| TSTotal Source Molders, INC. | Reinbeck | IA | — | ◇ UNVERIFIED |
| TIToter INC | Sanger | CA | — | ◇ UNVERIFIED |
 Tournesol Siteworks | Fremont | CA | — | ◇ UNVERIFIED |
| TPT P Developed Parcel Limited Liability CORP | Remington | VA | — | ◇ UNVERIFIED |
| TITrace Industries INC | Honolulu | HI | — | ◇ UNVERIFIED |
| TITrace Industries, INC. | Houston | MS | — | ◇ UNVERIFIED |
| TITrancendia, INC. | Elkridge | MD | — | ◇ UNVERIFIED |
| TITranscendia INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| TATranscontinental Ac US LLC | Matthews | NC | — | ◇ UNVERIFIED |
| TCTransilwrap Company INC | Greenville | SC | — | ◇ UNVERIFIED |
| TATransparent Armor LLC | South Charleston | WV | — | ◇ UNVERIFIED |
| TPTransparent Protection Systems INC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| TCTredegar Corporation | Terre Haute | IN | — | ◇ UNVERIFIED |
| TFTredegar Film Prod Inc/pottsville | Mar Lin | PA | — | ◇ UNVERIFIED |
| TFTredegar Film Products | Pottsville | PA | — | ◇ UNVERIFIED |
| TFTredegar Film Products - Lake Zurich INC | Lake Zurich | IL | — | ◇ UNVERIFIED |
| TITrew Ind Wheels INC | Nashville | TN | — | ◇ 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 |
| TETuftane Extrusion Technologies Incorporated | Fall River | MA | — | ◇ UNVERIFIED |
| T3Turbo 3d LLC Dba Fugo | Gardena | CA | — | ◇ UNVERIFIED |
| TGTurner Group, Inc | Marietta | GA | — | ◇ UNVERIFIED |
| TPTurret Punch CO Inc/tpc INC | Fontana | CA | — | ◇ UNVERIFIED |
| TCTwentieth Century Forge | Hubbard | OR | — | ◇ UNVERIFIED |
| TETyco Electronics Corporation | Fuquay Varina | NC | — | ◇ UNVERIFIED |
| TPTyco Plastics | Woodland | CA | — | ◇ UNVERIFIED |
| URUcar Resinas Caribe INC. | Bayamon | PR | — | ◇ UNVERIFIED |
| ULUltrapak, LLC | Dunkirk | NY | — | ◇ UNVERIFIED |
| UCUltra-poly Corporation | Berwick | PA | — | ◇ UNVERIFIED |
| UPUltra Poly CORP - Portland | Portland | PA | — | ◇ UNVERIFIED |
| ULUnifi-kinston LLC | Kinston | NC | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation | Piscataway | NJ | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation - Ucar Emulsion Systems | Garland | TX | — | ◇ UNVERIFIED |
| UDUnique Dispensing Systems, LLC | Guilford | CT | — | ◇ UNVERIFIED |
| UDUnique Dispensing Systems, LLC | Guilford | CT | — | ◇ UNVERIFIED |
| UTUniroyal Tech CORP Royalite T | Redlands | CA | — | ◇ UNVERIFIED |
| URUnited Resins INC | Pittsgrove Township | NJ | — | ◇ UNVERIFIED |
 United Rotary Brush Corporation | Lenexa | KS | — | ◇ UNVERIFIED |
| USUnited Synthetics Proposed Building Addition | La Fayette | GA | — | ◇ UNVERIFIED |
| UEUniversal Environmental Services, LLC | Peachtree City | GA | — | ◇ UNVERIFIED |
| UFUniversal Fibers INC. | Bristol | VA | — | ◇ UNVERIFIED |
 Universal Plastics - Middlefield (0228000127) | Middlefield | OH | — | ◇ UNVERIFIED |
| UUop | Anaheim | CA | — | ◇ UNVERIFIED |
| UIUraseal INC | Dover | NH | — | ◇ UNVERIFIED |
