| OPOxiteno Pasadena Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| PBPacific Biodiesel | Keaau | HI | — | ◇ UNVERIFIED |
| PCPalm Commodities International | La Vergne | TN | — | ◇ UNVERIFIED |
| PCPeninsula Copper Industries INC | Hubbell | MI | — | ◇ UNVERIFIED |
| PMPergan Marshall | Marshall | TX | — | ◇ UNVERIFIED |
| PMPeterson Manufacturing and Engineering Facility | Fort Smith | AR | — | ◇ 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 |
| PWPlaskolite West Incorporated | Compton | CA | — | ◇ UNVERIFIED |
| PBPoet Biorefining - Macon LLC | Macon | MO | — | ◇ UNVERIFIED |
| PCPolymer Chemistry Chocolate Bayou LLC | Alvin | TX | — | ◇ UNVERIFIED |
| POPoly One CORP | Seabrook | TX | — | ◇ UNVERIFIED |
| PCPolyone CORP | Norwalk | OH | — | ◇ UNVERIFIED |
| PCPolyone Corporation | Henry | IL | — | ◇ UNVERIFIED |
| PLPolystar, LLC | Dalton | GA | — | ◇ UNVERIFIED |
 Polytek Development CORP. | Franklin | IN | — | ◇ UNVERIFIED |
| PLPolyventive, LLC | Dalton | GA | — | ◇ UNVERIFIED |
| POPosco (printers Oil Supply Co) | Wilmington | MA | — | ◇ UNVERIFIED |
| PPowerlab | Terrell | TX | — | ◇ UNVERIFIED |
| PIPraxair Inc- Kingman, Az | Kingman | AZ | — | ◇ UNVERIFIED |
| PFPremier Foam INC | Newnan | GA | — | ◇ UNVERIFIED |
| PCPressure Chem Co/pgh | Pittsburgh | PA | — | ◇ UNVERIFIED |
| PCPssi Chemical Innovations | Kieler | WI | — | ◇ UNVERIFIED |
| PTPurification Techs INC | Chester | CT | — | ◇ UNVERIFIED |
| PDPvs Dx, INC. | Glendale | AZ | — | ◇ UNVERIFIED |
| RFReal Fleet Solutions, LLC | Cocoa | FL | — | ◇ UNVERIFIED |
| RAReg - Albert Lea | Albert Lea | MN | — | ◇ UNVERIFIED |
| RNReg Newton, LLC | Newton | IA | — | ◇ UNVERIFIED |
| RBRenewable Bio Fuels | Port Neches | TX | — | ◇ UNVERIFIED |
| REResinoid Engineering CORP | Skokie | IL | — | ◇ UNVERIFIED |
| RARevitalizing Auto Communities Environmental Response Trust | Anderson | IN | — | ◇ UNVERIFIED |
| RCRho Chemicals CO | Joliet | IL | — | ◇ UNVERIFIED |
| RJR J Marshall CO | Erie | MI | — | ◇ UNVERIFIED |
 Rochester Midland CORP | Montgomery | IL | — | ◇ UNVERIFIED |
| RIRöchling Industrial Cleveland (1318544510) | South Euclid | OH | — | ◇ UNVERIFIED |
| RLRockwood Lithium INC | Silverpeak | NV | — | ◇ UNVERIFIED |
| RARohm and Haas - Hayward Plant | Hayward | CA | — | ◇ UNVERIFIED |
| RGRousselot Gelatine | Peabody | MA | — | ◇ UNVERIFIED |
| SISeeler Industries INC | Joliet | IL | — | ◇ UNVERIFIED |
| SCSepton Company of America | Pasadena | TX | — | ◇ UNVERIFIED |
| SFSes Foam | Spring | 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 |
| SASigma - Aldrich Co-sigma Chemical Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SPSlide Products INC | Wheeling | IL | — | ◇ UNVERIFIED |
 Southern Ionics INC | Sulphur | LA | — | ◇ UNVERIFIED |
| STSpartech Townsend | Pleasant Hill | IA | — | ◇ UNVERIFIED |
| SPSpecialty Polymers | Woodburn | OR | — | ◇ UNVERIFIED |
| SCStabond CORP | Gardena | CA | — | ◇ UNVERIFIED |
