| UCUnion Carbide CORP | Torrance | CA | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Holz Impoundment | Near South Charleston | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation | Lugoff | SC | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation | Woodbine | GA | — | ◇ 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 Salt Corporation | Missouri City | TX | — | ◇ UNVERIFIED |
| USUnited States Department of Energy Savannah River Site | Aiken | SC | — | ◇ UNVERIFIED |
| USUnivar Solutions Liquids Plant Legacy Magnablend | Waxahachie | TX | — | ◇ UNVERIFIED |
| USUnivar Solutions USA LLC | Fairfield | CA | — | ◇ UNVERIFIED |
| USUnivar Solutions Usa, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| UUUnivar USA INC | Hobbs | NM | — | ◇ UNVERIFIED |
| UBUniversal Bioenergy of North America INC | Nettleton | MS | — | ◇ UNVERIFIED |
| UPUniversal Polymer Corporation | Chino | CA | — | ◇ UNVERIFIED |
| UOUniversity of Portland | Portland | OR | — | ◇ UNVERIFIED |
| UHUnlimited Horizons, L.l.c. | Matthews | NC | — | ◇ UNVERIFIED |
| UUnocal | Wilmington | CA | — | ◇ UNVERIFIED |
 Urban Electric Power INC | Pearl River | NY | — | ◇ UNVERIFIED |
| UEUSA Environment | Pasadena | TX | — | ◇ UNVERIFIED |
| USU. S Amines LLC | Axis | AL | — | ◇ UNVERIFIED |
| URUSA Resources Technology LLC | Elizabeth | NJ | — | ◇ UNVERIFIED |
| UAU.s. Army - Pine Bluff Arsenal | White Hall | AR | — | ◇ UNVERIFIED |
| UBUS Banknote CORP | Philadelphia | PA | — | ◇ UNVERIFIED |
| UBU.s. Biofuels INC | Rome | GA | — | ◇ UNVERIFIED |
| UBUS Biofuels INC. | Rome | GA | — | ◇ UNVERIFIED |
| UUUsda Usfs R05 Air Attack Base | Chico | CA | — | ◇ UNVERIFIED |
| UDUS Doe Kansas City Plant | Kansas City | MO | — | ◇ UNVERIFIED |
| UDUS Doi Blm Pocatello Air Tanker Base | Pocatello | ID | — | ◇ UNVERIFIED |
| UDUS Doi Blm Twin Falls Air Tanker Base | Twin Falls | ID | — | ◇ UNVERIFIED |
| UOUsdol Osha | Mohrsville | PA | — | ◇ UNVERIFIED |
| UOUsdol Osha | Dalton | GA | — | ◇ UNVERIFIED |
| UEUS Ecology Alaska, LLC | Anchorage | AK | — | ◇ 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 |
| UGU.s. Gain Rng Facility S&s | Sturgeon Bay | WI | — | ◇ UNVERIFIED |
| UPUsstc - Primary | Richmond | VA | — | ◇ UNVERIFIED |
| UWU.s. Water Services | Aberdeen | MD | — | ◇ UNVERIFIED |
| UWUS Water Services | Carrollton | MO | — | ◇ UNVERIFIED |
 Utah Foam Products CO. INC. | Nephi | UT | — | ◇ UNVERIFIED |
| VPVacuum Process Engineering | Sacramento | CA | — | ◇ UNVERIFIED |
| VTValenSil Technologies, LLC | Avon Lake | OH | — | ◇ UNVERIFIED |
| VCValley Creative LLC | San Jose | CA | — | ◇ UNVERIFIED |
| VEValley Energy | Sterling | IL | — | ◇ UNVERIFIED |
| VWValley Winery Supplies CORP | Newman | CA | — | ◇ UNVERIFIED |
| VValtris | Fort Worth | TX | — | ◇ UNVERIFIED |
| VSValtris Specialty Chemicals | Bridgeport | NJ | — | ◇ UNVERIFIED |
| VHVan Houtte INC | Henderson | KY | — | ◇ UNVERIFIED |
| VCVape Craft LLC | Vista | CA | — | ◇ UNVERIFIED |
