| PIPepin Ireco INC | Ishpeming | MI | — | ◇ UNVERIFIED |
| PGPerma Groove INC | Lakeville | MN | — | ◇ UNVERIFIED |
| PCPerrigo Company | Greenville | SC | — | ◇ UNVERIFIED |
| PMPeterson Manufacturing and Engineering Facility | Fort Smith | AR | — | ◇ UNVERIFIED |
| PTPharma Tech Industries | Royston | GA | — | ◇ UNVERIFIED |
| PCPilot Chemical Company of Ohio Lockland Plant | Lockland | OH | — | ◇ UNVERIFIED |
| PAPioneer Americas LLC Dba Olin Chlor Alkali Products | Henderson | NV | — | ◇ UNVERIFIED |
| PAPioneer Americas LLC (dba Olin Chlor Alkali Products Sfs) | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PIPlating International INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| PIPolychemie INC. - Wayne, Mi | Wayne | MI | — | ◇ UNVERIFIED |
| PLPolystar, LLC | Dalton | GA | — | ◇ UNVERIFIED |
| PLPolyventive, LLC | Dalton | GA | — | ◇ UNVERIFIED |
| POPosco (printers Oil Supply Co) | Wilmington | MA | — | ◇ UNVERIFIED |
| PPowerlab | Terrell | TX | — | ◇ UNVERIFIED |
| PEPpg Euclid Pretreatment & Specialty Prods | Euclid | OH | — | ◇ UNVERIFIED |
| PCPressure Chem Co/pgh | Pittsburgh | PA | — | ◇ UNVERIFIED |
| PAPride Aci Sanitary Maintenance & Supplies | Avon Park | FL | — | ◇ UNVERIFIED |
| PWProchem Water LLC | Elliston | VA | — | ◇ UNVERIFIED |
| PCPromega Component Manufacturing Center | Fitchburg | WI | — | ◇ UNVERIFIED |
| PCPssi Chemical Innovations | Kieler | WI | — | ◇ UNVERIFIED |
| PTPurification Techs INC | Chester | CT | — | ◇ UNVERIFIED |
 Ques Industries INC | Cleveland | OH | — | ◇ UNVERIFIED |
| RSRefinery Specialties Hempstead Facility | Hempstead | TX | — | ◇ UNVERIFIED |
| RAReg - Albert Lea | Albert Lea | MN | — | ◇ UNVERIFIED |
| RNReg Newton, LLC | Newton | IA | — | ◇ UNVERIFIED |
| RBRenewable Bio Fuels | Port Neches | TX | — | ◇ UNVERIFIED |
| RCRevlis Corporation | Akron | OH | — | ◇ UNVERIFIED |
| RHR H Crown CO INC | Johnstown | NY | — | ◇ UNVERIFIED |
| RCRhein Chemie CORP | Chardon | OH | — | ◇ UNVERIFIED |
| RCRho Chemicals CO | Joliet | IL | — | ◇ UNVERIFIED |
| RJR J Marshall CO | Erie | MI | — | ◇ UNVERIFIED |
 Rochester Midland CORP | Montgomery | IL | — | ◇ UNVERIFIED |
| RLRockwood Lithium INC | Silverpeak | NV | — | ◇ UNVERIFIED |
| RLRoebic Laboratories, INC. | Orange | CT | — | ◇ UNVERIFIED |
| RWRollie Williams Paint Spot INC | Elkhart | IN | — | ◇ UNVERIFIED |
| RSRossborough Supply Src Div | Cleveland | OH | — | ◇ UNVERIFIED |
| RGRousselot Gelatine | Peabody | MA | — | ◇ UNVERIFIED |
| RCRoyal Chemical | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| RCRoyal Chemical CO | Chattanooga | TN | — | ◇ UNVERIFIED |
| RCRyerson Coil Pickling | Chicago | IL | — | ◇ UNVERIFIED |
| SCSafety-kleen CORP INC - Davenport Facility | Davenport | IA | — | ◇ UNVERIFIED |
| SLSeatex LLC | El Campo | TX | — | ◇ UNVERIFIED |
| SISeeler Industries INC | Joliet | IL | — | ◇ UNVERIFIED |
| SCSelect Chemistry-tyler | Tyler | TX | — | ◇ UNVERIFIED |
| STSe Tylose USA INC. and Its Affiliates | Plaquemine | LA | — | ◇ UNVERIFIED |
| SEShaw El Dorado, LLC | El Dorado | AR | — | ◇ UNVERIFIED |
| SCShell Catalysts and Technologies L.p. | Port Allen | LA | — | ◇ UNVERIFIED |
| SLShell Lubricants Fowlerville | Fowlerville | MI | — | ◇ UNVERIFIED |
| SASigma - Aldrich Co-sigma Chemical Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SPSlide Products INC | Wheeling | IL | — | ◇ UNVERIFIED |
