| NSNeel Schaffer Inc, Jitney Jr Number 617 | Tchula | MS | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NBNelson Biotechnologies INC | Flagstaff | AZ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NENew Eden Energy LLC | Saint Cloud | FL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NCNorth Charleston Distribution Terminal, Union Carb | Charleston | WV | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NPNorthwestern Plating Works | Chicago | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NCNottingham Company | Atlanta | GA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NFNouryon Functional Chemicals Burt Plant | Burt | NY | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NPNouryon Pulp & Performance Chemicals | Duluth | GA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NBNovozymes Biologicals INC - South Broad Street | Salem | VA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NINuset Industries, Orrco, 02 Bl (nuseti) | Salt Lake City | UT | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| OFOberon Fuels Kershaw Facility | Brawley | CA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
 Organic Dyes and Pigments | Providence | RI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| OBOsprey Biotechnics | Sarasota | FL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PBPacific Biodiesel INC | Kahului | HI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PCParts Cleaning Technologies LLC | Indianapolis | IN | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PEPe Ell Hulk Hauling | Aberdeen | WA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PRPetra Research INC | Alachua | FL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PIPharmasyn INC | Libertyville | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PIPharmatech International INC | Fairfield | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PIPlexmar Incorporated | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PIPolarome International | Newark | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PCPolo Cleaners 2 | Middletown | RI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
 Polycarbon Industries INC | Ayer | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PSPolychem Services Inc., LLC | Chicago Heights | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PAPolymer Additives - Cleveland Plant | Cleveland | OH | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| PCPolymerine CO INC | New Bedford | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PLPolymerine LTD | New Bedford, City of | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PSPoly Scientific | Bayshore | NY | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PPPorphyrin Products | Logan | UT | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PAPort Arthur Plant | Port Arthur | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PCPremier Chemical Technologies | Lafayette | LA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PSProfrac Svcs LLC Smithfield Fac | Smithfield | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PLPromerus LLC | Brecksville | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PAProviron America INC | Friendly | WV | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| QPQuapaw Products | Helena | AR | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| RCRaj Chemicals Americas LLC | Somerville | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RCRaschig Corporation | Richmond | VA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RERational Energies Hc INC - Plymouth Facility | Plymouth | MN | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RCRaybo Chemical CO | Huntington | WV | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARaytheon Aircraft Co(was Beech Aircraft) | Boulder | CO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RERefrigerant Exchange CORP | Irwindale | CA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARemet Alcohols INC | La Mirada | CA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RERenewable Energy Group, INC. | Okeechobee | FL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RDResin Designs LLC | Newark | CA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc- Cincinnati Plant | Cincinnati | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc, Lone Star Plant | Deer Park | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| RHRohm & Haas Electronic Materials LLC | Freeport | NY | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RCRudolf-venture Chemicals | Rock Hill | SC | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RPRycoline Products INC | Clifton | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SKSafety Kleen Systems INC - South Plainfield Facility | South Plainfield | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
