| TATeknor Apex CO. | Pawtucket | RI | — | ◇ UNVERIFIED |
| TATeknor Apex Company, Maclin Division | City of Industry | CA | — | ◇ UNVERIFIED |
| TATeknor Apex Thermoplastic | Leominster | MA | — | ◇ UNVERIFIED |
| TPTencate Performance Composites | Camarillo | CA | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC | Coffeyville | KS | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley, INC. | Hanford | CA | — | ◇ UNVERIFIED |
| TTTetra Technologies - Chemical Division | West Memphis | AR | — | ◇ UNVERIFIED |
| TTevcoinc | South Plainfield | NJ | — | ◇ UNVERIFIED |
| TCThatcher Company of North Dakota INC | Glendive | MT | — | ◇ UNVERIFIED |
| TDThe Dow Chemical CO | Wilmington | IL | — | ◇ UNVERIFIED |
| TDThe Dow Chemical CO - Louisiana Operations | Plaquemine | LA | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Marietta | GA | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company- Ludington, Mi Plant | Ludington | MI | — | ◇ UNVERIFIED |
| TETherm-o-rock East INC | Donora | PA | — | ◇ UNVERIFIED |
| TWThe Whitaker Company | Spartanburg | SC | — | ◇ UNVERIFIED |
| TIThibiant International | Chatsworth | CA | — | ◇ UNVERIFIED |
| TCThird Coast Terminals | Pearland | TX | — | ◇ UNVERIFIED |
| TIThombert INC - Brooklyn | Brooklyn | IA | — | ◇ UNVERIFIED |
| TFTitan Florida LLC | Medley | FL | — | ◇ UNVERIFIED |
| TCTotalenergies Cray Valley - Beaumont | Beaumont | TX | — | ◇ UNVERIFIED |
| TPTotalenergies Petrochemicals & Refining Usa, INC. - Carville Polystyrene Plant | Carville | LA | — | ◇ UNVERIFIED |
| TPTotal Petrochemicals & Refining USA INC | Deer Park | TX | — | ◇ UNVERIFIED |
| TCTransene Company Oakland | Oakland | CA | — | ◇ UNVERIFIED |
| UUUnivar USA INC - Bunola Facility | Bunola | PA | — | ◇ UNVERIFIED |
| UTUnivation Technologies LLC - Catalyst Plant | South Charleston | WV | — | ◇ UNVERIFIED |
| ULUop LLC - Baton Rouge Plant | Baton Rouge | LA | — | ◇ UNVERIFIED |
| ULUop LLC - Uop Shreveport Plant | Shreveport | LA | — | ◇ UNVERIFIED |
| USU. S. Amines - Bucks Plant | Axis | AL | — | ◇ UNVERIFIED |
| UBUS Borax INC | Wilmington | CA | — | ◇ UNVERIFIED |
| UDUS Doe Portsmouth Gaseous Diffusion Plant - Bwcs Duf6 | Piketon | OH | — | ◇ UNVERIFIED |
| UDUS Doe Savannah River Site | Aiken | SC | — | ◇ UNVERIFIED |
| UMUS Magnesium Plant | Tooele | UT | — | ◇ UNVERIFIED |
| VIValenite INC - Die & Wear - Walmet | West Branch | MI | — | ◇ UNVERIFIED |
| VCValspar Coatings | Garland | TX | — | ◇ UNVERIFIED |
| VSValspar Specialty Paints LLC (1576131795) | Massillon | OH | — | ◇ UNVERIFIED |
| VCVeckridge Chemical | Kearny | NJ | — | ◇ UNVERIFIED |
| VPVee Pak INC | Countryside | IL | — | ◇ UNVERIFIED |
| VBVeolia Borderland Plant | El Paso | TX | — | ◇ UNVERIFIED |
| VNVeolia North America Regeneration Services | Linden | NJ | — | ◇ UNVERIFIED |
| VNVeolia North America Regeneration Services, LLC (1431350817) | North Bend | OH | — | ◇ UNVERIFIED |
| VRVeolia - Red Lion Plant | New Castle | DE | — | ◇ UNVERIFIED |
| VDVertellus Dwg LLC | Delaware Water Gap | PA | — | ◇ UNVERIFIED |
| VVertex | Camanche | IA | — | ◇ UNVERIFIED |
| VSVestolit Specialty Resins INC | Avon Lake | OH | — | ◇ UNVERIFIED |
| VMVibrantz Minerals | Houston | TX | — | ◇ UNVERIFIED |
| VTVibrantz Technologies | Curtis Bay | MD | — | ◇ UNVERIFIED |
| VTVibrantz Technologies (1318170235) | Cleveland | OH | — | ◇ UNVERIFIED |
| VCVwr Chemicals LLC | Aurora | OH | — | ◇ UNVERIFIED |
| WCWacker Chemical CORP - Polymers Div | Calvert City | KY | — | ◇ UNVERIFIED |
| WPWacker Polysilicon North America LLC | Charleston | TN | — | ◇ UNVERIFIED |