| SCSmark CO | South Gate | CA | — | ◇ UNVERIFIED |
| SPSolutions Plus INC | Amelia | OH | — | ◇ UNVERIFIED |
| SCSouthern Chemical & Textiles | Dalton | GA | — | ◇ UNVERIFIED |
| SISouthern Industrial Chemicals, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
 Southern Ionics INC | Sulphur | LA | — | ◇ UNVERIFIED |
| SCStabond CORP | Gardena | CA | — | ◇ UNVERIFIED |
| SCSternocandlelamp CO LLC | Memphis | TN | — | ◇ UNVERIFIED |
| SWSuez Wts USA INC | Addison | IL | — | ◇ UNVERIFIED |
| SWSuez Wts USA INC Beaumont - Plant | Beaumont | TX | — | ◇ UNVERIFIED |
| SCSunburst Chemicals INC. | Minneapolis | MN | — | ◇ UNVERIFIED |
| SCSurpass Chemical CO | Albany | NY | — | ◇ UNVERIFIED |
| SCSurpass Chemical CO INC | Albany | NY | — | ◇ UNVERIFIED |
| SCSyntech Chemicals | Houston | TX | — | ◇ UNVERIFIED |
| TDTalley Defense Systems - Plant #6 | Mesa | AZ | — | ◇ UNVERIFIED |
| TCTaylor Chemical, INC. | Taylor | PA | — | ◇ UNVERIFIED |
| TITechnic INC | Cranston | RI | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley, INC. | Hanford | CA | — | ◇ UNVERIFIED |
| TTTetra Technologies - Chemical Division | West Memphis | AR | — | ◇ UNVERIFIED |
| TTevcoinc | South Plainfield | NJ | — | ◇ UNVERIFIED |
| TDThe Dial Corporation-st. Louis | Saint Louis | MO | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific (milwaukee) LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| TCThird Coast Terminals | Pearland | TX | — | ◇ UNVERIFIED |
| TThunderline-z | Hampstead | NH | — | ◇ UNVERIFIED |
| TSTimpie Salt Processing Plant | Grantsville | UT | — | ◇ UNVERIFIED |
| TCTower Chemical Corporation | Easton | PA | — | ◇ UNVERIFIED |
| TCTransene Company Oakland | Oakland | CA | — | ◇ UNVERIFIED |
| TITrichromatic-west, INC | Commerce | CA | — | ◇ UNVERIFIED |
| TLTwin Lake Chemical, INC. | Lockport | NY | — | ◇ UNVERIFIED |
| UPUltra Pure Solutions INC | Carrollton | TX | — | ◇ UNVERIFIED |
| UPUltra Pure Solutions INC | Castroville | CA | — | ◇ UNVERIFIED |
| USUnilever Supply Chain Inc.-jefferson City Plant | Jefferson City | MO | — | ◇ UNVERIFIED |
| UIUnited Industries Dba Chemsico | Saint Louis | MO | — | ◇ UNVERIFIED |
| USUnivar Solutions Powder Facility | Waxahachie | TX | — | ◇ UNVERIFIED |
| USUnivar Solutions USA - Geneva Branch | Geneva | NY | — | ◇ UNVERIFIED |
| UPUniversal Propulsion Company, INC | Fairfield | CA | — | ◇ UNVERIFIED |
| ULUnx-christeyns, LLC | Greenville | NC | — | ◇ UNVERIFIED |
| ULUop LLC - Baton Rouge Plant | Baton Rouge | LA | — | ◇ UNVERIFIED |
| UBUS Borax INC | Wilmington | CA | — | ◇ UNVERIFIED |
| VIValenite INC - Die & Wear - Walmet | West Branch | MI | — | ◇ UNVERIFIED |
| VBVeolia Borderland Plant | El Paso | TX | — | ◇ UNVERIFIED |
| VDVertellus Dwg LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| VCVicksburg Chemical Company | Vicksburg | MS | — | ◇ UNVERIFIED |
| VEViking Explosives INC | Hibbing | MN | — | ◇ UNVERIFIED |
| VTVoltarc Technologies INC | Waterbury | CT | — | ◇ UNVERIFIED |
| VTVrc Technologies | Brownwood | TX | — | ◇ UNVERIFIED |
| VCVwr Chemicals LLC | Aurora | OH | — | ◇ UNVERIFIED |
| WCW2fuel - Crawfordsville Facility | Crawfordsville | IA | — | ◇ UNVERIFIED |
| WPWacker Polysilicon North America LLC | Charleston | TN | — | ◇ UNVERIFIED |
| WCWalling Chemical Company | Sioux Falls | SD | — | ◇ UNVERIFIED |
| WCWarner Chilcot Company | Fajardo | PR | — | ◇ UNVERIFIED |
