| PIPolarome International | Newark | NJ | — | ◇ UNVERIFIED |
| PPolimeros | Longview | TX | — | ◇ UNVERIFIED |
| PCPolo Cleaners 2 | Middletown | RI | — | ◇ UNVERIFIED |
 Polycarbon Industries INC | Ayer | MA | — | ◇ UNVERIFIED |
| PSPolychem Services Inc., LLC | Chicago Heights | IL | — | ◇ UNVERIFIED |
| PIPolydyne INC. | Elk Grove | CA | — | ◇ UNVERIFIED |
| PCPolymerine CO INC | New Bedford | MA | — | ◇ UNVERIFIED |
| PLPolymerine LTD | New Bedford, City of | MA | — | ◇ UNVERIFIED |
| PAPort Arthur Plant | Port Arthur | TX | — | ◇ UNVERIFIED |
| PIPpg Industries Inc/lake Charles Complex | Lake Charles | LA | — | ◇ UNVERIFIED |
| PAPrima America Corporation | Northumberland | NH | — | ◇ UNVERIFIED |
| PGProcter & Gamble | Sacramento | CA | — | ◇ UNVERIFIED |
| PAProviron America INC | Friendly | WV | — | ◇ UNVERIFIED |
| PSPublic Storage | Greenville | SC | — | ◇ UNVERIFIED |
| PFPurify Fuels, INC. | Otay Mesa | CA | — | ◇ UNVERIFIED |
| PIPurity Isobutylene Plant and Pasadena Terminal | Pasadena | TX | — | ◇ UNVERIFIED |
| PCPvs Chemicals, INC. | Calvert | AL | — | ◇ UNVERIFIED |
| PLPyxis Lab, INC. | Holliston | MA | — | ◇ UNVERIFIED |
| QDQ & D Manufacturing CORP | Hillsboro | OR | — | ◇ UNVERIFIED |
| QTQ Train LLC | Ellenwood | GA | — | ◇ UNVERIFIED |
| QBQuality Blending, INC | Anoka | MN | — | ◇ UNVERIFIED |
| QCQuality Compound Manufacturing, LLC | Elyria | OH | — | ◇ UNVERIFIED |
| QPQuapaw Products | Helena | AR | — | ◇ UNVERIFIED |
| QAQuest Automotive Products | Gnadenhutten | OH | — | ◇ UNVERIFIED |
| RCRaj Chemicals Americas LLC | Somerville | NJ | — | ◇ UNVERIFIED |
| RCRaschig Corporation | Richmond | VA | — | ◇ UNVERIFIED |
| RPRaven Plant | Baytown | TX | — | ◇ UNVERIFIED |
| RCRaybo Chemical CO | Huntington | WV | — | ◇ UNVERIFIED |
| RARaytheon Aircraft Co(was Beech Aircraft) | Boulder | CO | — | ◇ UNVERIFIED |
| RGRdf Gray, LLC | Cimmaron | KS | — | ◇ UNVERIFIED |
| RUReagens USA Bayport Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| RSRecovery Solutions & Technologies, INC. | Institute | WV | — | ◇ UNVERIFIED |
| RBRed Birch Energy | Bassett | VA | — | ◇ UNVERIFIED |
| ROReg Okeechobee | Okeechobee | FL | — | ◇ UNVERIFIED |
| RMReiss Manufacturing INC | Blackstone | VA | — | ◇ UNVERIFIED |
| ROReliance Operations Facility | Reliance | WY | — | ◇ UNVERIFIED |
| RARemet Alcohols INC | La Mirada | CA | — | ◇ UNVERIFIED |
| RERenewable Energy Group, INC. | Okeechobee | FL | — | ◇ UNVERIFIED |
| RSResin Solutions LLC (formerly Total Petrochemical and Refining) | Stratford | CT | — | ◇ UNVERIFIED |
| RIResource Innovation, INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| RGR & G Carting & Recycling, LLC | Southington | CT | — | ◇ UNVERIFIED |
| RFRiverport Facility | Louisville | KY | — | ◇ UNVERIFIED |
| RLRockwood Lithium INC | Pasadena | TX | — | ◇ UNVERIFIED |
| RARoehm America Bay City Site | Bay City | TX | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc- Cincinnati Plant | Cincinnati | OH | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc, Lone Star Plant | Deer Park | TX | — | ◇ UNVERIFIED |
| RHRohm & Haas Electronic Materials LLC | Freeport | NY | — | ◇ UNVERIFIED |
| RCRsa CORP | Danbury | CT | — | ◇ 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 |
| SXSafuels X Renewable Fuels Facility | Williston | ND | — | ◇ UNVERIFIED |
