| NLNovastar LP | Midland | TX | — | ◇ UNVERIFIED |
| NNoveon | Leominster | MA | — | ◇ UNVERIFIED |
| NNNovo Nordisk Biochem North America, INC. | Franklinton | NC | — | ◇ UNVERIFIED |
| NBNutrition & Biosciences USA 1, Llc, Midland | Midland | MI | — | ◇ UNVERIFIED |
| NBNutrition & Biosciences USA 1 LLC - Plaquemine Methocel | Plaquemine | LA | — | ◇ UNVERIFIED |
| OPOak Point Plant | Belle Chasse | LA | — | ◇ UNVERIFIED |
| OCOccidental Chemical CORP Sauget Plant | Sauget | IL | — | ◇ UNVERIFIED |
| O3O-cel-o, 3m Company | Tonawanda | NY | — | ◇ UNVERIFIED |
| OCOklahoma City Site | Yukon | OK | — | ◇ UNVERIFIED |
| ONOndeo Nalco Energy Services Plant 114 | Odessa | TX | — | ◇ UNVERIFIED |
| OPOpc Polymers LLC | Columbus | OH | — | ◇ UNVERIFIED |
| OPOrange Plant | Orange | TX | — | ◇ UNVERIFIED |
| OSOsram Sylvania Products INC. - Warren, Pa | Warren | PA | — | ◇ UNVERIFIED |
| OPOvation Polymers | Medina | OH | — | ◇ UNVERIFIED |
| OSOwensboro Specialty Polymers | Owensboro | KY | — | ◇ UNVERIFIED |
| OPOxiteno Pasadena Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| OVOxy Vinyls, LP | Pedricktown | NJ | — | ◇ UNVERIFIED |
| PPPasadena Pvc Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| PCPaseo Cargill Energy | Kansas City | MO | — | ◇ UNVERIFIED |
| PPPentair Pool Products Incorporated | Sanford | NC | — | ◇ UNVERIFIED |
| PPPerstorp Polyols, INC. (0448010133) | Toledo | OH | — | ◇ UNVERIFIED |
| PPPet Processors, L.l.c. (0243000165) | Painesville | OH | — | ◇ UNVERIFIED |
| PCPiedmont Chemical Industries I, LLC | High Point | NC | — | ◇ UNVERIFIED |
| PWPlaskolite West Incorporated | Compton | CA | — | ◇ UNVERIFIED |
| PIPolychemie INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| PAPolymer Additives - Cleveland Plant | Cleveland | OH | — | ◇ UNVERIFIED |
| PCPolymer Chemistry Chocolate Bayou LLC | Alvin | TX | — | ◇ UNVERIFIED |
| PCPolynt Composites Usa, INC. | Ennis | TX | — | ◇ UNVERIFIED |
| PCPolynt Composites Usa, INC. - Forest Park | Forest Park | GA | — | ◇ UNVERIFIED |
| PCPolyone Clinton | Clinton | TN | — | ◇ UNVERIFIED |
| POPoly One CORP | Seabrook | TX | — | ◇ UNVERIFIED |
| PCPolyone CORP | Norwalk | OH | — | ◇ UNVERIFIED |
| PCPolyone Corporation | Henry | IL | — | ◇ UNVERIFIED |
| PIPolyquest INC | Darlington | SC | — | ◇ UNVERIFIED |
| PIPolysource, INC. | Piqua | OH | — | ◇ UNVERIFIED |
| PLPolystar, LLC | Dalton | GA | — | ◇ UNVERIFIED |
 Polytek Development CORP. | Franklin | IN | — | ◇ UNVERIFIED |
| PLPolyventive, LLC | Dalton | GA | — | ◇ UNVERIFIED |
| PLPolyventive, LLC | Calhoun | GA | — | ◇ UNVERIFIED |
| PNPort Neches Terminal | Port Neches | TX | — | ◇ UNVERIFIED |
| POPosco (printers Oil Supply Co) | Wilmington | MA | — | ◇ UNVERIFIED |
| PIPpg Industries | Circleville | OH | — | ◇ UNVERIFIED |
| PIPpg Industries - Delaware | Delaware | OH | — | ◇ UNVERIFIED |
| PIPpg Industries INC | La Porte | TX | — | ◇ UNVERIFIED |
| PIPpg Industries INC. | East Point | GA | — | ◇ UNVERIFIED |
| PFPremier Foam INC | Newnan | GA | — | ◇ UNVERIFIED |
| PCPressure Chem Co/pgh | Pittsburgh | PA | — | ◇ UNVERIFIED |
| PCPrimex Color, Compounding and Additives | Jasper | TN | — | ◇ UNVERIFIED |
| PCPryor Chem CO | Pryor | OK | — | ◇ UNVERIFIED |
| PRPryor Resin Mfg Faclty | Pryor | OK | — | ◇ UNVERIFIED |
| PCPssi Chemical Innovations | Kieler | WI | — | ◇ UNVERIFIED |
