| TTThe Tartaric Chemicals Corporation | Modesto | 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 |
| TLTke LLC | Liberty | TN | — | ◇ UNVERIFIED |
| TCToray Composite Materials America INC | Moore | SC | — | ◇ UNVERIFIED |
| TCToray Composite Materials America, INC | Decatur | AL | — | ◇ UNVERIFIED |
| TPTower Product LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| TCTowne Cleaners | Rohnert Park | CA | — | ◇ UNVERIFIED |
| TFToxguard Fluid Technologies INC | Stanton | CA | — | ◇ UNVERIFIED |
| TITrace Industries INC | Honolulu | HI | — | ◇ UNVERIFIED |
| TITrace Industries, INC. | Houston | MS | — | ◇ UNVERIFIED |
| TMTwelve - Moses Lake Site | Moses Lake | WA | — | ◇ UNVERIFIED |
| ULUas Labs LLC | Wausau | WI | — | ◇ UNVERIFIED |
| UHUcla Hematology Oncology Santa Monica | Santa Monica | CA | — | ◇ 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 Synthetics Proposed Building Addition | La Fayette | GA | — | ◇ UNVERIFIED |
| USUnivar Solutions Usa, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| UBUniversal Bioenergy of North America INC | Nettleton | MS | — | ◇ UNVERIFIED |
| UFUniversal Fibers INC. | Bristol | VA | — | ◇ UNVERIFIED |
| UOUniversity of Portland | Portland | OR | — | ◇ UNVERIFIED |
| UEUSA Environment | Pasadena | TX | — | ◇ UNVERIFIED |
| USU. S Amines LLC | Axis | AL | — | ◇ UNVERIFIED |
| URUSA Resources Technology LLC | Elizabeth | NJ | — | ◇ UNVERIFIED |
| UBU.s. Biofuels INC | Rome | GA | — | ◇ UNVERIFIED |
| UBUS Biofuels INC. | Rome | GA | — | ◇ 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 |
| UGU.s. Gain Rng Facility S&s | Sturgeon Bay | WI | — | ◇ UNVERIFIED |
| UPUsstc - Primary | Richmond | VA | — | ◇ 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 |
| VIVarn International, INC. | Houston | TX | — | ◇ UNVERIFIED |
| VEVerdant Energy Solutions - Palestine | Palestine | TX | — | ◇ UNVERIFIED |
| VHVertellus Health & Specialty Products LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