| SCSaint-gobain Ceramic Materials / Innovative Organics | Anaheim | CA | — | ◇ UNVERIFIED |
| SBSandhill Bach Rng Facility | Dorchester | WI | — | ◇ UNVERIFIED |
| SFSandhill Five Star Rng | Elk Mound | WI | — | ◇ UNVERIFIED |
| SLSantolubes LLC | Saint Charles | MO | — | ◇ UNVERIFIED |
| SBSapp Brothers, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| SCSartomer CO | New Brunswick | NJ | — | ◇ UNVERIFIED |
| SCSasol Chem USA Llc/oil City | Oil City | PA | — | ◇ UNVERIFIED |
| SNSasol North America INC - Lab Plant | Westlake | LA | — | ◇ UNVERIFIED |
| SASauget Area 2 Sites Group | Sauget | IL | — | ◇ UNVERIFIED |
| SISccs, INC. | New Brockton | AL | — | ◇ UNVERIFIED |
| SLSea Lion Tech INC | Texas City | TX | — | ◇ UNVERIFIED |
| SCService Chemical LLC | North Andover | MA | — | ◇ UNVERIFIED |
| SCSettlers Corporate Center Bldg Six | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SCSettlers Corporate Center Bldg Three | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SRSgr Railyard | San Patricio | TX | — | ◇ UNVERIFIED |
| SASigma - Aldrich Mfg LLC Dekalb Facility | Saint Louis | MO | — | ◇ UNVERIFIED |
| SGSi Group at Bay Logistics | Detroit | MI | — | ◇ UNVERIFIED |
| SGSi Group USA (usaa), LLC - North Plant | Morgantown | WV | — | ◇ UNVERIFIED |
| SPSk Primacor Americas | Freeport | TX | — | ◇ UNVERIFIED |
| SFSmarter Fuel | Wind Gap | PA | — | ◇ UNVERIFIED |
| SASmiley's Auto Shop | Greenbrae | CA | — | ◇ UNVERIFIED |
| SBSmithfield Bioenergy LLC | Minersville | UT | — | ◇ UNVERIFIED |
| SHSnf Holding Company | Commerce | CA | — | ◇ UNVERIFIED |
| SASnf-riceboro (flocryl - Acrylamide Plant) | Riceboro | GA | — | ◇ UNVERIFIED |
| SPSoap Properties LLC | Gardena | CA | — | ◇ UNVERIFIED |
| SLSolenis LLC | Carson | CA | — | ◇ UNVERIFIED |
| SLSolenis LLC | Gainesville | GA | — | ◇ UNVERIFIED |
| SASolstice Advanced Materials Us, INC - Hudson | Hudson | CO | — | ◇ UNVERIFIED |
| SMSolugen Minetta Facility | Houston | TX | — | ◇ UNVERIFIED |
| SPSolutia Plant | Trenton | MI | — | ◇ UNVERIFIED |
| SUSolvay USA INC | New Brunswick | NJ | — | ◇ UNVERIFIED |
| SUSolvay USA Snyder | Snyder | TX | — | ◇ UNVERIFIED |
| SMSoulbrain Mi Incorporated | Kokomo | IN | — | ◇ UNVERIFIED |
| SBSouth Bay Salt Works | Chula Vista | CA | — | ◇ UNVERIFIED |
| SESouthern Energy CO INC | Shelbyville | TN | — | ◇ UNVERIFIED |
 Southern States Chemical, INC. | Savannah | GA | — | ◇ UNVERIFIED |
| SPSpecialty Products - Institute | Institute | WV | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC | Institute | WV | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC - Glutaraldehyde Plant | Institute | WV | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC - Polyox Plant | Institute | WV | — | ◇ UNVERIFIED |
| SPSpi Polyols INC. | New Castle | DE | — | ◇ UNVERIFIED |
| SPSplash Products INC | Ayer | MA | — | ◇ UNVERIFIED |
| SISpontex INC | Columbia | TN | — | ◇ UNVERIFIED |
| SASRD Automotive, LLC | Wauregan | CT | — | ◇ UNVERIFIED |
| SCStallings Chemical Inc. | Pocatello | ID | — | ◇ UNVERIFIED |
| SCStallings Chemical Inc. | Pocatello | ID | — | ◇ UNVERIFIED |
| STStar Thermoplastic Alloys & Rubbers INC | Broadview | IL | — | ◇ UNVERIFIED |
| SJSt Jude Medical Puerto Rico LLC | Arecibo | PR | — | ◇ UNVERIFIED |
