| SISchweitzer-mauduit Intl INC | Ancram | NY | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| SMSchweitzer Mauduit Niagara Mill (former) | Lee | MA | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| SDS. D. Warren, Muskegon, Mi, Operations | Muskegon | MI | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| SFSeaboard Folding Box | Fitchburg | MA | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| STSekisui Ta Industries, LLC | Brea | CA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| SCSelective Coatings & Inks INC | Farmingdale | NJ | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| SPSheboygan Paperbox CO | Sheboygan | WI | Paper Manufacturing322210 | — | ◇ UNVERIFIED |
| SPShippers Products, a Division of Signode Industrial Group LLC | Fordyce | AR | Paper Manufacturing322224 | — | ◇ UNVERIFIED |
| SCSierra Coating Technologies | De Pere | WI | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| SESigma Equipment | Evansville | IN | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SISignode Industrial Group, LLC | Sheridan | AR | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| SISimkins Ind. INC. | Catonsville | MD | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| SISimkins Industries INC | Ridgefield | NJ | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| SISimkins Industries INC | New Haven | CT | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| SPSmall Paper CO. | Huntington Park | CA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| SPSmart Papers Hamilton Mill | Hamilton | OH | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| SSSmith Services He Group | Houma | LA | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| SKSmurfit Kappa North America LLC | La Puente | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SSmurfit-stone | Salt Lake City | UT | Paper Manufacturing322214 | — | ◇ UNVERIFIED |
| SSSmurfit Stone Container CORP | Chesterfield | MO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container CORP | Philadelphia | PA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SSSmurfit Stone Container Ent | Louisville | KY | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container Enterprises | Covington | GA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SSSmurfit Stone Container Enterprises INC | Coshocton | OH | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container Enterp Rises INC | Ontonagon | MI | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container/jersey Shore Plt | Jersey Shore | PA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SCSolo Cup | Owings Mills | MD | Paper Manufacturing322215 | — | ◇ UNVERIFIED |
| SCSolo Cup CO | Chicago | IL | Paper Manufacturing322215 | — | ◇ UNVERIFIED |
| SCSolo Cup Company | Augusta | GA | Paper Manufacturing322291 | — | ◇ UNVERIFIED |
| SCSolo Cup Company | Federalsburg | MD | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| SCSonoco Consumer Products | West Chicago | IL | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| SCSonoco Corrflex Graphics, LLC | Statesville | NC | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| SCSonoco Corrflex York | York | PA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SDSonoco Display and Packaging | Winston-salem | NC | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SFSonoco Flexible Packaging Nc CORP | Charlotte | NC | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| SHSonoco Hutchinson | Hutchinson | KS | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| SPSonoco Prod | East Greenville | PA | Paper Manufacturing322214 | — | ◇ UNVERIFIED |
| SPSonoco Product CO | Rockton | IL | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
 Sonoco Products CO | Augusta | GA | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| Sonoco Products CO | Lancaster | OH | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| Sonoco Products CO - Downingtown Papermill | Downingtown | PA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| Sonoco Products Company | Loveland | CO | Paper Manufacturing322214 | — | ◇ UNVERIFIED |
| Sonoco Products Company | Suffolk | VA | Paper Manufacturing322214 | — | ◇ UNVERIFIED |
| Sonoco Products Company | Pine Bluff | AR | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| SWSonoco Wisconsin Rapids Core Plant LLC | Wisconsin Rapids | WI | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| SPSorg Paper CO. | Middletown | OH | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| SCSouth Coast Technical Products | New Bedford, City of | MA | Paper Manufacturing322222 | — | ◇ UNVERIFIED |
| STSouthcoast Technical Products | New Bedford | MA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| SRSoutheast Renewable Fuels, LLC | Clewiston | FL | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| SCSouthern Champion Tray | Chattanooga | TN | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
