| PCPolyone CORP | Norwalk | OH | — | ◇ UNVERIFIED |
| PCPolyone Corporation | Henry | IL | — | ◇ UNVERIFIED |
| PIPolyquest INC | Darlington | SC | — | ◇ UNVERIFIED |
| PIPolysource, INC. | Piqua | OH | — | ◇ UNVERIFIED |
 Polytek Development CORP. | Franklin | IN | — | ◇ UNVERIFIED |
| PPowerlab | Terrell | TX | — | ◇ UNVERIFIED |
| PIPpg Industries | Circleville | OH | — | ◇ UNVERIFIED |
| PIPpg Industries INC. | East Point | GA | — | ◇ UNVERIFIED |
| PSPraxair Specialty Ceramics | Woodinville | WA | — | ◇ UNVERIFIED |
| PFPremier Foam INC | Newnan | GA | — | ◇ UNVERIFIED |
| PCPrimex Color, Compounding and Additives | Jasper | TN | — | ◇ UNVERIFIED |
| PMPrince Minerals LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| PRPryor Resin Mfg Faclty | Pryor | OK | — | ◇ UNVERIFIED |
| PAPtm and W Industries Incorporated | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PLPurolite LLC an Ecolab CO | Philadelphia | PA | — | ◇ UNVERIFIED |
| PCPvs Chemical, INC. | Chicago | IL | — | ◇ UNVERIFIED |
| PCPvs Chemicals Formerly Dpc Enterprises, L.p. | Mobile | AL | — | ◇ UNVERIFIED |
| PSPvs Steel Services INC | Burns Harbor | IN | — | ◇ UNVERIFIED |
| PTPvs Tech INC | Detroit | MI | — | ◇ UNVERIFIED |
| PTPvs Technologies, INC. (augusta) | Augusta | GA | — | ◇ UNVERIFIED |
 Quad Graphics INC Chemical Research / Technology | Hartford | WI | — | ◇ UNVERIFIED |
| QLQuad/greenfield LLC | Greenfield | IA | — | ◇ UNVERIFIED |
| RCReagent Chemical & Research INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| RFReal Fleet Solutions, LLC | Cocoa | FL | — | ◇ UNVERIFIED |
| RCReichhold Chemicals INC | Morris | IL | — | ◇ UNVERIFIED |
| RLReichhold LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| RLReichhold LLC 2 | Pensacola | FL | — | ◇ UNVERIFIED |
| RCResinall Corporation | Severn | NC | — | ◇ UNVERIFIED |
| REResinoid Engineering CORP | Skokie | IL | — | ◇ UNVERIFIED |
| RSResin Solutions, LLC | Chatom | AL | — | ◇ 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 |
| RIRhodia INC. - Dominguez Plant | Carson | CA | — | ◇ UNVERIFIED |
| RJR J Marshall CO | Erie | MI | — | ◇ UNVERIFIED |
| RIRöchling Industrial Cleveland (1318544510) | South Euclid | OH | — | ◇ UNVERIFIED |
| RLRockwood Lithium INC | Kings Mountain | NC | — | ◇ UNVERIFIED |
| RLRockwood Lithium INC | Silverpeak | NV | — | ◇ 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 |
| RHRohm & Haas Chemical LLC | Kankakee | IL | — | ◇ UNVERIFIED |
| RHRohm & Haas Chemicals LLC | Ringwood | IL | — | ◇ UNVERIFIED |
| RARoyal Adhesives & Sealants LLC | Dalton | GA | — | ◇ UNVERIFIED |
| RARoyal Adhesives & Sealants, LLC | Simpsonville | SC | — | ◇ UNVERIFIED |
| RMRoyal Metal Powders, INC. | Maryville | TN | — | ◇ UNVERIFIED |
| RLRuveon LLC | Soda Springs | ID | — | ◇ UNVERIFIED |
| SISabic Innovative Plastics US LLC | Bay Saint Louis | MS | — | ◇ UNVERIFIED |
