| TBTosoh Bioscience Inc. Grove City Ohio | Grove City | OH | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| T3Tower 3 | Akron | OH | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
Tower Products, Easton | Easton | PA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| TTulsa | Tulsa | OK | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| TRTwin River Technologies | Quincy | MA | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| TBTwist Bioscience Wilsonville | Wilsonville | OR | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
Tyger Scientific INC | Ewing | NJ | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| UPUmicore PMC USA, llc | Catoosa | OK | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| UCUnion Carbide Corp | South Charleston | WV | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| ULUpshots LLC | Forsyth | GA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| UMUS Methanol | Nitro | WV | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| VIValentra Industrials LLC | Luling | LA | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| VSValtris Specialty Chemcials-- Delaware River | Bridgeport | NJ | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| VSValtris Specialty Chemcials-- Fort Worth | Forth Worth | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| VSValtris Specialty Chemicals | Walton Hills | OH | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| VSValtrs Specialty Chemicals | Cleveland | OH | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| VVanceboro | Vanceboro | NC | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| VFVencorex Freeport Site | Freeport | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| VVictoria | Victoria | TX | Chemical Manufacturing325199 | 500+ | ◐ LIKELY ACTIVE |
| VTVRC Technologies Inc | Houston | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| WWWalla Walla Environmental, INC. | Walla Walla | WA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| WLWellington Laboratories LLC | Merriam | KS | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| WWWIE Wall Lake | Wall Lake | IA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| WCWiley Companies | Coshocton | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| WCWiley Companies Coshocton | Coshocton | OH | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| WCWiley Companies New Albany | New Albany | OH | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| XPXtatic Productions Limited | Denver | CO | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| ALAurorium LLC | Indianapolis | IN | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| BIBonumose, INC | Charlottesville | VA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| CBC1 Bio, INC. | Allyn | WA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| DCDiversified Chemical Technologies Operating Company | Detroit | MI | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| GNGevo Net-zero 1, LLC | Englewood | CO | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| MIMatrixchem Inc, | South Londonderry | VT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| MLMja Laboratory, INC. | Costa Mesa | CA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |