| RARoehm America Bay City Site | Bay City | TX | — | ◇ UNVERIFIED |
| RCRogers Corporation - Narragansett | Narragansett | RI | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals LLC | La Mirada | CA | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals LLC | Bristol | PA | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc- Cincinnati Plant | Cincinnati | OH | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc, Lone Star Plant | Deer Park | TX | — | ◇ UNVERIFIED |
| RARohm and Haas CO | Chicago Heights | IL | — | ◇ UNVERIFIED |
| RARohm and Haas - Louisville Plant | Louisville | KY | — | ◇ UNVERIFIED |
| RHRohm & Haas Co/bristol | Bristol | PA | — | ◇ UNVERIFIED |
| RHRohm & Haas Company | Philadelphia | PA | — | ◇ UNVERIFIED |
| RHRohm & Haas Electronic Materials LLC | Freeport | NY | — | ◇ UNVERIFIED |
| RCRollex CORP - Lunt Ave | Elk Grove Village | IL | — | ◇ UNVERIFIED |
 Rolling Hills Plastics, Inc. | Rancho Palos Verdes | CA | — | ◇ UNVERIFIED |
| RRRoss & Roberts INC | Stratford | CT | — | ◇ UNVERIFIED |
| RERotuba Extruders INC. | Linden | NJ | — | ◇ UNVERIFIED |
| RIRowa INC. | Hammonton | NJ | — | ◇ UNVERIFIED |
| RCRsa CORP | Danbury | CT | — | ◇ UNVERIFIED |
| RSRsd Systems INC. Dba Aqua Creations | Ventura | CA | — | ◇ UNVERIFIED |
| RCRtb Composites LLC | Minden | NE | — | ◇ UNVERIFIED |
| RCRudolf-venture Chemicals | Rock Hill | SC | — | ◇ UNVERIFIED |
| RPRutland Plastic Technologies, INC. | Pineville | NC | — | ◇ UNVERIFIED |
| RIRwdc Industries, LLC | Athens | GA | — | ◇ UNVERIFIED |
| RPRycoline Products INC | Clifton | NJ | — | ◇ UNVERIFIED |
| SHSabic High Performance Plastics | Selkirk | NY | — | ◇ UNVERIFIED |
| SISabic Innovative Plastics | Seymour | IN | — | ◇ UNVERIFIED |
| SISabic Innovative Plastics | Pittsfield | MA | — | ◇ UNVERIFIED |
| SISabic Innovative Plastics | Mount Vernon | IN | — | ◇ UNVERIFIED |
| SISabic Innovative Plastics US LLC | Washington | WV | — | ◇ UNVERIFIED |
| SISabic Innovative Plastics Us, LLC | New Smyrna Beach | FL | — | ◇ UNVERIFIED |
| SKSafety Kleen Systems INC - South Plainfield Facility | South Plainfield | NJ | — | ◇ UNVERIFIED |
| SXSafuels X Renewable Fuels Facility | Williston | ND | — | ◇ UNVERIFIED |
| SGSaint Gobain | Williamsburg | MI | — | ◇ UNVERIFIED |
| SCSaint-gobain Ceramic Materials / Innovative Organics | Anaheim | CA | — | ◇ UNVERIFIED |
| SCSak Construction LLC | Rocklin | CA | — | ◇ UNVERIFIED |
| SPSamos Polymers | Stanley | NC | — | ◇ UNVERIFIED |
| SSSamuel Sekisui Jushi Strapping | Cartersville | GA | — | ◇ UNVERIFIED |
| SPSanco Polymer Group | Dalton | GA | — | ◇ UNVERIFIED |
| SMSandee Manufacturing Co | Franklin Park | IL | — | ◇ UNVERIFIED |
| SBSandhill Bach Rng Facility | Dorchester | WI | — | ◇ UNVERIFIED |
| SFSandhill Five Star Rng | Elk Mound | WI | — | ◇ UNVERIFIED |
| SFSanta Fe Packaging Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SLSantolubes LLC | Saint Charles | MO | — | ◇ UNVERIFIED |
| SCSanyo Chemical & Resins, LLC | West Elizabeth | PA | — | ◇ UNVERIFIED |
| SCSanyo Chem & Resin Inc/jefferson Site | West Elizabeth | PA | — | ◇ UNVERIFIED |
| SBSapp Brothers, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| SCSartomer CO | New Brunswick | NJ | — | ◇ UNVERIFIED |
| SSSartorius Stedim Filters INC | Yauco | PR | — | ◇ UNVERIFIED |
| SISarvetnick Industries | Jersey City | NJ | — | ◇ UNVERIFIED |
| SCSasol Chem USA Llc/oil City | Oil City | PA | — | ◇ UNVERIFIED |
| SNSasol North America INC - Lab Plant | Westlake | LA | — | ◇ UNVERIFIED |
