| OVOxy Vinyls, LP - La Porte Vcm Plant | La Porte | TX | — | ◇ UNVERIFIED |
| PBPacific Biodiesel | Keaau | HI | — | ◇ UNVERIFIED |
| PEPacific Ethanol Magic Valley LLC | Burley | ID | — | ◇ UNVERIFIED |
| PPParamount Petroleum Corporation Refinery | Paramount | CA | — | ◇ UNVERIFIED |
| PHPar Hawaii Refining - Refinery | Kapolei | HI | — | ◇ UNVERIFIED |
| PMPar Montana, LLC - Billings Refinery | Billings | MT | — | ◇ UNVERIFIED |
| PWPar West Refinery | Kapolei | HI | — | ◇ UNVERIFIED |
| PPPasadena Performance Products | Pasadena | TX | — | ◇ UNVERIFIED |
| PPPasadena Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| PPPasadena Plastics Complex | Pasadena | TX | — | ◇ UNVERIFIED |
| PPPasadena Pvc Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| PRPasadena Refining System, INC. | Pasadena | TX | — | ◇ UNVERIFIED |
| PCPaseo Cargill Energy | Kansas City | MO | — | ◇ UNVERIFIED |
| POPeerless Oil & Chemicals, INC - Penuelas | Penuelas | PR | — | ◇ UNVERIFIED |
| PPPentair Pool Products Incorporated | Sanford | NC | — | ◇ UNVERIFIED |
| PMPergan Marshall | Marshall | TX | — | ◇ UNVERIFIED |
| PPPerstorp Polyols, INC. (0448010133) | Toledo | OH | — | ◇ UNVERIFIED |
| PPPet Processors, L.l.c. (0243000165) | Painesville | OH | — | ◇ UNVERIFIED |
| P6Phillips 66 Company | Roxana | IL | — | ◇ UNVERIFIED |
| P6Phillips 66 Company Wilmington Plant | Wilmington | CA | — | ◇ UNVERIFIED |
| P6Phillips 66 CO - Sweeny Refinery | Old Ocean | TX | — | ◇ UNVERIFIED |
| P6Phillips 66 - Kansas City Fairfax Terminal | Kansas City | KS | — | ◇ UNVERIFIED |
| PCPiedmont Chemical Industries I, LLC | High Point | NC | — | ◇ UNVERIFIED |
| PWPlaskolite West Incorporated | Compton | CA | — | ◇ UNVERIFIED |
| PBPoet Biorefining - Macon LLC | Macon | MO | — | ◇ UNVERIFIED |
| PIPolychemie INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| PPPolycoat Products | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PAPolymer Additives - Cleveland Plant | Cleveland | OH | — | ◇ UNVERIFIED |
| PCPolymer Chemistry Chocolate Bayou LLC | Alvin | TX | — | ◇ UNVERIFIED |
| PCPolynt Composites USA INC | Valley Park | MO | — | ◇ 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 | Calhoun | GA | — | ◇ UNVERIFIED |
| PLPolyventive, LLC | Dalton | GA | — | ◇ UNVERIFIED |
| PCPonca City Refinery | Ponca City | OK | — | ◇ UNVERIFIED |
| PAPort Allen Refinery | Port Allen | LA | — | ◇ UNVERIFIED |
| PAPort Arthur Manufacturing Complex | Port Arthur | TX | — | ◇ UNVERIFIED |
| PAPort Arthur Plant | Port Arthur | TX | — | ◇ UNVERIFIED |
| PNPort Neches Terminal | Port Neches | TX | — | ◇ UNVERIFIED |
| POPosco (printers Oil Supply Co) | Wilmington | MA | — | ◇ UNVERIFIED |
| PPotac | Corpus Christi | TX | — | ◇ 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 |
| PEPrairie Ethanol, LLC | Mitchell | SD | — | ◇ UNVERIFIED |
| PHPrairie Horizon Agri-energy, LLC | Phillipsburg | KS | — | ◇ UNVERIFIED |
| PIPraxair Inc- Kingman, Az | Kingman | AZ | — | ◇ UNVERIFIED |
| PFPremier Foam INC | Newnan | GA | — | ◇ UNVERIFIED |
| PCPressure Chem Co/pgh | Pittsburgh | PA | — | ◇ UNVERIFIED |
| PCPrimex Color, Compounding and Additives | Jasper | TN | — | ◇ UNVERIFIED |
| PRPrinceton Refinery | Princeton | LA | — | ◇ 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 |
| PDPvs Dx, INC. | Glendale | AZ | — | ◇ 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 |
| RRRobinson Refining Logistics LLC | Robinson | 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 |
