| TOTrelleborg Offshore US Rankin Road Facility | Houston | TX | — | ◇ UNVERIFIED |
| TOTrelleborg Offshore US West Hardy Facility | Houston | TX | — | ◇ UNVERIFIED |
| TTTrend Technologies INC Colorado Div | Longmont | CO | — | ◇ UNVERIFIED |
| TCTribotech Composites, INC. (1318578706) | Valley View | OH | — | ◇ UNVERIFIED |
| TPTrilogy Plastics Alliance INC | Alliance | OH | — | ◇ UNVERIFIED |
| TSTrim Systems Site | Seattle | WA | — | ◇ UNVERIFIED |
| TPTri Pac, INC | Vandalia | MI | — | ◇ UNVERIFIED |
| TATruck Accessories Group LLC (dba Century Fiberglass) | Elkhart | IN | — | ◇ UNVERIFIED |
| TPTrue Precision Plastics | Lancaster | PA | — | ◇ UNVERIFIED |
| TITruetech INC | Riverhead | NY | — | ◇ UNVERIFIED |
| TPTubed Products INC | Oxnard | CA | — | ◇ UNVERIFIED |
| TMTuflex Manufacturing CO. | Pompano Beach | FL | — | ◇ UNVERIFIED |
| TMTupperware Manufacturing | Halls | TN | — | ◇ UNVERIFIED |
| TITuscarora INC - Closed | Spartanburg | SC | — | ◇ UNVERIFIED |
| TWT & W Stamping - Austintown (0250000044) | Youngstown | OH | — | ◇ UNVERIFIED |
| TETyco Electronics CORP | Franklin | KY | — | ◇ UNVERIFIED |
| THTyco Healthcare Kendall | Watertown | NY | — | ◇ UNVERIFIED |
| UAUltra Additives LLC | Bloomfield | NJ | — | ◇ UNVERIFIED |
| UCUngerer & CO CORP | Lincoln Park | NJ | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP | Torrance | CA | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Holz Impoundment | Near South Charleston | WV | — | ◇ UNVERIFIED |
| UPUnion Products INC | Leominster | MA | — | ◇ UNVERIFIED |
| UCUnited Candle Company | Norwich | OH | — | ◇ UNVERIFIED |
| UPUnited Parcel Service - Ramapo Ridge (njrar) | Mahwah | NJ | — | ◇ UNVERIFIED |
| USUnited Salt Corporation | Missouri City | TX | — | ◇ UNVERIFIED |
| UTUnited Technologies Automotive Sys INC | Union City | IN | — | ◇ 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 |
| UMUniwall Mfg. CO. (1576111601) | Louisville | OH | — | ◇ UNVERIFIED |
| UIUpm INC | Baldwin Park | CA | — | ◇ 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 Farathane | Sterling Heights | MI | — | ◇ UNVERIFIED |
| UFUS Farathane CORP - Auburn Hills | Auburn Hills | MI | — | ◇ UNVERIFIED |
| USU S Farathane Corporation | Lake Orion | MI | — | ◇ UNVERIFIED |
| UFUS Farathane Corporation | Jackson | TN | — | ◇ UNVERIFIED |
| UFUS Farathane-merrill Rd | Sterling Heights | MI | — | ◇ UNVERIFIED |
| UFUS Farathane - Port Huron | Port Huron | MI | — | ◇ UNVERIFIED |
| UWU.s. Water Services | Aberdeen | MD | — | ◇ UNVERIFIED |
| UWUS Water Services INC | Cambridge | MN | — | ◇ UNVERIFIED |
| VCVacuform CORP | Columbus | OH | — | ◇ UNVERIFIED |
| VUValid USA | South Plainfield | NJ | — | ◇ UNVERIFIED |
| VFValue Fragrances & Flavors | Goshen | NY | — | ◇ UNVERIFIED |
| VLVan Leer Containers INC | Bradley | IL | — | ◇ UNVERIFIED |
| VNVan Ness Plastic Molding CO | Clifton | NJ | — | ◇ UNVERIFIED |
| VPVantage Products CORP | Covington | GA | — | ◇ UNVERIFIED |
| VSVapor Source Hq | Pueblo | CO | — | ◇ UNVERIFIED |
