| TMTacoma Metals INC | Tacoma | WA | — | ◇ UNVERIFIED |
| TITakasago International CORP (usa) | University Park | IL | — | ◇ UNVERIFIED |
| TPTalco Plastics | Long Beach | CA | — | ◇ UNVERIFIED |
| THTaminco Higher Amines Inc/st. Gabriel | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| TSTangible Science | Menlo Park | CA | — | ◇ UNVERIFIED |
| TTTank Tech Inc/bridgeport Chemical INC | Sikeston | MO | — | ◇ UNVERIFIED |
| TMTaylor Made Fiberglass, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| TPTb Philly | Carrollton | TX | — | ◇ UNVERIFIED |
| TATech America | Corona | CA | — | ◇ UNVERIFIED |
| TRTechnical Resin Packaging INC | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| TCTedia Company INC (1409030683) | Fairfield | OH | — | ◇ UNVERIFIED |
| TLTef Labs | Austin | TX | — | ◇ UNVERIFIED |
| TPTejas Plastics, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| TPTekni Plex INC | Branchburg | NJ | — | ◇ UNVERIFIED |
| TATeknor Apex CO | Attleboro | MA | — | ◇ UNVERIFIED |
| TATeknor Apex-north Carolina | Jamestown | NC | — | ◇ UNVERIFIED |
| TTeknos | Charlotte | NC | — | ◇ UNVERIFIED |
| TMTerra Mississippi Nitrogen (melamine Facility) | Donaldsonville | LA | — | ◇ UNVERIFIED |
| TMTexas Molecular - Deer Park Services | Deer Park | TX | — | ◇ UNVERIFIED |
| TAThe Alpha Corporation of Tennessee INC | Perris | CA | — | ◇ UNVERIFIED |
| TAThe Andersons Marathon Holdings LLC - Greenville Plant (0819750245) | Greenville | OH | — | ◇ UNVERIFIED |
| TAThe Art Lithocraft Company | Modesto | CA | — | ◇ UNVERIFIED |
| TCThe Chemours Company | Niagara Falls | NY | — | ◇ UNVERIFIED |
| TDThe Dow Chemical CO | Joliet | IL | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Deer Park | TX | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Plaquemine | LA | — | ◇ UNVERIFIED |
| TFThe Fountain People, INC. | San Marcos | TX | — | ◇ UNVERIFIED |
| TGThe Geon Company | Deer Park | TX | — | ◇ UNVERIFIED |
| TLThe Lamotte Chemical Products Company | Chestertown | MD | — | ◇ UNVERIFIED |
| TMThe Marbleworks | North Port | FL | — | ◇ UNVERIFIED |
| TMThe Mundy Companies | Pasadena | TX | — | ◇ UNVERIFIED |
 The New York Blower Company | Philadelphia | MS | — | ◇ UNVERIFIED |
| TPThe P D George Company | Fort Wayne | IN | — | ◇ UNVERIFIED |
| TPThermedics Polymer Products | Woburn | MA | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific | Bedford, Town of | MA | — | ◇ UNVERIFIED |
| TPThermoplastic Processes INC | Stirling | NJ | — | ◇ UNVERIFIED |
| TRThe Rtr Group INC | Fayetteville | TN | — | ◇ UNVERIFIED |
| TTThe Tartaric Chemicals Corporation | Modesto | CA | — | ◇ UNVERIFIED |
| TSThomas Swan Opelika, INC. | Opelika | AL | — | ◇ UNVERIFIED |
| TLThornhill LLC | Monroe | MI | — | ◇ UNVERIFIED |
| TCThree Creek Bioenergy | Sheffield | OH | — | ◇ UNVERIFIED |
| TRThree Rivers Energy, LLC (0616010087) | Coshocton | OH | — | ◇ UNVERIFIED |
| TFTiburon Fire Protection District | Tiburon | CA | — | ◇ UNVERIFIED |
| TLTicona LLC | Summit | NJ | — | ◇ UNVERIFIED |
| TPTicona Polymers INC. | Florence | KY | — | ◇ UNVERIFIED |
| TPTicona Polymers, INC. | Bishop | TX | — | ◇ UNVERIFIED |
| TLTke LLC | Liberty | TN | — | ◇ UNVERIFIED |
| TCTooling & Components Corp | Toledo | OH | — | ◇ UNVERIFIED |
| TMTotal Molding Solutions INC | Tecumseh | MI | — | ◇ UNVERIFIED |
| TPTotal Petrochemicals & Refining Usa, INC. | La Porte | TX | — | ◇ UNVERIFIED |
| TSTotal Source Molders, INC. | Reinbeck | IA | — | ◇ UNVERIFIED |
