| USU. S Amines LLC | Axis | AL | — | ◇ UNVERIFIED |
| UPUSA Packaging Division of Nch | Irving | TX | — | ◇ 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 |
| UTUS Technology Recycling CORP | Canton | OH | — | ◇ 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 |
| VTVapor Technologies INC | Boulder | CO | — | ◇ UNVERIFIED |
| VIVarn International, INC. | Houston | TX | — | ◇ UNVERIFIED |
| VCVelsicol Chemical Corporation | Chattanooga | TN | — | ◇ UNVERIFIED |
| VCVenator Chemicals LLC | Harrisburg | NC | — | ◇ UNVERIFIED |
| VCVenture Chemical INC. | Seagraves | TX | — | ◇ UNVERIFIED |
| VLVenus Labs INC | Opa Locka | FL | — | ◇ UNVERIFIED |
| VEVerdant Energy Solutions - Palestine | Palestine | TX | — | ◇ UNVERIFIED |
| VHVertellus Health & Specialty Products LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| VCVibrantz CORP | Orrville | OH | — | ◇ UNVERIFIED |
| VPVictorville - Police Department | Victorville | CA | — | ◇ UNVERIFIED |
| VRVictory Renewables LLC | Stockton | CA | — | ◇ UNVERIFIED |
| VLVida Labs, LLC | San Leandro | CA | — | ◇ UNVERIFIED |
| VDVigon Distribution Center | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| VLVilimian, LLC | Yatesville | 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 |
| VPVisual Pak Dba American Blending & Filling | Waukegan | IL | — | ◇ UNVERIFIED |
| VVVolusol / Volu-sol / Specialty Alcohols / Volu-sol Janitorial | Tooele | UT | — | ◇ UNVERIFIED |
| VSVons-a Safeway Co, Vons Fuel Ctr #2832 | La Verne | CA | — | ◇ 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 |
| WAWastewater Acquisition, LLC | Wood Dale | IL | — | ◇ UNVERIFIED |
| WWebseeds | Englewood | CO | — | ◇ UNVERIFIED |
| WHWe Hereford, LLC | Hereford | TX | — | ◇ UNVERIFIED |
| WCWesmar Company Site | Seattle | WA | — | ◇ UNVERIFIED |
| WTWesthollow Technology Center | Houston | TX | — | ◇ UNVERIFIED |
| WEWestinghouse Electric:columbia | Columbia | SC | — | ◇ UNVERIFIED |
| WPWestlake Petrochemicals LP - Ethylene Manufacturing Complex (petro I/petro Ii) | Sulphur | LA | — | ◇ UNVERIFIED |
| WVWestlake Vinyls CO LP | Geismar | LA | — | ◇ UNVERIFIED |
| WVWestlake Vinyls INC | Calvert City | KY | — | ◇ UNVERIFIED |
| WSWest Salem Packaging | West Salem | OH | — | ◇ UNVERIFIED |
| WVWest Valley Sanitation District of Santa Clara County | Campbell | CA | — | ◇ UNVERIFIED |
| WVWest Virginia Methanol, Inc, Pleasants County | Saint Marys | WV | — | ◇ UNVERIFIED |
| WAWestwood Aerogel CO | San Leandro | CA | — | ◇ UNVERIFIED |
| WIWhitney Investments - Chess Drive Associates | Foster City | CA | — | ◇ UNVERIFIED |
| WGWhyte Gate INC | Round Lake | IL | — | ◇ UNVERIFIED |
| WBWie-agron Bioenergy LLC Dba Agron Bioenergy | Watsonville | CA | — | ◇ UNVERIFIED |
| WCWilana Chemical, LLC | Columbus | GA | — | ◇ UNVERIFIED |
| WMWilkinson Minerals, LLC | Bay City | MI | — | ◇ UNVERIFIED |
| WOWilliams Olefins, LLC | Geismar | LA | — | ◇ UNVERIFIED |
| WPWilson Property Holdings LLC | Duncan | SC | — | ◇ UNVERIFIED |
| WEWincup El Campo | El Campo | TX | — | ◇ UNVERIFIED |
| WTWinslow Tanker Base | Winslow | AZ | — | ◇ UNVERIFIED |
| WBWm Barr | Memphis | TN | — | ◇ UNVERIFIED |
| WIWolf Industries Inc | Buffalo | MN | — | ◇ UNVERIFIED |
| WLWolf Lake Terminals, INC. | Hammond | IN | — | ◇ UNVERIFIED |
| WCWonder Chemical CORP | Fairless Hills | PA | — | ◇ UNVERIFIED |
| WCWonder Cleaning Products LLC | Monroe Township | NJ | — | ◇ UNVERIFIED |
| WWooBamboo | Cape Coral | FL | — | ◇ UNVERIFIED |
| WCWood Care Systems | Kirkland | WA | — | ◇ UNVERIFIED |
| WSWoodfield Systems USA INC | Columbia | SC | — | ◇ UNVERIFIED |
| WFWorkers First LLC | Pittsburgh | PA | — | ◇ UNVERIFIED |
| WEWorld Energy Natchez LLC | Natchez | MS | — | ◇ UNVERIFIED |
| WLWorld Laboratories, LTD | Sun Valley | CA | — | ◇ UNVERIFIED |
| WGW.r. Grace | East Chicago | IN | — | ◇ UNVERIFIED |
| WRW R Grace & CO Conn | Columbia | MD | — | ◇ UNVERIFIED |
| WRW R Grace & CO - Conn - Super High Activity Catalyst Plant | Norco | LA | — | ◇ UNVERIFIED |
| WIWwcmc INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| WTWymore Transfer Company | Clackamas | OR | — | ◇ UNVERIFIED |
| XIXandex INC | Petaluma | CA | — | ◇ UNVERIFIED |
| XIXena International INC | Polo | IL | — | ◇ UNVERIFIED |
| XSXerical Sciences | Sunnyvale | CA | — | ◇ UNVERIFIED |
| XFXtra Fuel #2 | Long Beach | CA | — | ◇ UNVERIFIED |
| YLYound Living Lavendar Farms | Saint Maries | ID | — | ◇ UNVERIFIED |
| ZIZachry Industrial, INC | La Porte | TX | — | ◇ UNVERIFIED |
 Zanfel Laboratories INC | Clive | IA | — | ◇ UNVERIFIED |
| Z6Zebra 6 Test Facility | Manassas | VA | — | ◇ UNVERIFIED |
| ZZeco | Fresno | CA | — | ◇ UNVERIFIED |
| ZIZircon Industries | Cleveland | OH | — | ◇ UNVERIFIED |
