| NBNovozymes Biologicals INC - South Broad Street | Salem | VA | — | ◇ UNVERIFIED |
| NCNuchem Corporation | Allentown | PA | — | ◇ UNVERIFIED |
| NINuset Industries, Orrco, 02 Bl (nuseti) | Salt Lake City | UT | — | ◇ UNVERIFIED |
| NBNutrition & Biosciences USA 1, Llc, Midland | Midland | MI | — | ◇ UNVERIFIED |
| NBNutrition & Biosciences USA 1 LLC - Plaquemine Methocel | Plaquemine | LA | — | ◇ UNVERIFIED |
| OFOberon Fuels Kershaw Facility | Brawley | CA | — | ◇ UNVERIFIED |
| OObiter | Champaign | IL | — | ◇ UNVERIFIED |
| OCOccidental Chemical CORP Sauget Plant | Sauget | IL | — | ◇ UNVERIFIED |
| OAOcean Air Environmental | Lakeland | FL | — | ◇ UNVERIFIED |
| OROcean Reef Pools INC. | Oak Hill | FL | — | ◇ UNVERIFIED |
| OIOkon INC | Lakewood | CO | — | ◇ UNVERIFIED |
| OTOmaha Transloading Corporation | Omaha | NE | — | ◇ UNVERIFIED |
| OSOmnova Solutions, INC. | Dalton | GA | — | ◇ UNVERIFIED |
 Organic Dyes and Pigments | Providence | RI | — | ◇ UNVERIFIED |
| OBOrigin Baltimore Recycling, LLC | Curtis Bay | MD | — | ◇ UNVERIFIED |
| OBOsprey Biotechnics | Sarasota | FL | — | ◇ UNVERIFIED |
| OPOvation Polymers | Medina | OH | — | ◇ UNVERIFIED |
| OPOvation Polymer Technology and Engineered Materials | Medina | OH | — | ◇ UNVERIFIED |
| PBPacific Biodiesel INC | Kahului | HI | — | ◇ UNVERIFIED |
| PLPactiv LLC | Bedford Park | IL | — | ◇ UNVERIFIED |
| PPPactiv Packaging INC | Mineral Wells | WV | — | ◇ UNVERIFIED |
| PEPampa Energy Center | Pampa | TX | — | ◇ UNVERIFIED |
| PTParadis Tank Battery #3 | Paradis | LA | — | ◇ UNVERIFIED |
| PCParts Cleaning Technologies LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| PWPar West Refinery | Kapolei | HI | — | ◇ UNVERIFIED |
| PPPasadena Performance Products | Pasadena | TX | — | ◇ UNVERIFIED |
| PGPd Glycol Beaumont Plant | Beaumont | TX | — | ◇ UNVERIFIED |
| PFPeden Facility | Fort Worth | TX | — | ◇ UNVERIFIED |
| PEPe Ell Hulk Hauling | Aberdeen | WA | — | ◇ UNVERIFIED |
| PCPenetone CORP | Tenafly | NJ | — | ◇ UNVERIFIED |
| PQPennzoil Quaker State | Rouseville | PA | — | ◇ UNVERIFIED |
| PDPermuthane Div of Stahl USA | Peabody | MA | — | ◇ UNVERIFIED |
| PMPetersen Molding Corporation | Norwalk | CA | — | ◇ UNVERIFIED |
| PSPeterson Sys Intl | Duarte | CA | — | ◇ UNVERIFIED |
| PRPetra Research INC | Alachua | FL | — | ◇ UNVERIFIED |
| PCPetromax Carnegie Plt | Carnegie | PA | — | ◇ UNVERIFIED |
| PSPetro Star INC Valdez Refinery | Valdez | AK | — | ◇ UNVERIFIED |
| PBPflaumer Brothers | Ewing | NJ | — | ◇ UNVERIFIED |
| PIPha Industries | Orange | MA | — | ◇ UNVERIFIED |
| PIPharmasyn INC | Libertyville | IL | — | ◇ UNVERIFIED |
| PIPharmatech International INC | Fairfield | NJ | — | ◇ UNVERIFIED |
| PBPhillips Bros Plastics INC | Gardena | CA | — | ◇ UNVERIFIED |
| PPPittsfield Plastics Engineering LLC | Pittsfield | MA | — | ◇ UNVERIFIED |
| PTPlastic Trends INC | Shelby Twp | MI | — | ◇ UNVERIFIED |
| PIPlastipak INC | Havre De Grace | MD | — | ◇ UNVERIFIED |
| PPPlastisol Products INC | Addison | IL | — | ◇ UNVERIFIED |
| PIPlexmar Incorporated | Houston | TX | — | ◇ UNVERIFIED |
| PIPolarome International | Newark | NJ | — | ◇ UNVERIFIED |
| PCPolo Cleaners 2 | Middletown | RI | — | ◇ UNVERIFIED |
 Polycarbon Industries INC | Ayer | MA | — | ◇ UNVERIFIED |
