| NSNatural Soda | Rifle | CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| NDNovaphos Development LLC | Fort Meade | FL | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| NNutrablend | Madera | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OSOklahoma Steel Castings | Tulsa | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OBOld Bridge Chemicals INC | Old Bridge | NJ | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OBOlin - Blue Cube Operations, LLC | Plaquemine | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OCOlin CORP Lake Charles Plant | Westlake | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OEOrion Engineered Carbons, LLC. | Franklin | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PPP4 Production LLC (tv Facility) | Soda Springs | ID | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PCPacific Compounding Pharmacy | Stockton | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PPPact Pharma INC | Riverside | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PDPampa Development & Manufacturing Center | Pampa | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PSPerimeter Solutions Burns Seat Base | Burns | OR | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PSPerimeter Solutions Ontario Seat Base | Ontario Heights | OR | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PCPetra Chemical CO | Dallas | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PAPioneer Americas LLC Dba Olin Chlor Alkali Tracy | Tracy | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PTPlymouth Technology, Inc. | Rochester Hills | MI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PIP.m.c., INC. | Calhoun | GA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PCPq Corporation | South Gate | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PCPq Corporation | Joliet | IL | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PEPrecursor Energetics,inc | Santa Clara | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PIPrism Inks INC | Sunnyvale | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PIPure-chem INC. | Buda | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PTPvs Technologies,. INC. | Portage | IN | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PTPvs Technologies -natrium | New Martinsville | WV | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RCRadiant Color | Richmond | CA | Chemical Manufacturing325132 | — | ◇ UNVERIFIED |
| RCRavago Chemicals North America | Santa Fe Springs | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RTReelement Technologies Operating Corporation | Marion | IN | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RSRemedy Staffing | Avon | NY | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RARemuriate Arkansas LLC | Osceola | AR | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RCResponse Catalyst INC | Omaha | NE | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RTRist/ama Truck Terminal | North Branford | CT | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RRRostam Reifschneider | San Diego | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RSRuben S Avala High School/cvusd | Chino Hills | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SGSalt Gen INC | Lindon | UT | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SSSavage Services CORP | Chicago | IL | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SRSavannah River Nuclear Solutions LLC - Savannah River Site | Aiken | SC | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SMSfsu Mashouf Wellness Center | San Francisco | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SLSolenis, LLC | Morrilton | AR | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SISolesence, INC. | West Lafayette | IN | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| STSolexir Technology CORP | Milpitas | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SESolimar Energy LLC | Placeholder | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SASolstice Advanced Materials Us, INC. Metropolis | Metropolis | IL | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SHSonia Hoang | Tracy | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
 Southern Ionics INC - Lake Charles Port Operations | Lake Charles | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SMSpecialty Minerals (michigan) INC. (p1480) | Quinnesec | MI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SCStandard Carbon, LLC | Dunnellon | FL | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SISulex INC Mount Vernon | Mount Vernon | WA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SRSummit Research Labs, INC. | Middletown | NY | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SLSuperior Lime & Chemical | Phoenix | AZ | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
