| RARohm and Haas Electronic Materials Cmp INC | Newark | DE | — | ◇ UNVERIFIED |
| RHRohm & Haas Electronic Materials LLC | Freeport | NY | — | ◇ UNVERIFIED |
| RCRooto CORP | Howell | MI | — | ◇ UNVERIFIED |
| RCRudolf-venture Chemicals | Rock Hill | SC | — | ◇ UNVERIFIED |
| RPRycoline Products INC | Clifton | NJ | — | ◇ UNVERIFIED |
| SKSafety Kleen Systems INC - South Plainfield Facility | South Plainfield | NJ | — | ◇ UNVERIFIED |
| SWSaltville Waste Disposal Ponds | Saltville | VA | — | ◇ UNVERIFIED |
| SISantec INC | Linden | NJ | — | ◇ UNVERIFIED |
| SCSasol Chemicals (usa) LLC | Baltimore | MD | — | ◇ UNVERIFIED |
| SNSasol North America INC - Lab Plant | Westlake | LA | — | ◇ UNVERIFIED |
| SASauget Area 2 Sites Group | Sauget | IL | — | ◇ UNVERIFIED |
| SMSchaffner Manufacturing Company INC | Jackson | MS | — | ◇ UNVERIFIED |
| SDScientific Design CO INC | Little Ferry | NJ | — | ◇ UNVERIFIED |
| SCS. C. Johnson Home Storage, LLC | Fresno | CA | — | ◇ UNVERIFIED |
| SPScott Petroleum Greenville Terminal | Greenville | MS | — | ◇ UNVERIFIED |
| SLScotts Liquid Gold INC | Denver | CO | — | ◇ UNVERIFIED |
| SMScrap Metal Services LLC | Blue Island | IL | — | ◇ UNVERIFIED |
| SFSeaboard Foods LLC / High Plains Bioenergy Biodiesel Prod | Guymon | OK | — | ◇ UNVERIFIED |
| SCSelect Chemicals, LTD. | Yorktown | TX | — | ◇ UNVERIFIED |
| SFSequoyah Fuels CORP. | Gore | OK | — | ◇ UNVERIFIED |
| SRSgr Railyard | San Patricio | TX | — | ◇ UNVERIFIED |
| SNSgs North America | Deer Park | TX | — | ◇ UNVERIFIED |
| SBShepard Bros. INC. - Stockton | Stockton | CA | — | ◇ UNVERIFIED |
| SASherwin Alumina Plant | Ingleside | TX | — | ◇ UNVERIFIED |
| SWSherwin Williams Cleaning Solutions | Havre De Grace | MD | — | ◇ UNVERIFIED |
| SCSierra Chemical CO | Sparks | NV | — | ◇ UNVERIFIED |
| SASigma Aldrich Chemical Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SCSigna Chemistry INC | Rochester | NY | — | ◇ UNVERIFIED |
| SLSilar Laboratories | Scotia | NY | — | ◇ UNVERIFIED |
| SSSimplot Soilbuilders Prosser | Prosser | WA | — | ◇ UNVERIFIED |
| SISkasol INC | Oakland | CA | — | ◇ UNVERIFIED |
| SQSkw Quab Chemicals | Theodore | AL | — | ◇ UNVERIFIED |
| SLSkynano, LLC | Knoxville | TN | — | ◇ UNVERIFIED |
| SDSme Dublin | East Dublin | GA | — | ◇ UNVERIFIED |
| SOSnap on Diagnostics | Elkhorn | WI | — | ◇ UNVERIFIED |
| SISolutia INC | Trenton | MI | — | ◇ UNVERIFIED |
| SISolutia INC Krummrich Il (part) | Sauget | IL | — | ◇ UNVERIFIED |
| SPSolutia Plant | Trenton | MI | — | ◇ UNVERIFIED |
| SCSolvay Chemicals, INC. Parachute Plant | Parachute | CO | — | ◇ UNVERIFIED |
| SSSolvay Specialty Polymers USA | Borger | TX | — | ◇ UNVERIFIED |
| SUSolvay USA INC | New Brunswick | NJ | — | ◇ UNVERIFIED |
| SUSolvay USA Inc.-silver Bow Plant | Silver Bow | MT | — | ◇ UNVERIFIED |
| SISongwon International Americas INC. - La Porte | La Porte | TX | — | ◇ UNVERIFIED |
| SBSoutheastern Biodiesel, LLC | Athens | AL | — | ◇ UNVERIFIED |
 Southern Ionics INC. - Lake Charles Facility | Carlyss | LA | — | ◇ UNVERIFIED |
 Southern States Chemical | Wilmington | NC | — | ◇ UNVERIFIED |
| STSouth Texas Chlorine, INC. | Harlingen | TX | — | ◇ UNVERIFIED |
| SLSouthwin LTD Nevada | Sparks | NV | — | ◇ UNVERIFIED |
| SCSpecialty Chemical Systems, INC | Pottstown | PA | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Wisconsin Rapids | WI | — | ◇ UNVERIFIED |
