| SMSpecialty Minerals INC | Zachary | LA | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Plymouth | NC | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Jay | ME | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Selma | AL | — | ◇ UNVERIFIED |
| SMSpecialty Minerals Incorporated | Franklin | VA | — | ◇ UNVERIFIED |
| SMSpecialty Minerals Inc, Owner, and Specialty Minerals Mississippi Inc, Operator | Brookhaven | MS | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC | Institute | WV | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC - Glutaraldehyde Plant | Institute | WV | — | ◇ UNVERIFIED |
| SISpex Industries INC Chemical & Sample Prep | Metuchen | NJ | — | ◇ UNVERIFIED |
| SPSpi Polyols INC. | New Castle | DE | — | ◇ UNVERIFIED |
| SPSplash Products INC | Ayer | MA | — | ◇ UNVERIFIED |
| SISpontex INC | Columbia | TN | — | ◇ UNVERIFIED |
| SCSrw Cogeneration, L.p. | Orange | TX | — | ◇ UNVERIFIED |
| SCStandard Chlorine | Kearny | NJ | — | ◇ UNVERIFIED |
| STStar Thermoplastic Alloys & Rubbers INC | Broadview | IL | — | ◇ UNVERIFIED |
| SIState Industrial Products | Mayfield Heights | OH | — | ◇ UNVERIFIED |
| SCStoney Creek Technologies LLC | Marcus Hook | PA | — | ◇ UNVERIFIED |
| SPStrahl & Pitsch INC | West Babylon | NY | — | ◇ UNVERIFIED |
| SPStreamline Polymers | Houston | TX | — | ◇ UNVERIFIED |
| SASulphuric Acid Trading | Tampa | FL | — | ◇ UNVERIFIED |
| SPSumika Polymer Compounds America INC. | Griffin | GA | — | ◇ UNVERIFIED |
| SSSummit Supply | Seattle | WA | — | ◇ UNVERIFIED |
 Sun Chemical CORP | Wurtland | KY | — | ◇ UNVERIFIED |
| Sun Chemical CORP | Williamsport | MD | — | ◇ UNVERIFIED |
| SMSuperior Manufacturing Group INC | Chicago | IL | — | ◇ UNVERIFIED |
| SISurtec INC | Valparaiso | IN | — | ◇ UNVERIFIED |
| SSSw Shattuck Chemical CO INC | Denver | CO | — | ◇ UNVERIFIED |
| SISymrise INC | Chester | NY | — | ◇ UNVERIFIED |
| SBSynergy Biofuels LLC -2 | Pennington Gap | VA | — | ◇ UNVERIFIED |
| SLSynthepor LLC | Nampa | ID | — | ◇ UNVERIFIED |
| SASynthomer Adhesive Tehcnologies Eastoflex and East | Longview | TX | — | ◇ UNVERIFIED |
| TITakasago International CORP (usa) | University Park | IL | — | ◇ UNVERIFIED |
| THTaminco Higher Amines INC | Riverview | MI | — | ◇ UNVERIFIED |
| TLTdc Llc-corpus Christi Plant | Corpus Christi | TX | — | ◇ UNVERIFIED |
| TLTdc LLC - Westlake Plant | Westlake | LA | — | ◇ UNVERIFIED |
| TCTek Chemical Site | Portland | OR | — | ◇ 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 |
| TGTexas Gulf Industries, INC. | Baltimore | MD | — | ◇ UNVERIFIED |
| TCThatcher Chemical of Florida INC | Palmetto | FL | — | ◇ UNVERIFIED |
 Thatcher Company of California, INC. - Stockton | Stockton | CA | — | ◇ UNVERIFIED |
| TCThe Clorox Company | Pleasanton | 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 |
| UMUmi Metalfab | Menomonee Falls | WI | — | ◇ 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 Technology Recycling CORP | Canton | OH | — | ◇ UNVERIFIED |
| UTUS Titanium | Piney River | VA | — | ◇ UNVERIFIED |
| USUtica Silicates Plt | Utica | IL | — | ◇ UNVERIFIED |
| UDUti / Diversey Distribution Center | Sturtevant | WI | — | ◇ UNVERIFIED |
| VSVantage Specialty Ingredients INC | Englewood | OH | — | ◇ UNVERIFIED |
| VIVarn International, INC. | Houston | TX | — | ◇ UNVERIFIED |
| VLVenus Labs INC | Opa Locka | FL | — | ◇ 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 |
| VPVisual Pak C/o Clorox | Waukegan | IL | — | ◇ UNVERIFIED |
| VCVitex CORP | Cleveland | OH | — | ◇ UNVERIFIED |
| VMVorbeck Materials CORP. | Jessup | MD | — | ◇ UNVERIFIED |
| VRVp Racing Fuels Fulfillment Center | Huntingdon | TN | — | ◇ UNVERIFIED |
| WTWeavertown Transport Leasing INC | Monaca | PA | — | ◇ UNVERIFIED |
| WCWepak Corporation | Charlotte | NC | — | ◇ UNVERIFIED |
| WCWesmar Company Site | Seattle | WA | — | ◇ UNVERIFIED |
| WTWesthollow Technology Center | Houston | TX | — | ◇ UNVERIFIED |
| WCWilana Chemical, LLC | Columbus | GA | — | ◇ UNVERIFIED |
| WRWolf River Plant | Memphis | TN | — | ◇ UNVERIFIED |
| WCWonder Chemical CORP | Fairless Hills | PA | — | ◇ UNVERIFIED |
| WCWood Care Systems | Kirkland | WA | — | ◇ UNVERIFIED |
