| TCThatcher Chemical of Florida INC | Palmetto | FL | — | ◇ UNVERIFIED |
 Thatcher Company of California, INC. - Stockton | Stockton | CA | — | ◇ UNVERIFIED |
| TCThatcher Company of Montana | Missoula | MT | — | ◇ UNVERIFIED |
| TAThe Andersons Marathon Holdings LLC - Greenville Plant (0819750245) | Greenville | OH | — | ◇ UNVERIFIED |
| TCThe Chemours Company | Fremont | CA | — | ◇ UNVERIFIED |
| TCThe Chemours Company | Niagara Falls | NY | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Deer Park | TX | — | ◇ UNVERIFIED |
| TLThe Lamotte Chemical Products Company | Chestertown | MD | — | ◇ UNVERIFIED |
| TLThe Lewis Chemical CO. | Rome | GA | — | ◇ UNVERIFIED |
| TTThe Tartaric Chemicals Corporation | Modesto | CA | — | ◇ UNVERIFIED |
| TTThe Terra Firma Company C/o Weber Logistics | Chino | CA | — | ◇ UNVERIFIED |
| TSThomas Swan Opelika, INC. | Opelika | AL | — | ◇ UNVERIFIED |
| TCThree Creek Bioenergy | Sheffield | OH | — | ◇ UNVERIFIED |
| TRThree Rivers Energy, LLC (0616010087) | Coshocton | OH | — | ◇ UNVERIFIED |
| TFTiburon Fire Protection District | Tiburon | CA | — | ◇ UNVERIFIED |
| TPTicona Polymers, INC. | Bishop | TX | — | ◇ UNVERIFIED |
| TPTiger-sul Products LLC | Stockton | CA | — | ◇ UNVERIFIED |
| TLTke LLC | Liberty | TN | — | ◇ UNVERIFIED |
| TCTokai Carbon Cb | Long Beach | CA | — | ◇ UNVERIFIED |
| TIToledo Industrial Center Company | Toledo | OH | — | ◇ UNVERIFIED |
| TPTower Product LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| TCTowne Cleaners | Rohnert Park | CA | — | ◇ UNVERIFIED |
| TFToxguard Fluid Technologies INC | Stanton | CA | — | ◇ UNVERIFIED |
| TCTrabuco Canyon Waterdistrict | Lake Forest | CA | — | ◇ UNVERIFIED |
| TITranschem Industries INC. | Fayetteville | GA | — | ◇ UNVERIFIED |
| TITrichromatic-west, INC | Bell | CA | — | ◇ UNVERIFIED |
| TPTric Plant | Mccarran | NV | — | ◇ UNVERIFIED |
| TLTronox LLC | Henderson | NV | — | ◇ UNVERIFIED |
| TMTwelve - Moses Lake Site | Moses Lake | WA | — | ◇ UNVERIFIED |
| ULUas Labs LLC | Wausau | WI | — | ◇ UNVERIFIED |
| UAUbe America INC. | Berkeley | CA | — | ◇ UNVERIFIED |
| UHUcla Hematology Oncology Santa Monica | Santa Monica | CA | — | ◇ UNVERIFIED |
| USUdm Systems LLC | Raleigh | NC | — | ◇ 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 |
| USUmicore Specialty Materials La - Palm Commodities International LLC | Port Allen | LA | — | ◇ UNVERIFIED |
| UCUnion Carbide Brownsville | — | TX | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation | Woodbine | GA | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation | Lugoff | SC | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation - Dow Chemical CO | Institute | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation - Ucc Technology Park Operations | South Charleston | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Tucker Latex Plant | Tucker | GA | — | ◇ UNVERIFIED |
| UBUnited Biochemicals LLC | Sanborn | NY | — | ◇ UNVERIFIED |
| UOUnited Organics CORP | Williamston | NC | — | ◇ UNVERIFIED |
| USUnited States Doe - Savannah River Site Managed and Operated By Srns, LLC | Aiken | SC | — | ◇ UNVERIFIED |
| USUnivar Solutions Usa, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| UBUniversal Bioenergy of North America INC | Nettleton | MS | — | ◇ UNVERIFIED |
| UPUniversal Plant Services | Pasadena | TX | — | ◇ UNVERIFIED |