| VIVapor Image LLC | Hanover | MA | — | ◇ UNVERIFIED |
| VSVapor Source Hq | Pueblo | CO | — | ◇ UNVERIFIED |
| VIVaravo INC | North Hollywood | CA | — | ◇ UNVERIFIED |
| VIVarian INC | Lake Forest | CA | — | ◇ UNVERIFIED |
| VSVarian Sample Preparation Products | Harbor City | CA | — | ◇ UNVERIFIED |
| VIVarn International, INC. | Houston | TX | — | ◇ UNVERIFIED |
| VCVenture Chemical INC. | Seagraves | TX | — | ◇ UNVERIFIED |
| VEVerdant Energy Solutions - Palestine | Palestine | TX | — | ◇ UNVERIFIED |
| VIVerifone INC | Lincoln | CA | — | ◇ UNVERIFIED |
| VMVersum Materials US LLC - Suite 101 | Tempe | AZ | — | ◇ UNVERIFIED |
| VTVer Tech Laboratories Inc | Rockford | MN | — | ◇ UNVERIFIED |
| VHVertellus Health & Specialty Products LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| VCVertex Chemical Corporation Memphis, Tn | Memphis | TN | — | ◇ UNVERIFIED |
| VUVesuvius USA Site | Chehalis | WA | — | ◇ UNVERIFIED |
| VLVhg Labs INC. Dba Lgc Standards | Manchester | NH | — | ◇ UNVERIFIED |
| VCVibrantz CORP | Orrville | OH | — | ◇ UNVERIFIED |
| VRVictory Renewables LLC | Stockton | CA | — | ◇ UNVERIFIED |
| VLVida Labs, LLC | San Leandro | CA | — | ◇ UNVERIFIED |
| VVVida Verde, LLC | Fayetteville | AR | — | ◇ UNVERIFIED |
| VDVigon Distribution Center | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| VGVincit Group | Livingston | CA | — | ◇ 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 |
| VRVmr Receiving | Miami | FL | — | ◇ UNVERIFIED |
| VVVolusol / Volu-sol / Specialty Alcohols / Volu-sol Janitorial | Tooele | UT | — | ◇ UNVERIFIED |
 Vorbeck Materials CORP. | Grand Forks | ND | — | ◇ UNVERIFIED |
| VVulcan | Los Gatos | CA | — | ◇ UNVERIFIED |
| VIVwr International, LLC | Bridgeport | NJ | — | ◇ UNVERIFIED |
| WCWa317944017 - Carbitex, INC. | Kennewick | WA | — | ◇ UNVERIFIED |
| WMWa317946434 - Mama J S LLC | Longview | WA | — | ◇ UNVERIFIED |
| WVWabash Valley Resources LLC | West Terre Haute | IN | — | ◇ UNVERIFIED |
| W1Warehouse 14 - Chemtreat Containers | Nampa | ID | — | ◇ UNVERIFIED |
| W2Warehouse 22 - Chemtreat Container | Centerville | UT | — | ◇ UNVERIFIED |
| W3Warehouse 37 - Chemtreat Containers South Side of the Building | Chino | CA | — | ◇ UNVERIFIED |
| W5Warehouse 50 Tesla | Irvine | CA | — | ◇ UNVERIFIED |
| WCWarren Concrete | Corsicana | TX | — | ◇ UNVERIFIED |
| WCWarsaw Chemical Holdings LLC | Warsaw | IN | — | ◇ UNVERIFIED |
| WPWaste Path Sanitary Landfill LLC | Calvert City | KY | — | ◇ UNVERIFIED |
| WWatermark | Ozark | MO | — | ◇ UNVERIFIED |
| WSWater Science Technologies LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| WSWater Science Technologies LLC - Miles City | Miles City | MT | — | ◇ UNVERIFIED |
| WCWaveguide Corporation | Cambridge | MA | — | ◇ UNVERIFIED |
| WFWeatherford Facility Manufacturing | Weatherford | TX | — | ◇ UNVERIFIED |
| WWeber | San Leandro | CA | — | ◇ UNVERIFIED |
| WWWellons Water Technology | Vancouver | WA | — | ◇ UNVERIFIED |
