| PIPregis Innovative Packaging LLC | Wurtland | KY | — | ◇ UNVERIFIED |
| PPPrimex Plastics Corporation | Richmond | IN | — | ◇ UNVERIFIED |
| PPPrimex Plastics Corporation | Garfield | NJ | — | ◇ UNVERIFIED |
| PAProfol Americas | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| PPPro Plastics Baythorne Facility | Houston | TX | — | ◇ UNVERIFIED |
| QEQuadrant Engineering Plastic Products | Scranton | PA | — | ◇ UNVERIFIED |
| QEQuadrant Epp USA | Scranton | PA | — | ◇ UNVERIFIED |
| QPQuantum Performance Films **inactive** | Salisbury | NC | — | ◇ UNVERIFIED |
| RURandstad Us, LLC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| RIRayven INC. | Saint Paul | MN | — | ◇ UNVERIFIED |
| RLRayven LLC - Owatonna | Owatonna | MN | — | ◇ UNVERIFIED |
| RIReef Industries | Houston | TX | — | ◇ UNVERIFIED |
| RGResolution Graphics INC | Arden Hills | MN | — | ◇ UNVERIFIED |
| RJRevolution Jadcore Buyer LLC | Terre Haute | IN | — | ◇ UNVERIFIED |
| RDRitrama Duramark (1318007355) | Cleveland | OH | — | ◇ UNVERIFIED |
| RIRjf International Corporation | Muncy | PA | — | ◇ UNVERIFIED |
| RORlc Operations, LLC | Fort Denaud | FL | — | ◇ UNVERIFIED |
| RCRogers Corporation - Narragansett | Narragansett | RI | — | ◇ UNVERIFIED |
| RRRoss & Roberts INC | Stratford | CT | — | ◇ UNVERIFIED |
| SFSanta Fe Packaging Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SCS. C. Johnson Home Storage, LLC | Fresno | CA | — | ◇ UNVERIFIED |
| SPScranton Products, INC. | Scranton | PA | — | ◇ UNVERIFIED |
| SASealed Air Corporation | Salem | IL | — | ◇ UNVERIFIED |
| SPSekisui Polymer Innovations LLC | Holland | MI | — | ◇ UNVERIFIED |
| SSSekisui S-lec America LLC | Winchester | KY | — | ◇ UNVERIFIED |
| SPSheffield Plastics | Sheffield | MA | — | ◇ UNVERIFIED |
 Signode Industrial Group LLC | Florence | KY | — | ◇ UNVERIFIED |
| SSSika Sanafil a Division of Sika Corporation | Cypress | CA | — | ◇ UNVERIFIED |
| SSSika Sarnafil | Cambridge, Town of | MA | — | ◇ UNVERIFIED |
| SASimona America Incorporated | Hazleton | PA | — | ◇ UNVERIFIED |
| SASkc America INC. | Sunnyvale | CA | — | ◇ UNVERIFIED |
| SISkc, INC. | Covington | GA | — | ◇ UNVERIFIED |
| SLS & L Plastics Inc/nazareth Plt | Nazareth | PA | — | ◇ UNVERIFIED |
| SCSolo Cup Operating CORP | North Andover | MA | — | ◇ UNVERIFIED |
| SISolutia INC | Springfield | MA | — | ◇ UNVERIFIED |
| SFSouthern Film Extruders, INC. | High Point | NC | — | ◇ UNVERIFIED |
| STSouthwall Technologies | Palo Alto | CA | — | ◇ UNVERIFIED |
| STSouthwall Technologies | Palo Alto | CA | — | ◇ UNVERIFIED |
| SSpartech | Newark | NJ | — | ◇ UNVERIFIED |
| SLSpartech LLC | La Mirada | CA | — | ◇ UNVERIFIED |
| SLSpartech, LLC (former Polyone Designed Structures and Solutions) | Stamford | CT | — | ◇ UNVERIFIED |
| SPSpartech Plastic | Cape Girardeau | MO | — | ◇ UNVERIFIED |
| SPSpartech Plastics | Warsaw | IN | — | ◇ UNVERIFIED |
| SPSpartech Plastics | La Mirada | CA | — | ◇ UNVERIFIED |
| SVSpartech Vy-cal Plastics CORP | Conshohocken | PA | — | ◇ UNVERIFIED |
| SSStar Service, INC. | Geismar | LA | — | ◇ UNVERIFIED |
| SPStrout Plastics - Lakeville | Lakeville | MN | — | ◇ UNVERIFIED |
| SPSummit Plastics, INC | Summit | MS | — | ◇ UNVERIFIED |
| SPSuperior Plastic Fabrication Inc | Gardena | CA | — | ◇ UNVERIFIED |
| SSSupracor Systems INC | San Jose | CA | — | ◇ UNVERIFIED |
