| TMTrident Manufacturing | Ithaca | MI | — | ◇ UNVERIFIED |
| TPTri Pac, INC | Vandalia | MI | — | ◇ UNVERIFIED |
| TDTri-state Disposal INC | Riverdale | IL | — | ◇ UNVERIFIED |
| TCTriton College | River Grove | IL | — | ◇ UNVERIFIED |
| TRTropichem Research Lab | Jupiter | FL | — | ◇ UNVERIFIED |
| TLTruckwurx LLC | Saint Charles | IL | — | ◇ UNVERIFIED |
| TITruetech INC | Riverhead | NY | — | ◇ UNVERIFIED |
| TCTube City Ims | Chicago | IL | — | ◇ UNVERIFIED |
| TUTufts University Human Nutrition Researc | Boston | MA | — | ◇ UNVERIFIED |
| UPUc Paving INC | Troy Grove | IL | — | ◇ UNVERIFIED |
| UCU.e. Compression | Commerce City | CO | — | ◇ UNVERIFIED |
| UAUltra Additives LLC | Bloomfield | NJ | — | ◇ UNVERIFIED |
| UCUngerer & CO CORP | Lincoln Park | NJ | — | ◇ UNVERIFIED |
| UCUnifirst CORP | Melrose Park | IL | — | ◇ UNVERIFIED |
| UBUnion Business Center | Cheektowaga | NY | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP | Torrance | CA | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Holz Impoundment | Near South Charleston | WV | — | ◇ UNVERIFIED |
| UCUnion County State Pond Water Plant | Jonesboro | IL | — | ◇ UNVERIFIED |
| UPUnion Pacific Railroad | Chicago | IL | — | ◇ UNVERIFIED |
| UPUnion Partners Upx CORP Dba Lamination Specialities CORP LLC | Chicago | IL | — | ◇ UNVERIFIED |
| UAUnited Airlines Ahnoc | Arlington Heights | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service | Olney | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service | Rock Falls | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service | Quincy | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service - Dekalb | Dekalb | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service, INC. | Kankakee | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service - Ramapo Ridge (njrar) | Mahwah | NJ | — | ◇ UNVERIFIED |
| USUnited Salt Corporation | Missouri City | TX | — | ◇ UNVERIFIED |
| USUnited Science Industries INC | Okawville | IL | — | ◇ UNVERIFIED |
| USUnivar Solutions Liquids Plant Legacy Magnablend | Waxahachie | TX | — | ◇ UNVERIFIED |
| USUnivar Solutions Ssc Facility | Waxahachie | TX | — | ◇ UNVERIFIED |
| UUUnivar Usa, INC - Williston | Williston | ND | — | ◇ UNVERIFIED |
| UOUniversal Oil Products (chemical Division) | East Rutherford | NJ | — | ◇ UNVERIFIED |
| UUno-ven | Norridge | IL | — | ◇ UNVERIFIED |
 Urban Electric Power INC | Pearl River | NY | — | ◇ UNVERIFIED |
| USUsc Saltville Brine LLC | Saltville | VA | — | ◇ UNVERIFIED |
| UEUS Ecology Mobile Recycling, INC. | Mount Airy | NC | — | ◇ UNVERIFIED |
| UFUS Food Service INC | Glendale Heights | IL | — | ◇ UNVERIFIED |
| UOUsr Optonix INC | Washington | NJ | — | ◇ UNVERIFIED |
| UWU.s. Water Services | Aberdeen | MD | — | ◇ UNVERIFIED |
| UWUS Water Services INC | Cambridge | MN | — | ◇ UNVERIFIED |
| UMUswp Manufacturing | Spokane Valley | WA | — | ◇ UNVERIFIED |
| USUtica Silica LLC | Lasalle | IL | — | ◇ UNVERIFIED |
| UIUtley's INC | Woodside | NY | — | ◇ UNVERIFIED |
| VCVacuform CORP | Columbus | OH | — | ◇ UNVERIFIED |
| VFValue Fragrances & Flavors | Goshen | NY | — | ◇ UNVERIFIED |
| VSValve Specialists INC | Addison | IL | — | ◇ UNVERIFIED |
| VDVan Drunen Farms | Momence | IL | — | ◇ UNVERIFIED |
| VLVapetasia LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| VSVapor Source Hq | Pueblo | CO | — | ◇ UNVERIFIED |