| PIPolychemie INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| PSPolychem Services Inc., LLC | Chicago Heights | IL | — | ◇ UNVERIFIED |
| PLPolyclad Laminates | Millbury | MA | — | ◇ UNVERIFIED |
| PPPolycoat Products | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PIPolygard INC | Tampa | FL | — | ◇ UNVERIFIED |
| PIPolygard INC | Marietta | GA | — | ◇ UNVERIFIED |
| PAPolymer Additives - Cleveland Plant | Cleveland | OH | — | ◇ UNVERIFIED |
| PCPolymer Concentrates | Clinton | MA | — | ◇ UNVERIFIED |
| PRPolymeric Resources CORP | Wayne | NJ | — | ◇ UNVERIFIED |
| PCPolymerine CO INC | New Bedford | MA | — | ◇ UNVERIFIED |
| PLPolymerine LTD | New Bedford, City of | MA | — | ◇ UNVERIFIED |
| PCPolyone CORP | Long Beach | CA | — | ◇ UNVERIFIED |
| PCPolyone CORP (former) | Sussex | WI | — | ◇ UNVERIFIED |
| PCPolyone Corporation | Burlington | NJ | — | ◇ UNVERIFIED |
| PSPoly Scientific | Bay Shore | NY | — | ◇ UNVERIFIED |
| PLPolyventive, LLC | Calhoun | GA | — | ◇ UNVERIFIED |
| PIPolyworks INC | North Smithfield | RI | — | ◇ UNVERIFIED |
| PPPorphyrin Products | Logan | UT | — | ◇ UNVERIFIED |
| PAPort Arthur Plant | Port Arthur | TX | — | ◇ UNVERIFIED |
| PNPort Neches Plant | Port Neches | TX | — | ◇ UNVERIFIED |
| PAPpg Aerospace Cuming Microwave | Avon | MA | — | ◇ UNVERIFIED |
| PIPpg Industries Cr 114 Former Pse&g Coal Gas | Jersey City | NJ | — | ◇ UNVERIFIED |
| PIPpg Industries INC | Springdale | PA | — | ◇ UNVERIFIED |
| PIPpg Industries Inc/lake Charles Complex | Lake Charles | LA | — | ◇ UNVERIFIED |
| PSPraxair Services INC. | Burlington Township | NJ | — | ◇ UNVERIFIED |
| PTPraxair Texas City Hydrogen Complex | Texas City | TX | — | ◇ UNVERIFIED |
| PMPrecision Marble-grandview | Grandview | MO | — | ◇ UNVERIFIED |
| PCPremier Chemical Technologies | Lafayette | LA | — | ◇ UNVERIFIED |
| PCPrinted Circuit Board Manufacturing | Salt Lake City | UT | — | ◇ UNVERIFIED |
| PIProcoaters INC | Lithonia | GA | — | ◇ UNVERIFIED |
| PSProducer S Choice Soy Ene | Moberly | MO | — | ◇ UNVERIFIED |
| PSProfrac Svcs LLC Smithfield Fac | Smithfield | PA | — | ◇ UNVERIFIED |
| PLPromerus LLC | Brecksville | OH | — | ◇ UNVERIFIED |
| PPPro Pel East LLC | South Deerfield | MA | — | ◇ UNVERIFIED |
| PAProviron America INC | Friendly | WV | — | ◇ UNVERIFIED |
| PCPtfe Compounds INC | New Castle | DE | — | ◇ UNVERIFIED |
| PAPtm and W Industries Incorporated | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
 Purel Chemical, LLC | Dade City | FL | — | ◇ UNVERIFIED |
| QCQuality Controlled Manufacturing Site | Kent | WA | — | ◇ UNVERIFIED |
 Quantum Chemical CO Clinton Ma Plant | Clinton | MA | — | ◇ UNVERIFIED |
| QCQuantum Composites INC | Coleman | MI | — | ◇ UNVERIFIED |
| QPQuapaw Products | Helena | AR | — | ◇ UNVERIFIED |
| QAQuest Automotive Products | Gnadenhutten | OH | — | ◇ UNVERIFIED |
| RCRaj Chemicals Americas LLC | Somerville | NJ | — | ◇ UNVERIFIED |
| RARanger Aerofab LLC Dba Ranger Enterprises | Springville | IN | — | ◇ UNVERIFIED |
| RCRaschig Corporation | Richmond | VA | — | ◇ UNVERIFIED |
| RERational Energies Hc INC - Plymouth Facility | Plymouth | MN | — | ◇ UNVERIFIED |
| RMRavago Manufacturing Americas | Houston | TX | — | ◇ UNVERIFIED |
| RCRaybo Chemical CO | Huntington | WV | — | ◇ UNVERIFIED |
| RARaytheon Aircraft Co(was Beech Aircraft) | Boulder | CO | — | ◇ UNVERIFIED |
