| SCStoney Creek Technologies LLC | Marcus Hook | PA | — | ◇ UNVERIFIED |
| SPStreamline Polymers | Houston | TX | — | ◇ UNVERIFIED |
| SASulphuric Acid Trading | Tampa | FL | — | ◇ UNVERIFIED |
Sun Chemical CORP | Williamsport | MD | — | ◇ UNVERIFIED |
| SISurtec INC | Valparaiso | IN | — | ◇ UNVERIFIED |
| SSSw Shattuck Chemical CO INC | Denver | CO | — | ◇ UNVERIFIED |
| SISymrise INC | Chester | NY | — | ◇ UNVERIFIED |
| SLSynthepor LLC | Nampa | ID | — | ◇ UNVERIFIED |
| SASynthomer Adhesive Tehcnologies Eastoflex and East | Longview | TX | — | ◇ UNVERIFIED |
| TITakasago International CORP (usa) | University Park | IL | — | ◇ UNVERIFIED |
| TLTdc Llc-corpus Christi Plant | Corpus Christi | TX | — | ◇ UNVERIFIED |
| TLTdc LLC - Westlake Plant | Westlake | LA | — | ◇ UNVERIFIED |
| TATeknor Apex CO | Attleboro | MA | — | ◇ UNVERIFIED |
| TTeknos | Charlotte | NC | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC | Fresno | CA | — | ◇ UNVERIFIED |
| TCTetra Chemicals | Westlake | LA | — | ◇ UNVERIFIED |
| TFTexas Fluorescence Laboratories | Austin | TX | — | ◇ UNVERIFIED |
| TCThatcher Chemical of Florida INC | Palmetto | FL | — | ◇ UNVERIFIED |
Thatcher Company of California, INC. - Stockton | Stockton | CA | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Magnolia | AR | — | ◇ UNVERIFIED |
| TLThe Lewis Chemical CO. | Rome | GA | — | ◇ UNVERIFIED |
| TLTheodor Leonhard Wax Company, INC. | Haledon | NJ | — | ◇ UNVERIFIED |
| TETherm-o-rock East INC | Donora | PA | — | ◇ UNVERIFIED |
| TWThe Whitaker Company | Spartanburg | SC | — | ◇ UNVERIFIED |
| TSThomas Swan Opelika, INC. | Opelika | AL | — | ◇ UNVERIFIED |
| TCThree Creek Bioenergy | Sheffield | OH | — | ◇ UNVERIFIED |
| TPTicona Polymers, INC. | Bishop | TX | — | ◇ UNVERIFIED |
| TCTotal Clean Pasadena Tank Wash | Pasadena | TX | — | ◇ UNVERIFIED |
| TFToxguard Fluid Technologies INC | Stanton | CA | — | ◇ UNVERIFIED |
| TZTrace Zero INC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| TCTwentyfirst Century Biochemic | Marlborough | MA | — | ◇ UNVERIFIED |
| TBTwist Bioscience | Wilsonville | OR | — | ◇ UNVERIFIED |
| UAUmicore Autocat USA INC | Catoosa | OK | — | ◇ UNVERIFIED |
| UCUmicore Cobalt & Energy Products | Maxton | NC | — | ◇ UNVERIFIED |
| UPUmicore Precious Metals Chemistry (pmc) USA LLC | Catoosa | OK | — | ◇ UNVERIFIED |
| USUmicore Specialty Chemicals - Arab Facility | Arab | AL | — | ◇ UNVERIFIED |
| UNUnc Naval Products | Norwich | CT | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Tucker Latex Plant | Tucker | GA | — | ◇ UNVERIFIED |
| UIUnited Initiators | Theodore | AL | — | ◇ UNVERIFIED |
| UOUnited Organics CORP | Williamston | NC | — | ◇ UNVERIFIED |
| UBUniversal Bioenergy of North America INC | Nettleton | MS | — | ◇ UNVERIFIED |
| UOUniversity of Portland | Portland | OR | — | ◇ UNVERIFIED |
| UUUrenco USA | Eunice | NM | — | ◇ UNVERIFIED |
| UEUSA Environment | Pasadena | TX | — | ◇ UNVERIFIED |
| UDUsalco/ Delta Chemical CORP | Ashtabula | OH | — | ◇ UNVERIFIED |
| UMUsalco Michigan City Plant, LLC | Michigan City | IN | — | ◇ UNVERIFIED |
| URUSA Resources Technology LLC | Elizabeth | NJ | — | ◇ UNVERIFIED |
| UBUS Biofuels INC. | Rome | GA | — | ◇ UNVERIFIED |
| UTUS Titanium | Piney River | VA | — | ◇ UNVERIFIED |
| USUtica Silicates Plt | Utica | IL | — | ◇ UNVERIFIED |
| VSVantage Specialty Ingredients INC | Englewood | OH | — | ◇ UNVERIFIED |
| VIVarn International, INC. | Houston | TX | — | ◇ UNVERIFIED |
| VHVertellus Health & Specialty Products LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| VVertex | Camanche | IA | — | ◇ UNVERIFIED |
