| SSSolvay Solar | West Deptford | NJ | — | ◇ UNVERIFIED |
| SSSolvay Specialty Polymers Usa, L.l.c. | Marietta | OH | — | ◇ UNVERIFIED |
| SSSolvay Specialty Polymers Usa, LLC | Marietta | OH | — | ◇ UNVERIFIED |
| SCSouth Central Polymers, INC. | Booneville | MS | — | ◇ UNVERIFIED |
| SASoutheastern Adhesives | Lenoir | NC | — | ◇ UNVERIFIED |
| SCSouthern California Plastics INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SSpartech | Kohler | WI | — | ◇ UNVERIFIED |
| SLSpartech LLC | Greenville | OH | — | ◇ UNVERIFIED |
| SLSpartech LLC | La Mirada | CA | — | ◇ UNVERIFIED |
| SPSpartech Plastics | La Mirada | CA | — | ◇ UNVERIFIED |
| SPSpartech Plastics | Oxnard | CA | — | ◇ UNVERIFIED |
| SPSpartech Plastics INC | Redlands | CA | — | ◇ UNVERIFIED |
| SPSpartech Plastics LLC | Muncie | IN | — | ◇ UNVERIFIED |
| SPSpartech Polycom INC | Kearny | NJ | — | ◇ UNVERIFIED |
| SCSpaulding Composites CO | Dekalb | IL | — | ◇ UNVERIFIED |
| SPSpecialty Polymers | Leominster | MA | — | ◇ UNVERIFIED |
| SPSpecialty Products | Lakewood | WA | — | ◇ UNVERIFIED |
| SPSpectra Polymers & Color Specialties, Inc | Vineland | NJ | — | ◇ UNVERIFIED |
| SPSpectra Polymers & Color Specialties, INC | Bohemia | NY | — | ◇ UNVERIFIED |
| STSpill Tech Environmental, INC. | Mobile | AL | — | ◇ UNVERIFIED |
| S1Sr 190 at Sr 99 | Tipton | CA | — | ◇ UNVERIFIED |
| SDSSD Designs, LLC | Forest City | NC | — | ◇ UNVERIFIED |
| SSta-care | Pardeeville | WI | — | ◇ UNVERIFIED |
| SCStaff Concrete Construction | Victoria | TX | — | ◇ UNVERIFIED |
 Starfire Systems INC | Schenectady | NY | — | ◇ UNVERIFIED |
| SIStarling INC | Denham Springs | LA | — | ◇ UNVERIFIED |
| SMStar Molding CO | Donna | TX | — | ◇ UNVERIFIED |
| SCStarpak CORP | Houston | TX | — | ◇ UNVERIFIED |
| SSStar Seal of Minnesota INC | Shakopee | MN | — | ◇ UNVERIFIED |
| SOState of Delaware Graphics & Printing - 604 Otis Dr, Dover | Dover | DE | — | ◇ UNVERIFIED |
| SStepan | Wilmington | NC | — | ◇ UNVERIFIED |
| SNStillman Northern CORP | East Syracuse | NY | — | ◇ UNVERIFIED |
| SAStonehouse Acquisition CO Llc/chambersburg | Chambersburg | PA | — | ◇ UNVERIFIED |
| SDStonewall Distribution Center | Winchester | VA | — | ◇ UNVERIFIED |
| SLStop Look Plastics | La Habra | CA | — | ◇ UNVERIFIED |
| SIStyrotek INC. | Delano | CA | — | ◇ UNVERIFIED |
| SBSumitomo Backlite North America | Kenton | OH | — | ◇ UNVERIFIED |
| SPSumitomo Plastics America INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| SBSun Beaver Term/vanport | Vanport | PA | — | ◇ UNVERIFIED |
| SCSunbelt Chemicals INC | Gulfport | MS | — | ◇ UNVERIFIED |
| SCSuncast CORP | Batavia | IL | — | ◇ UNVERIFIED |
| SPSuncoast Plastic Fabrication, INC. | Valrico | FL | — | ◇ UNVERIFIED |
| SCSun Color Corporation | North Canton | OH | — | ◇ UNVERIFIED |
| SPSunoco Partners M & T - Beaver Terminal | Vanport | PA | — | ◇ UNVERIFIED |
| SRSunoco R&m Bayport Polypropylene | Pasadena | TX | — | ◇ UNVERIFIED |
| SRSunpol Resins & Polymers INC | Fairfield | CA | — | ◇ UNVERIFIED |
| SFSunrise Fiberglass Engineering Site | Shelton | WA | — | ◇ UNVERIFIED |
| SFSuperior Fibers - Vanceburg LLC | Vanceburg | KY | — | ◇ UNVERIFIED |
| SMSuperior Manufacturing Group | Moselle | MS | — | ◇ UNVERIFIED |
| SPSuperior Polymers, LLC | Hattiesburg | MS | — | ◇ UNVERIFIED |