| TIToter INC | Sanger | CA | — | ◇ UNVERIFIED |
 Tournesol Siteworks | Fremont | CA | — | ◇ UNVERIFIED |
| TPTower Product LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| TCTowne Cleaners | Rohnert Park | CA | — | ◇ UNVERIFIED |
| TFToxguard Fluid Technologies INC | Stanton | CA | — | ◇ UNVERIFIED |
| TATransparent Armor LLC | South Charleston | WV | — | ◇ UNVERIFIED |
| TFTredegar Film Prod Inc/pottsville | Mar Lin | PA | — | ◇ UNVERIFIED |
| TCTribotech Composites INC | Valley View | OH | — | ◇ UNVERIFIED |
| TPTri-mack Plastic Mfg. CORP | Bristol | RI | — | ◇ UNVERIFIED |
| TCTrimont Chemicals INC | Peabody | MA | — | ◇ UNVERIFIED |
| TLTrinseo LLC. | Exton | PA | — | ◇ UNVERIFIED |
| TLTrinseo, LLC - Allyn's Point | Gales Ferry | CT | — | ◇ UNVERIFIED |
| TLTrinseo, LLC - Allyn's Point | Ledyard | CT | — | ◇ UNVERIFIED |
| TLTrinseo LLC (p1025) | Midland | MI | — | ◇ UNVERIFIED |
| TITrowelon INC | Oneida | WI | — | ◇ UNVERIFIED |
| T3Turbo 3d LLC Dba Fugo | Gardena | CA | — | ◇ UNVERIFIED |
| TGTurner Group, Inc | Marietta | GA | — | ◇ UNVERIFIED |
| TPTurret Punch CO Inc/tpc INC | Fontana | CA | — | ◇ UNVERIFIED |
| TMTwelve - Moses Lake Site | Moses Lake | WA | — | ◇ UNVERIFIED |
| TCTwentieth Century Forge | Hubbard | OR | — | ◇ UNVERIFIED |
| ULUas Labs LLC | Wausau | WI | — | ◇ UNVERIFIED |
| URUcar Resinas Caribe INC. | Bayamon | PR | — | ◇ UNVERIFIED |
| UHUcla Hematology Oncology Santa Monica | Santa Monica | CA | — | ◇ UNVERIFIED |
| UCUltra-poly Corporation | Berwick | PA | — | ◇ UNVERIFIED |
| UPUltra Poly CORP - Portland | Portland | PA | — | ◇ UNVERIFIED |
| USUmicore Specialty Materials La - Palm Commodities International LLC | Port Allen | LA | — | ◇ UNVERIFIED |
| ULUnifi-kinston LLC | Kinston | NC | — | ◇ UNVERIFIED |
| UCUnion Carbide Brownsville | — | TX | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation | Lugoff | SC | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation | Piscataway | NJ | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation | Woodbine | GA | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation - Dow Chemical CO | Institute | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation - Ucar Emulsion Systems | Garland | TX | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation - Ucc Technology Park Operations | South Charleston | WV | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Tucker Latex Plant | Tucker | GA | — | ◇ UNVERIFIED |
| UDUnique Dispensing Systems, LLC | Guilford | CT | — | ◇ UNVERIFIED |
| UDUnique Dispensing Systems, LLC | Guilford | CT | — | ◇ UNVERIFIED |
| UBUnited Biochemicals LLC | Sanborn | NY | — | ◇ UNVERIFIED |
| UOUnited Organics CORP | Williamston | NC | — | ◇ UNVERIFIED |
| URUnited Resins INC | Pittsgrove Township | NJ | — | ◇ UNVERIFIED |
| USUnivar Solutions Usa, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| UBUniversal Bioenergy of North America INC | Nettleton | MS | — | ◇ UNVERIFIED |
| UEUniversal Environmental Services, LLC | Peachtree City | GA | — | ◇ UNVERIFIED |
 Universal Plastics - Middlefield (0228000127) | Middlefield | OH | — | ◇ UNVERIFIED |
| UOUniversity of Portland | Portland | OR | — | ◇ UNVERIFIED |
| UIUraseal INC | Dover | NH | — | ◇ UNVERIFIED |
| UCUremet CORP | Santa Ana | CA | — | ◇ UNVERIFIED |
| UCUremet CORP | Garden Grove | CA | — | ◇ UNVERIFIED |
| UHUrethane Holdings, LLC | Alpharetta | GA | — | ◇ UNVERIFIED |