| UOUniversity of Portland | Portland | OR | — | ◇ UNVERIFIED |
| ULUop LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| UUUrenco USA | Eunice | NM | — | ◇ UNVERIFIED |
| UEUSA Environment | Pasadena | TX | — | ◇ UNVERIFIED |
| UDUsalco/ Delta Chemical CORP | Ashtabula | OH | — | ◇ UNVERIFIED |
| ULUsalco Little Rock Plant, LLC | Little Rock | AR | — | ◇ UNVERIFIED |
| UMUsalco Michigan City Plant, LLC | Michigan City | IN | — | ◇ UNVERIFIED |
| UPUsalco Port Allen Plant LLC | Port Allen | LA | — | ◇ UNVERIFIED |
| USU. S Amines LLC | Axis | AL | — | ◇ UNVERIFIED |
| URUSA Resources Technology LLC | Elizabeth | NJ | — | ◇ UNVERIFIED |
| UAU.s. Army Redstone Arsenal | Redstone Arsenal | AL | — | ◇ UNVERIFIED |
| UBU.s. Biofuels INC | Rome | GA | — | ◇ UNVERIFIED |
| UBUS Biofuels INC. | Rome | GA | — | ◇ UNVERIFIED |
| UDUS Department of the Treasury | Oakland | CA | — | ◇ UNVERIFIED |
| UDUS Doe Kansas City Plant | Kansas City | MO | — | ◇ UNVERIFIED |
| USU S Energy Rng Deer Run | Kewaunee | WI | — | ◇ UNVERIFIED |
| USU S Energy Rng Facility Clover Hill | Ashford | WI | — | ◇ UNVERIFIED |
| UEU.s. Energy Rng Facility Dallmann | Brillion | WI | — | ◇ UNVERIFIED |
| UEUS Enrichment CORP Paducah Gaseous Diffusion Plant | Paducah | KY | — | ◇ UNVERIFIED |
| UGU.s. Gain Rng Facility S&s | Sturgeon Bay | WI | — | ◇ UNVERIFIED |
| UPUsstc - Primary | Richmond | VA | — | ◇ UNVERIFIED |
| USUtica Silicates Plt | Utica | IL | — | ◇ UNVERIFIED |
| VTValenSil Technologies, LLC | Avon Lake | OH | — | ◇ UNVERIFIED |
| VCValley Creative LLC | San Jose | CA | — | ◇ UNVERIFIED |
| VWValley Winery Supplies CORP | Newman | CA | — | ◇ UNVERIFIED |
| VValtris | Fort Worth | TX | — | ◇ UNVERIFIED |
| VSValtris Specialty Chemicals | Bridgeport | NJ | — | ◇ UNVERIFIED |
| VPValue Products INC | Stockton | CA | — | ◇ UNVERIFIED |
| VCVanchlor CO INC | Lockport | NY | — | ◇ UNVERIFIED |
| VIVarn International, INC. | Houston | TX | — | ◇ UNVERIFIED |
| VCVenator Chemicals LLC | Harrisburg | NC | — | ◇ UNVERIFIED |
| VCVenture Chemical INC. | Seagraves | TX | — | ◇ UNVERIFIED |
| VEVerdant Energy Solutions - Palestine | Palestine | TX | — | ◇ UNVERIFIED |
| VHVertellus Health & Specialty Products LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| VCVibrantz CORP | Orrville | OH | — | ◇ UNVERIFIED |
| VRVictory Renewables LLC | Stockton | CA | — | ◇ UNVERIFIED |
| VLVida Labs, LLC | San Leandro | CA | — | ◇ UNVERIFIED |
| VDVigon Distribution Center | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| VIVip International INC | Wilmington | CA | — | ◇ UNVERIFIED |
| VBVirdia B2x LLC - Raceland Plant | Raceland | LA | — | ◇ UNVERIFIED |
| VEVirginia Ethanol Distilling Company | Roanoke | VA | — | ◇ UNVERIFIED |
| VCViridis Chemical CO | Peoria | IL | — | ◇ UNVERIFIED |
| VCViridis Chemical Company | Peoria | IL | — | ◇ UNVERIFIED |
| VVVolusol / Volu-sol / Specialty Alcohols / Volu-sol Janitorial | Tooele | UT | — | ◇ UNVERIFIED |
| WCWa317944017 - Carbitex, INC. | Kennewick | WA | — | ◇ UNVERIFIED |
| WVWabash Valley Resources LLC | West Terre Haute | IN | — | ◇ UNVERIFIED |
| WWWalters Wholesale Electric | Brea | CA | — | ◇ UNVERIFIED |
| WWWalworth Woodcraft INC | Walworth | WI | — | ◇ UNVERIFIED |
| WCWarren Concrete | Corsicana | TX | — | ◇ UNVERIFIED |
| WPWaste Path Sanitary Landfill LLC | Calvert City | KY | — | ◇ UNVERIFIED |