| PAPtm and W Industries Incorporated | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PTPurification Techs INC | Chester | CT | — | ◇ UNVERIFIED |
| PLPurolite LLC an Ecolab CO | Philadelphia | PA | — | ◇ UNVERIFIED |
| RCReagent Chemical & Research INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| RFReal Fleet Solutions, LLC | Cocoa | FL | — | ◇ UNVERIFIED |
| RAReg - Albert Lea | Albert Lea | MN | — | ◇ UNVERIFIED |
| RDReg Danville LLC | Danville | IL | — | ◇ UNVERIFIED |
| RGReg Grays Harbor, LLC | Hoquiam | WA | — | ◇ UNVERIFIED |
| RNReg Newton, LLC | Newton | IA | — | ◇ UNVERIFIED |
| RCReichhold Chemicals INC | Morris | IL | — | ◇ UNVERIFIED |
| RLReichhold LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| RLReichhold LLC 2 | Pensacola | FL | — | ◇ UNVERIFIED |
| RBRenewable Bio Fuels | Port Neches | TX | — | ◇ UNVERIFIED |
| ROResearch Organics LLC Dba Safc (1318172081) | Cuyahoga Heights | OH | — | ◇ UNVERIFIED |
| RSResearch Solvents & Chemicals INC | La Vergne | TN | — | ◇ UNVERIFIED |
| RCResinall Corporation | Severn | NC | — | ◇ UNVERIFIED |
| REResinoid Engineering CORP | Skokie | IL | — | ◇ UNVERIFIED |
| RSResin Solutions, LLC | Stratford | CT | — | ◇ UNVERIFIED |
| RIRes-tek, INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| RARevitalizing Auto Communities Environmental Response Trust | Anderson | IN | — | ◇ UNVERIFIED |
| RCReynolds Consumer Products | Temple | TX | — | ◇ UNVERIFIED |
 Reynolds Packaging Kama INC | Hazleton | PA | — | ◇ UNVERIFIED |
| RCRho Chemicals CO | Joliet | IL | — | ◇ UNVERIFIED |
 Rochester Midland CORP | Montgomery | IL | — | ◇ UNVERIFIED |
| RIRöchling Industrial Cleveland (1318544510) | South Euclid | OH | — | ◇ UNVERIFIED |
| RARoehm America LLC | Wallingford | CT | — | ◇ UNVERIFIED |
| RARoehm America LLC - Sanford | Sanford | ME | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals LLC | Knoxville | TN | — | ◇ UNVERIFIED |
| RARohm and Haas - Hayward Plant | Hayward | CA | — | ◇ UNVERIFIED |
| RARohm and Haas Texas Incorporated | Deer Park | TX | — | ◇ UNVERIFIED |
| RURohmax USA LP | Deer Park | TX | — | ◇ UNVERIFIED |
| RHRohm & Haas Chemical LLC | Kankakee | IL | — | ◇ UNVERIFIED |
| RHRohm & Haas Chemicals LLC | Ringwood | IL | — | ◇ UNVERIFIED |
| RGRousselot Gelatine | Peabody | MA | — | ◇ UNVERIFIED |
| RARoyal Adhesives & Sealants LLC | Dalton | GA | — | ◇ UNVERIFIED |
| RARoyal Adhesives & Sealants, LLC | Simpsonville | SC | — | ◇ UNVERIFIED |
| RIRsymrise INC | Brunswick | GA | — | ◇ UNVERIFIED |
| SISabic Innovative Plastics US LLC | Lowndesboro | AL | — | ◇ UNVERIFIED |
| SISabic Innovative Plastics US LLC | Bay Saint Louis | MS | — | ◇ UNVERIFIED |
| SISachem INC | Cleburne | TX | — | ◇ UNVERIFIED |
| STSdc Technologies INC | Irvine | CA | — | ◇ UNVERIFIED |
| SCSepton Company of America | Pasadena | TX | — | ◇ UNVERIFIED |
| SFSes Foam | Spring | TX | — | ◇ UNVERIFIED |
| STSe Tylose USA INC. and Its Affiliates | Plaquemine | LA | — | ◇ UNVERIFIED |
| SMShakespeare Mono Filament | Columbia | SC | — | ◇ UNVERIFIED |
| STShamrock Technologies INC | Newark | NJ | — | ◇ UNVERIFIED |
| SEShaw El Dorado, LLC | El Dorado | AR | — | ◇ UNVERIFIED |
| SIShaw Industries Group INC Plant 8s | Columbia | SC | — | ◇ UNVERIFIED |
| SFShaws Fiberglass and Plastics | Damascus | OR | — | ◇ UNVERIFIED |
