |
| SPSheboygan Paper Box Company | Sheboygan | WI | — | ◇ UNVERIFIED |
| SIShew Industries, Inc. | Massillon | OH | — | ◇ UNVERIFIED |
| SOShield of Glory, INC. | Irvine | CA | — | ◇ UNVERIFIED |
| SCShoreline Container | Zeeland | MI | — | ◇ UNVERIFIED |
| SLSiemers LLC | St Louis | MO | — | ◇ UNVERIFIED |
 Signode Industrial Group LLC | Rumford | RI | — | ◇ UNVERIFIED |
| SISimkins Industries INC | Ridgefield | NJ | — | ◇ UNVERIFIED |
| SISimkins Industries INC | New Haven | CT | — | ◇ UNVERIFIED |
| SPS.i Paper Supply | Staten Island | NY | — | ◇ UNVERIFIED |
| SCSisco Corporation | Nashville | IL | — | ◇ UNVERIFIED |
| SPSLG Package Concepts, LLC | Greer | SC | — | ◇ UNVERIFIED |
| SKSmart Karton | Saint Charles | MO | — | ◇ UNVERIFIED |
| SKSmurfit Kappa North America | North Richland Hills | TX | — | ◇ UNVERIFIED |
| SKSmurfit Kappa North America | Carson | CA | — | ◇ UNVERIFIED |
| SKSmurfit Kappa North America LLC | City of Industry | CA | — | ◇ UNVERIFIED |
| SKSmurfit Kappa North America LLC | La Puente | CA | — | ◇ UNVERIFIED |
| SKSmurfit Kappa North America LLC | Chandler | AZ | — | ◇ UNVERIFIED |
| SKSmurfit Kappa North America LLC | City of Industry | CA | — | ◇ UNVERIFIED |
| SKSmurfit Kappa Orange County LLC | Forney | TX | — | ◇ UNVERIFIED |
| SSmurfit-stone | Mishawaka | IN | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container CORP | Springfield | MA | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container CORP | Philadelphia | PA | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container CORP. | Williamsport | PA | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container CORP El Paso East | El Paso | TX | — | ◇ UNVERIFIED |
| SSSmurfit Stone Container Corpor | San Jose | CA | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container Corpor | Milpitas | CA | — | ◇ UNVERIFIED |
| SSSmurfit Stone Container Ent | Louisville | KY | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container Enterprises | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container Enterprises | Jacksonville | FL | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container Enterprises | Covington | GA | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container Enterprises INC | Galesburg | IL | — | ◇ UNVERIFIED |
| SSonocco | Hayward | CA | — | ◇ UNVERIFIED |
| SDSonoco Display and Packaging | Winston Salem | NC | — | ◇ UNVERIFIED |
| SHSonoco Hutchinson | Hutchinson | KS | — | ◇ UNVERIFIED |
| SPSonoco Product CO | Rockton | IL | — | ◇ UNVERIFIED |
 Sonoco Products CO | City of Industry | CA | — | ◇ UNVERIFIED |
| Sonoco Products CO | Lancaster | OH | — | ◇ UNVERIFIED |
| Sonoco Products CO Composite Can Div | Norwalk | CA | — | ◇ UNVERIFIED |
| Sonoco Products CO - Downingtown Papermill | Downingtown | PA | — | ◇ UNVERIFIED |
| Sonoco Products Company | Murfreesboro | TN | — | ◇ UNVERIFIED |
| Sonoco Products Company | Rockton | IL | — | ◇ UNVERIFIED |
| Sonoco Products Company (composite Can Plant) | Chattanooga | TN | — | ◇ UNVERIFIED |
| SWSonoco Wisconsin Rapids Core Plant LLC | Wisconsin Rapids | WI | — | ◇ UNVERIFIED |
