| TMThe Marbleworks | North Port | FL | — | ◇ UNVERIFIED |
| TLTheodor Leonhard Wax Company, INC. | Haledon | NJ | — | ◇ UNVERIFIED |
| TPThe P D George Company | Fort Wayne | IN | — | ◇ UNVERIFIED |
| TPThermedics Polymer Products | Woburn | MA | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific | Bedford, Town of | MA | — | ◇ UNVERIFIED |
| TFThermo Fluids INC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| TFThermo Fluids INC. White City | White City | OR | — | ◇ UNVERIFIED |
| TPThermoplastic Processes INC | Stirling | NJ | — | ◇ UNVERIFIED |
| TSThe Specialty Manufacturing CO | White Bear Lake | MN | — | ◇ UNVERIFIED |
| TSThomas Swan Opelika, INC. | Opelika | AL | — | ◇ UNVERIFIED |
| TCThoroflush CORP | Monroe | MI | — | ◇ UNVERIFIED |
| TCThree Creek Bioenergy | Sheffield | OH | — | ◇ UNVERIFIED |
| TLTicona LLC | Summit | NJ | — | ◇ UNVERIFIED |
| TPTicona Polymers, INC. | Lebanon | TN | — | ◇ UNVERIFIED |
| TPTicona Polymers, INC. | Bishop | TX | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company Etal | Long Beach | CA | — | ◇ UNVERIFIED |
| TTiremaxx | Livonia | MI | — | ◇ UNVERIFIED |
| TCToll Compaction Group LLC | Belpre | OH | — | ◇ UNVERIFIED |
| TCTotal Clean Pasadena Tank Wash | Pasadena | TX | — | ◇ UNVERIFIED |
| TFToxguard Fluid Technologies INC | Stanton | CA | — | ◇ UNVERIFIED |
| TSTrelleborg Sealing Solutions US INC | Elk Rapids | MI | — | ◇ UNVERIFIED |
| TRTricor Refining LLC | Bakersfield | CA | — | ◇ UNVERIFIED |
| TCTrimont Chemicals INC | Peabody | MA | — | ◇ UNVERIFIED |
| TLTrinseo LLC (p1025) | Midland | MI | — | ◇ UNVERIFIED |
| TPTri Pac, INC | Vandalia | MI | — | ◇ UNVERIFIED |
| TITruetech INC | Riverhead | NY | — | ◇ UNVERIFIED |
| TCTwentyfirst Century Biochemic | Marlborough | MA | — | ◇ UNVERIFIED |
| TBTwist Bioscience | Wilsonville | OR | — | ◇ UNVERIFIED |
| URUcar Resinas Caribe INC. | Bayamon | PR | — | ◇ UNVERIFIED |
| UAUltra Additives LLC | Bloomfield | NJ | — | ◇ UNVERIFIED |
| UTUltra Tech Extrusions of Tennessee INC. | Rocky Top | TN | — | ◇ UNVERIFIED |
| UNUnc Naval Products | Norwich | CT | — | ◇ UNVERIFIED |
| UCUngerer & CO CORP | Lincoln Park | NJ | — | ◇ UNVERIFIED |
| ULUnifi-kinston LLC | Kinston | NC | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP | Torrance | CA | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Holz Impoundment | Near South Charleston | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation - Ucar Emulsion Systems | Garland | TX | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Tucker Latex Plant | Tucker | GA | — | ◇ UNVERIFIED |
| UBUnited Biofuels INC - 435 Greenpoint Ave | Brooklyn | NY | — | ◇ UNVERIFIED |
| UIUnited Initiators | Theodore | AL | — | ◇ UNVERIFIED |
| UOUnited Organics CORP | Williamston | NC | — | ◇ UNVERIFIED |
| UPUnited Parcel Service - Ramapo Ridge (njrar) | Mahwah | NJ | — | ◇ UNVERIFIED |
| URUnited Resins INC | Pittsgrove Township | NJ | — | ◇ UNVERIFIED |
| USUnited Salt Corporation | Missouri City | TX | — | ◇ UNVERIFIED |
| USUnivar Solutions Liquids Plant Legacy Magnablend | Waxahachie | TX | — | ◇ UNVERIFIED |
| USUnivar Solutions Ssc Facility | Waxahachie | TX | — | ◇ UNVERIFIED |
| UUUnivar Usa, INC - Williston | Williston | ND | — | ◇ UNVERIFIED |
| UBUniversal Bioenergy of North America INC | Nettleton | MS | — | ◇ UNVERIFIED |
| UOUniversal Oil Products (chemical Division) | East Rutherford | NJ | — | ◇ UNVERIFIED |