| VSVarian Sample Preparation Products | Harbor City | CA | — | ◇ UNVERIFIED |
| VUVeridia USA Centennial | Centennial | CO | — | ◇ UNVERIFIED |
| VNVerizon New England | Watertown | MA | — | ◇ UNVERIFIED |
| VNVerizon New England INC | Taunton | MA | — | ◇ UNVERIFIED |
| VNVerizon New England INC | Boston | MA | — | ◇ UNVERIFIED |
| VMVersum Materials US LLC - Suite 101 | Tempe | AZ | — | ◇ UNVERIFIED |
| VCVertex Chemical Corporation Memphis, Tn | Memphis | TN | — | ◇ UNVERIFIED |
| VSVestis Services, LLC | Rockford | IL | — | ◇ UNVERIFIED |
| VUVesuvius USA Site | Chehalis | WA | — | ◇ UNVERIFIED |
| VSViavi Solutions INC Dba Jds Uniphase CORP | Santa Rosa | CA | — | ◇ UNVERIFIED |
| VOVillage of Arrowsmith | Arrowsmith | IL | — | ◇ UNVERIFIED |
| VOVillage of Bartlett | Bartlett | IL | — | ◇ UNVERIFIED |
| VOVillage of Kingston Mines | Kingston Mines | IL | — | ◇ UNVERIFIED |
| VOVillage of Mahomet | Mahomet | IL | — | ◇ UNVERIFIED |
| VIVisionmark INC | Sidney | OH | — | ◇ UNVERIFIED |
| VNVitality Natural Health | Eureka | MT | — | ◇ UNVERIFIED |
| VCVse CORP | Hamel | IL | — | ◇ UNVERIFIED |
| VCVulcan Construction Materials LLC | Bolingbrook | IL | — | ◇ UNVERIFIED |
| VMV&v Manufacturing | Industry | CA | — | ◇ UNVERIFIED |
 Wakefield Thermal Solutions | Pelham | NH | — | ◇ UNVERIFIED |
| WTWalker Tim | Clinton | IL | — | ◇ UNVERIFIED |
| WPWalter Payton Power Equipment CO | Riverdale | IL | — | ◇ UNVERIFIED |
| WMWaste Management of Il./cid Transfer Sta | Chicago | IL | — | ◇ UNVERIFIED |
| WIWatcon, INC | South Bend | IN | — | ◇ UNVERIFIED |
| WPWaterford Property Management | Rockford | IL | — | ◇ UNVERIFIED |
| WPWater Power INC | Nashville | TN | — | ◇ UNVERIFIED |
| WTWater Treatment Plant | Staunton | IL | — | ◇ UNVERIFIED |
| WRWaveland Recycling INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| WCWedi CORP | Batavia | IL | — | ◇ UNVERIFIED |
| WCWehrli Carpentry | Sandwich | IL | — | ◇ UNVERIFIED |
| WWWellons Water Technology | Vancouver | WA | — | ◇ UNVERIFIED |
| WWWells & Wells Construction CO | Champaign | IL | — | ◇ UNVERIFIED |
| WSWest Suburban Recycling & Energy Center Ts | La Grange | IL | — | ◇ UNVERIFIED |
| WFWestwego Facility | Westwego | LA | — | ◇ UNVERIFIED |
| WFW & F Mfg CO INC | Buffalo | NY | — | ◇ UNVERIFIED |
| WIWilcorp Inds INC -bil | Billings | MO | — | ◇ UNVERIFIED |
| WGWilhelm General Contractors | Champaign | IL | — | ◇ UNVERIFIED |
| WYWilliam Yuenger Manufacturing CO | Chicago | IL | — | ◇ UNVERIFIED |
| WTWillow Tree Missions | Cisco | IL | — | ◇ UNVERIFIED |
| WPWilpak Plastics Industries INC | Kearny | NJ | — | ◇ UNVERIFIED |
| WSWilson Sporting Goods CO | River Grove | IL | — | ◇ UNVERIFIED |
| WLWindsor Lake North Ccdd | Loves Park | IL | — | ◇ UNVERIFIED |
| WMWinnemucca Municipal Airport Nw Quadrant | Winnemucca | NV | — | ◇ UNVERIFIED |
| WRWm Renewable Energy LLC Landfill Gas-to-energy Facility | Davis Junction | IL | — | ◇ UNVERIFIED |
| WMWorld Metal Finishing INC | Addison | IL | — | ◇ UNVERIFIED |
| WTWorld Trade Center West Office Building | Boston | MA | — | ◇ UNVERIFIED |
| WRW R Grace & Company Incorporated | Clearfield | UT | — | ◇ UNVERIFIED |
| WNW-z Nma Office Owner Viii LLC | Chicago | IL | — | ◇ UNVERIFIED |
| XTXceldyne Technologies | Thomasville | NC | — | ◇ UNVERIFIED |
| XIX-chem INC | Harahan | LA | — | ◇ UNVERIFIED |