| SAStyrolution America LLC | Texas City | TX | — | ◇ UNVERIFIED |
| SCSunbelt Corporation | Rock Hill | SC | — | ◇ UNVERIFIED |
 Sun Chemical CORP Color Intermediates | Cincinnati | OH | — | ◇ UNVERIFIED |
| SCSyntech Chemicals | Houston | TX | — | ◇ UNVERIFIED |
| TMTaylor Made Group LLC | Gloversville | NY | — | ◇ UNVERIFIED |
| TATeknor Apex Thermoplastic | Leominster | MA | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley, INC. | Hanford | CA | — | ◇ UNVERIFIED |
| TTTetra Technologies - Chemical Division | West Memphis | AR | — | ◇ UNVERIFIED |
| TDThe Dow Chemical CO | Wilmington | IL | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company U.s.a., Midland | Midland | MI | — | ◇ UNVERIFIED |
| TDThe Dow Chemical - La Porte Facility | La Porte | TX | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific (milwaukee) LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| TFThermo Fluids INC | Woods Cross | UT | — | ◇ UNVERIFIED |
| TWThe Whitaker Company | Ocoee | FL | — | ◇ UNVERIFIED |
| TCThird Coast Terminals | Pearland | TX | — | ◇ UNVERIFIED |
| TCTower Chemical Corporation | Easton | PA | — | ◇ UNVERIFIED |
| TCTrans Chemical Corp-trans Chemical CORP | Saint Louis | MO | — | ◇ UNVERIFIED |
| TCTransene Company Oakland | Oakland | CA | — | ◇ UNVERIFIED |
| TITrical INC | Hollister | CA | — | ◇ UNVERIFIED |
| TLTwin Lake Chemical, INC. | Lockport | NY | — | ◇ UNVERIFIED |
| UPUltra Pure Solutions INC | Carrollton | TX | — | ◇ UNVERIFIED |
| UPUltra Pure Solutions INC | Castroville | CA | — | ◇ 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 |
| VSValspar Specialty Paints LLC (1576131795) | Massillon | OH | — | ◇ UNVERIFIED |
| VBVeolia Borderland Plant | El Paso | TX | — | ◇ UNVERIFIED |
| VDVertellus Dwg LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| VCVicksburg Chemical Company | Vicksburg | MS | — | ◇ UNVERIFIED |
| VPVisual Pak American Blending | Waukegan | IL | — | ◇ 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 |
| WTWaters Technology Corporation | Taunton | MA | — | ◇ UNVERIFIED |
| WEWestlake Epoxy INC | Bedford Park | IL | — | ◇ UNVERIFIED |
| WIWoodward Iodine Corporation | Woodward | OK | — | ◇ UNVERIFIED |
| WEWorld Energy Biox Biofuels | Galena Park | TX | — | ◇ UNVERIFIED |
| WRW R Grace - Lake Charles Facility | Sulphur | LA | — | ◇ UNVERIFIED |
| XCXerxes CORP | Anaheim | CA | — | ◇ UNVERIFIED |
| ZKZep Kingman | Kingman | AZ | — | ◇ UNVERIFIED |
 Akina, INC. | West Lafayette | IN | — | ◐ LIKELY ACTIVE |
 Alexium, INC | Greer | SC | — | ◐ LIKELY ACTIVE |
 Alon Usa, LP | Brentwood | TN | — | ◐ LIKELY ACTIVE |
 Alta Resource Technologies, INC. | Boulder | CO | — | ◐ LIKELY ACTIVE |
 American Pride Products LLC | Alden | NY | — | ◐ LIKELY ACTIVE |
 Blue Ridge Biofuels LLC | Newton | NC | — | ◐ LIKELY ACTIVE |
| BIBuckman's Inc. | Pottstown | PA | 100–499 | ◐ LIKELY ACTIVE |
 Carus LLC | Peru | IL | — | ◐ LIKELY ACTIVE |
 Cermetech LLC | Cleveland | OH | — | ◐ LIKELY ACTIVE |
