| RCRaschig Corporation | Richmond | VA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RERational Energies Hc INC - Plymouth Facility | Plymouth | MN | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RCRaybo Chemical CO | Huntington | WV | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARaytheon Aircraft Co(was Beech Aircraft) | Boulder | CO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RERefrigerant Exchange CORP | Irwindale | CA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARemet Alcohols INC | La Mirada | CA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RERenewable Energy Group, INC. | Okeechobee | FL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RDResin Designs LLC | Newark | CA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc- Cincinnati Plant | Cincinnati | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc, Lone Star Plant | Deer Park | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| RHRohm & Haas Electronic Materials LLC | Freeport | NY | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RCRudolf-venture Chemicals | Rock Hill | SC | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RPRycoline Products INC | Clifton | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SKSafety Kleen Systems INC - South Plainfield Facility | South Plainfield | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SNSasol North America INC - Lab Plant | Westlake | LA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SASauget Area 2 Sites Group | Sauget | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SCSelect Chemicals, LTD. | Yorktown | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SRSgr Railyard | San Patricio | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SNSgs North America | Deer Park | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SASigma Aldrich Chemical Company | St Louis | MO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SGSi Group USA (usaa), LLC | Bay Minette | AL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SLSilar Laboratories | Scotia | NY | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SSSimplot Soilbuilders Prosser | Prosser | WA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SISkasol INC | Oakland | CA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SPSolutia Plant | Trenton | MI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SUSolvay USA INC | New Brunswick | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SBSoutheastern Biodiesel, LLC | Athens | AL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC | Institute | WV | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC - Glutaraldehyde Plant | Institute | WV | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SISpex Industries INC Chemical & Sample Prep | Metuchen | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SPSpi Polyols INC. | New Castle | DE | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SPSplash Products INC | Ayer | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SISpontex INC | Columbia | TN | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| STStar Thermoplastic Alloys & Rubbers INC | Broadview | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SCStoney Creek Technologies LLC | Marcus Hook | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SPStreamline Polymers | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SISurtec INC | Valparaiso | IN | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SISymrise INC | Chester | NY | Chemical Manufacturing325199 | — | ▲ REPORTED CLOSED |
| SSyngenta | Bucks | AL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SLSynthepor LLC | Nampa | ID | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TITakasago International CORP (usa) | University Park | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TATeknor Apex CO | Attleboro | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TTeknos | Charlotte | NC | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TFTexas Fluorescence Laboratories | Austin | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TLTheodor Leonhard Wax Company, INC. | Haledon | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TSThomas Swan Opelika, INC. | Opelika | AL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TCThree Creek Bioenergy | Sheffield | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TPTicona Polymers, INC. | Bishop | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TCTotal Clean Pasadena Tank Wash | Pasadena | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TFToxguard Fluid Technologies INC | Stanton | CA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
