| LALyondellbasell Acetyls LLC (formerly Millennium) | La Porte | TX | — | ◇ UNVERIFIED |
| LCLyondell Chemical CO - Chocolate Bayou Chemicals Plant | Alvin | TX | — | ◇ UNVERIFIED |
| MMacdermid | Pasadena | TX | — | ◇ UNVERIFIED |
| MMateria | Huntsville | TX | — | ◇ UNVERIFIED |
| MCMilliken Chemical Dewey Plant | Inman | SC | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC | Norco | LA | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC | Springfield | OR | — | ◇ UNVERIFIED |
| MSMpm Silicones LLC | Friendly | WV | — | ◇ UNVERIFIED |
| NCNalco Champion | Freeport | TX | — | ◇ UNVERIFIED |
 Nalco Company LLC | Montgomery | AL | — | ◇ UNVERIFIED |
| Nalco Production LLC - Garyville Facility | Garyville | LA | — | ◇ UNVERIFIED |
| Nalco Production LLC - Nalco Company Port Allen | Port Allen | LA | — | ◇ UNVERIFIED |
| NWNalco Water Fresno Texas Facility | Fresno | TX | — | ◇ UNVERIFIED |
| NNoltex | La Porte | TX | — | ◇ UNVERIFIED |
| NFNouryon Functional Chemicals LLC Battleground | La Porte | TX | — | ◇ UNVERIFIED |
| NCNova Chemicals Olefins LLC - Geismar Ethylene Plant | Geismar | LA | — | ◇ UNVERIFIED |
| NTNusil Technology | Carpinteria | CA | — | ◇ UNVERIFIED |
| NTNusil Technology | Irving | TX | — | ◇ UNVERIFIED |
| OPOak Point Plant | Belle Chasse | LA | — | ◇ UNVERIFIED |
| OBOlin Blue Cube | Freeport | TX | — | ◇ UNVERIFIED |
| OCOmega Chemicals INC | Cowpens | SC | — | ◇ UNVERIFIED |
| OCOq Chemicals Bishop LLC | Bishop | TX | — | ◇ UNVERIFIED |
| OROregon Rubber Mills | Corvallis | OR | — | ◇ UNVERIFIED |
| OTOregon Tread Rubber Company | Eugene | OR | — | ◇ UNVERIFIED |
| OCOrtec Clean Room Addition | Piedmont | SC | — | ◇ UNVERIFIED |
| OVOxy Vinyls LP - Deer Park Pvc | Deer Park | TX | — | ◇ UNVERIFIED |
| OVOxy Vinyls, LP - La Porte Vcm Plant | La Porte | TX | — | ◇ UNVERIFIED |
| PEPacific Ethanol Magic Valley LLC | Burley | ID | — | ◇ UNVERIFIED |
| PPPasadena Performance Products | Pasadena | TX | — | ◇ UNVERIFIED |
| PPPasadena Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| PPPasadena Plastics Complex | Pasadena | TX | — | ◇ UNVERIFIED |
| PHPerformance Health | Akron | OH | — | ◇ UNVERIFIED |
| PMPergan Marshall | Marshall | TX | — | ◇ UNVERIFIED |
| PMPlumley Marugo Limited | Paris | TN | — | ◇ UNVERIFIED |
| PBPoet Biorefining - Macon LLC | Macon | MO | — | ◇ UNVERIFIED |
| PPPolycoat Products | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PAPolymer Additives - Cleveland Plant | Cleveland | OH | — | ◇ UNVERIFIED |
| PAPort Arthur Plant | Port Arthur | TX | — | ◇ UNVERIFIED |
| PEPrairie Ethanol, LLC | Mitchell | SD | — | ◇ UNVERIFIED |
| PIPraxair Inc- Kingman, Az | Kingman | AZ | — | ◇ UNVERIFIED |
| PCPreferred Compounding CORP Wholly Owned By Hexpol Holding INC. Dba Preferred Com | Huntingdon | TN | — | ◇ UNVERIFIED |
| PDPvs Dx, INC. | Glendale | AZ | — | ◇ UNVERIFIED |
| QIQuanex Ig Systems INC Dba Quanex Custom Mixing | Cambridge | OH | — | ◇ UNVERIFIED |
| RCRogers CORP - Hpf-b | Carol Stream | IL | — | ◇ UNVERIFIED |
| RARohm and Haas Texas Incorporated | Deer Park | TX | — | ◇ UNVERIFIED |
| RSR & S Processing CO INC | Paramount | CA | — | ◇ UNVERIFIED |
| RORutgers Organics CORP | Harrison | OH | — | ◇ UNVERIFIED |
| SRSabine River Operations | Orange | TX | — | ◇ UNVERIFIED |
| SPScott Petroleum Greenville Terminal | Greenville | MS | — | ◇ UNVERIFIED |
| SLSea Lion Technology INC | Texas City | TX | — | ◇ UNVERIFIED |
| SSSekisui Specialty Chemicals America LLC. - Pasadena Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| SCShell Chemical Appalachia LLC | Monaca | PA | — | ◇ UNVERIFIED |