| VMVibrantz Minerals | Houston | TX | — | ◇ UNVERIFIED |
| VIVigon International LLC | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| VBVirdia B2x LLC - Raceland Plant | Raceland | LA | — | ◇ UNVERIFIED |
| VIVirdia INC | Danville | VA | — | ◇ UNVERIFIED |
| VMVorbeck Materials CORP. | Jessup | MD | — | ◇ UNVERIFIED |
| WTWeavertown Transport Leasing INC | Monaca | PA | — | ◇ UNVERIFIED |
| WCWilana Chemical, LLC | Columbus | GA | — | ◇ UNVERIFIED |
| WRWolf River Plant | Memphis | TN | — | ◇ UNVERIFIED |
| WCWood Care Systems | Kirkland | WA | — | ◇ UNVERIFIED |
| WGW.r. Grace & CO. - Conn. Grace Construction Products | Augusta | GA | — | ◇ UNVERIFIED |
| XIXena International INC | Polo | IL | — | ◇ UNVERIFIED |
| YNYara North America, INC. Dba Greeneville Cn Facility | Midway | TN | — | ◇ UNVERIFIED |
| YLYound Living Lavendar Farms | Saint Maries | ID | — | ◇ UNVERIFIED |
| 9S910PC Safe Foods | Kieler | WI | 20–99 | ◐ LIKELY ACTIVE |
| 9S910SF Safe Foods | North Little Rock | AR | 100–499 | ◐ LIKELY ACTIVE |
| ALAcme Location | Riegelwood | NC | 20–99 | ◐ LIKELY ACTIVE |
| AMAdvanced Materials and Catalysts LLC R&D | Conshohocken | PA | 20–99 | ◐ LIKELY ACTIVE |
| ASAdvanced Specialty Gases, LLC | Reno | NV | — | ◐ LIKELY ACTIVE |
| ASAdvancion - Sterlington, LA | Sterlington | LA | 100–499 | ◐ LIKELY ACTIVE |
| AHAdvanSix - Hopewell Plant | Hopewell | VA | 500+ | ◐ LIKELY ACTIVE |
| APAdvanSix - Portsmouth Plant | Portsmouth | VA | 1–19 | ◐ LIKELY ACTIVE |
| AAAGP Algona Methyl Ester | Algona | IA | 20–99 | ◐ LIKELY ACTIVE |
| AEAic Energy CORP | Las Vegas | NV | — | ◐ LIKELY ACTIVE |
| ALAir Liquide Advanced Materials - Fremont Facility | Fremont | CA | 100–499 | ◐ LIKELY ACTIVE |
| ACAlbany Chemical | Albany | OR | 20–99 | ◐ LIKELY ACTIVE |
| ACAlbemarle Corporation- Charlotte | Charlotte | NC | 100–499 | ◐ LIKELY ACTIVE |
| ACAlbemarle Corporation- Clearlake | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| ANAlbemarle- New Johnsonville | New Johnsonville | TN | 20–99 | ◐ LIKELY ACTIVE |
| AUAlbemarle U.S. Inc | Kings Mountain | NC | 100–499 | ◐ LIKELY ACTIVE |
| AUAllied Universal Corporation - Brunswick, GA | Brunswick | GA | 20–99 | ◐ LIKELY ACTIVE |
| AUAllied Universal Corporation - Ellisville MS | Ellisville | MS | 1–19 | ◐ LIKELY ACTIVE |
| AUAllied Universal Corporation - Fort Pierce, FL | Fort Pierce | FL | 20–99 | ◐ LIKELY ACTIVE |
| AUAllied Universal Corporation - Palmetto FL | Palmetto | FL | 20–99 | ◐ LIKELY ACTIVE |
| AKALTIVIA Ketones & Additives, LLC | Dunbar | WV | 1–19 | ◐ LIKELY ACTIVE |
| ASALTIVIA Specialty Chemicals, LLC | La Porte | TX | 20–99 | ◐ LIKELY ACTIVE |
| AAmericanAcryl | Pasadena | TX | 20–99 | ◐ LIKELY ACTIVE |
| ARAmerican Radiolabeled Chemicals, INC. | Saint Louis | MO | — | ◐ LIKELY ACTIVE |
| ASAmerican Selenite, LLC | Littleton | CO | — | ◐ LIKELY ACTIVE |
| ASAmerican Soda (Solvay Chemicals) Parachute Sodium Bicarbonate Facility | Parachute | CO | 20–99 | ◐ LIKELY ACTIVE |
| AGAmes Goldsmith Corp - Rogers St | Glens Falls | NY | 20–99 | ◐ LIKELY ACTIVE |
| AEANP Enertech Inc. Kentucky | Elizabethtown | KY | 1–19 | ◐ LIKELY ACTIVE |
| AAPTech | West Chester | OH | 20–99 | ◐ LIKELY ACTIVE |
| ALArcadium Lithium | Bessemer City | NC | 100–499 | ◐ LIKELY ACTIVE |
| AAArclin Amines | Belle | WV | 20–99 | ◐ LIKELY ACTIVE |
| AUArclin USA - Springfield | Springfield | OR | 20–99 | ◐ LIKELY ACTIVE |
| ALArkansas Lithium Demonstration Plant | El Dorado | AR | 20–99 | ◐ LIKELY ACTIVE |