| SGSeparations Group Grace Vydac | Hesperia | CA | — | ◇ UNVERIFIED |
| SCShell Catalysts and Technologies L.p. | Port Allen | LA | — | ◇ UNVERIFIED |
| SBShepard Brothers INC | La Habra | CA | — | ◇ UNVERIFIED |
| SMShepherd Middletown Company | Middletown | OH | — | ◇ UNVERIFIED |
| SRSid Richardson Carbon CO | Borger | TX | — | ◇ UNVERIFIED |
| SISolutia INC Krummrich Il (part) | Sauget | IL | — | ◇ UNVERIFIED |
| SUSolvay USA INC | Martinez | CA | — | ◇ UNVERIFIED |
| SUSolvay USA INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| SUSolvay USA Inc.-silver Bow Plant | Silver Bow | MT | — | ◇ UNVERIFIED |
 Southern Ionics INC | Sulphur | LA | — | ◇ UNVERIFIED |
 Southern States Phosphate & Fe Rtilizer CO | Savannah | GA | — | ◇ UNVERIFIED |
| SLSouthwin LTD Nevada | Sparks | NV | — | ◇ UNVERIFIED |
| SCSpecialty Chemical Systems, INC | Pottstown | PA | — | ◇ UNVERIFIED |
| SMSpecialty Minerals Dolomite Plant | Canaan | CT | — | ◇ UNVERIFIED |
| SCSud-chemie Chemical Plant | Louisville | KY | — | ◇ UNVERIFIED |
| SLSulfco, LLC | Savannah | GA | — | ◇ UNVERIFIED |
| SCSurpass Chemical CO | Albany | NY | — | ◇ UNVERIFIED |
| SCSurpass Chemical CO INC | Albany | NY | — | ◇ UNVERIFIED |
| SSSyensqo Specialty Polymers USA LLC | Marietta | OH | — | ◇ UNVERIFIED |
 Syngenta Crop Protection, LLC. - St Gabriel Plant | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| TLTate & Lyle Sucralose INC | Mc Intosh | AL | — | ◇ UNVERIFIED |
| TLTdc Llc-corpus Christi Plant | Corpus Christi | TX | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC | Coffeyville | KS | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley, INC. | Hanford | CA | — | ◇ UNVERIFIED |
| TTTetra Technologies - Chemical Division | West Memphis | AR | — | ◇ UNVERIFIED |
| TCThatcher Company of North Dakota INC | Glendive | MT | — | ◇ UNVERIFIED |
| TDThe Dow Chemical CO - Louisiana Operations | Plaquemine | LA | — | ◇ 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 |
| TCThird Coast Terminals | Pearland | TX | — | ◇ UNVERIFIED |
| TFTitan Florida LLC | Medley | FL | — | ◇ UNVERIFIED |
| TCTransene Company Oakland | Oakland | CA | — | ◇ UNVERIFIED |
| TRTwinco Romax | Milwaukee | WI | — | ◇ UNVERIFIED |
| USUnivar Solutions USA - Geneva Branch | Geneva | NY | — | ◇ UNVERIFIED |
| UUUnivar USA | Anchorage | AK | — | ◇ 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 |
| VCVeckridge Chemical | Kearny | NJ | — | ◇ 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 |