| SCShell Chemical LP - Geismar Plant | Geismar | LA | — | ◇ UNVERIFIED |
| SSShinetsu Silicones of America - Freeport Plant | Freeport | TX | — | ◇ UNVERIFIED |
| SGSi Group INC Tx Operations | Freeport | TX | — | ◇ UNVERIFIED |
| SSSolvay Specialty Polymers USA | Borger | TX | — | ◇ UNVERIFIED |
| SSSolvay Specialty Polymers USA - Ryton Facility | Borger | TX | — | ◇ UNVERIFIED |
| SUSolvay USA INC | Spartanburg | SC | — | ◇ UNVERIFIED |
| SCStepan Company | Anaheim | CA | — | ◇ UNVERIFIED |
| SAStyrolution America LLC | Texas City | TX | — | ◇ UNVERIFIED |
| SCSunbelt Corporation | Rock Hill | SC | — | ◇ UNVERIFIED |
 Sun Chemical CORP Color Intermediates | Cincinnati | OH | — | ◇ UNVERIFIED |
| TATenneco Automotive - Monroe Clevite Elastomers (0322000048) | Milan | OH | — | ◇ UNVERIFIED |
| TCTexas City Crude Oil Terminal | Texas City | TX | — | ◇ UNVERIFIED |
| TPTexas Petrochemicals | Houston | TX | — | ◇ UNVERIFIED |
| TDThe Dow Chemical CO - Louisiana Operations | Plaquemine | LA | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company U.s.a., Midland | Midland | MI | — | ◇ UNVERIFIED |
| TDThe Dow Chemical - La Porte Facility | La Porte | TX | — | ◇ UNVERIFIED |
| TWThe Whitaker Company | Ocoee | FL | — | ◇ UNVERIFIED |
| TPTotalenergies Petrochemicals & Refining USA INC - Cos-mar Styrene Monomer Plant | Carville | LA | — | ◇ UNVERIFIED |
| TPTotal Petrochemicals Usa, INC. Bayport Hdpe Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| TETownley Engineering & Manufacturing CO | Ocala | FL | — | ◇ UNVERIFIED |
| TCTrans Chemical Corp-trans Chemical CORP | Saint Louis | MO | — | ◇ UNVERIFIED |
| THTrecora Hydrocarbons Combined Facility | Silsbee | TX | — | ◇ UNVERIFIED |
| TITrical INC | Hollister | CA | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation, Institute Plant | Institute | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP -so Charleston Fac. | South Charleston | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP - St Charles Plant | Hahnville | LA | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Technology Park | Charleston | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide Seadrift Cogen | Seadrift | TX | — | ◇ UNVERIFIED |
| UTUnivation Technologies LLC - Catalyst Plant | South Charleston | WV | — | ◇ UNVERIFIED |
| VRValero Renewable Fuels Company | Aurora | SD | — | ◇ UNVERIFIED |
| VSVictoria Site | Victoria | TX | — | ◇ UNVERIFIED |
| VPVisual Pak American Blending | Waukegan | IL | — | ◇ UNVERIFIED |
| VPVoranol_specialty Polyurethane Chemicals (spc) | Freeport | TX | — | ◇ UNVERIFIED |
| VRVp Racing Fuels Fulfillment Center | Huntingdon | TN | — | ◇ UNVERIFIED |
| WCWayne County Rubber INC. | Wooster | OH | — | ◇ UNVERIFIED |
| WCWestlake Chemicals & Vinyls LLC - Plaquemine Facility | Plaquemine | LA | — | ◇ UNVERIFIED |
| WNWestlake Natrium Llc, Westlake Natrium | Proctor | WV | — | ◇ UNVERIFIED |
| WPWestlake Petrochemical LP | Sulphur | LA | — | ◇ UNVERIFIED |
| WPWestlake Polymers Corp, Poly 1 & 2 | Sulphur | LA | — | ◇ UNVERIFIED |
| WVWestlake Vinyls CO LP - Geismar Facility | Geismar | LA | — | ◇ UNVERIFIED |
| WLWsp Lock Haven Manufacturing Facility | Castanea | PA | — | ◇ UNVERIFIED |
| WPWynn's Precision, INC. | Lebanon | TN | — | ◇ UNVERIFIED |
| ZCZeon Chemicals LP | Hattiesburg | MS | — | ◇ UNVERIFIED |
| ASAirBoss Silicone LLC | Auburn Hills | MI | 1–19 | ◐ LIKELY ACTIVE |
| AArchwood | Akron | OH | 20–99 | ◐ LIKELY ACTIVE |
| AOARLANXEO, Orange Site, Texas | Orange | TX | 100–499 | ◐ LIKELY ACTIVE |
| BCBASF Corporation Plant 1 | Chattanooga | TN | 20–99 | ◐ LIKELY ACTIVE |
| BCBASF Corporation Plant 2 | Chattanooga | TN | 20–99 | ◐ LIKELY ACTIVE |