| UOUniversity of Portland | Portland | OR | — | ◇ UNVERIFIED |
| URUnocal Retort | Unk | CO | — | ◇ UNVERIFIED |
| UIUraseal INC | Dover | NH | — | ◇ UNVERIFIED |
 Urban Electric Power INC | Pearl River | NY | — | ◇ UNVERIFIED |
| UTUrethane Technology CO INC Plant | Newburgh | NY | — | ◇ UNVERIFIED |
| UEUSA Environment | Pasadena | TX | — | ◇ UNVERIFIED |
| URUSA Resources Technology LLC | Elizabeth | NJ | — | ◇ UNVERIFIED |
| UBUS Biofuels INC. | Rome | GA | — | ◇ UNVERIFIED |
| USUsc Saltville Brine LLC | Saltville | VA | — | ◇ UNVERIFIED |
| UEUS Ecology Mobile Recycling, INC. | Mount Airy | NC | — | ◇ UNVERIFIED |
| UWU.s. Water Services | Aberdeen | MD | — | ◇ UNVERIFIED |
| UWUS Water Services INC | Cambridge | MN | — | ◇ UNVERIFIED |
| USUv Specialties LLC | Saint Charles | IL | — | ◇ UNVERIFIED |
| VCVacuform CORP | Columbus | OH | — | ◇ UNVERIFIED |
| VCValero Corner Store 2351 | Sweeny | TX | — | ◇ UNVERIFIED |
| VPValero Partners Three Rivers | Three Rivers | TX | — | ◇ UNVERIFIED |
| VFValue Fragrances & Flavors | Goshen | NY | — | ◇ UNVERIFIED |
| VSVantage Specialty Ingredients INC | Englewood | OH | — | ◇ UNVERIFIED |
| VSVapor Source Hq | Pueblo | CO | — | ◇ UNVERIFIED |
| VSVarian Sample Preparation Products | Harbor City | CA | — | ◇ UNVERIFIED |
| VIVarn International, INC. | Houston | TX | — | ◇ UNVERIFIED |
| VIVenta INC | Broomfield | CO | — | ◇ UNVERIFIED |
| VRVentura Refining and Transmission, LLC / Thomas Rfnry | Thomas | OK | — | ◇ UNVERIFIED |
| VDVerizon Dover Soc | Dover | DE | — | ◇ UNVERIFIED |
| VVersogen-1603 | Wilmington | DE | — | ◇ UNVERIFIED |
| VMVersum Materials US LLC - Suite 101 | Tempe | AZ | — | ◇ UNVERIFIED |
| VHVertellus Health & Specialty Products LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| VCVertex Chemical Corporation Memphis, Tn | Memphis | TN | — | ◇ UNVERIFIED |
| VPVertex Plastics INC Kearney | Kearney | MO | — | ◇ UNVERIFIED |
| VSVestolit Specialty Resins INC | Avon Lake | OH | — | ◇ UNVERIFIED |
| VUVesuvius USA Site | Chehalis | WA | — | ◇ UNVERIFIED |
| VPVicksburg Petroleum Products LLC | Vicksburg | MS | — | ◇ UNVERIFIED |
| VIVigon International LLC | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| VBVirdia B2x LLC - Raceland Plant | Raceland | LA | — | ◇ UNVERIFIED |
| VIVirdia INC | Danville | VA | — | ◇ UNVERIFIED |
| VLVoltaix LLC | Mount Bethel | PA | — | ◇ UNVERIFIED |
| VTVopak Terminal Perth Amboy | Perth Amboy | NJ | — | ◇ UNVERIFIED |
| VRVoyles Road Facility | Athens | GA | — | ◇ UNVERIFIED |
| WMWaste Management - Opelika | Opelika | AL | — | ◇ UNVERIFIED |
| WIWatcon, INC | South Bend | IN | — | ◇ UNVERIFIED |
| WTWeavertown Transport Leasing INC | Monaca | PA | — | ◇ UNVERIFIED |
| WIWebco, INC. | Soddy Daisy | TN | — | ◇ UNVERIFIED |
| WWWellons Water Technology | Vancouver | WA | — | ◇ UNVERIFIED |
| WIWelsco, INC. | North Little Rock | AR | — | ◇ UNVERIFIED |
| WPWescon Plastics LLC | Wichita | KS | — | ◇ UNVERIFIED |
 Western International Gas & Cylinders, INC. | Berwick | PA | — | ◇ UNVERIFIED |
| WRWestern Refining Terminals LLC - Cottage Grove | Cottage Grove | MN | — | ◇ UNVERIFIED |
| WSWestern Slope Refining CO | Fruita | CO | — | ◇ UNVERIFIED |
| WFWestwego Facility | Westwego | LA | — | ◇ UNVERIFIED |
| WCWhitehead Construction Asphalt Plant | Pascagoula | MS | — | ◇ UNVERIFIED |
| WCWhitehead Construction Company Inc, Whitehead Asphalt Plant | Pascagoula | MS | — | ◇ UNVERIFIED |
