| SASigma Aldrich CO | St Louis | MO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SRSocomore - Rhome | Rhome | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SCSolar Compounds CORP | Maywood | NJ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SLSolenis LLC | Stanaford | WV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SLSolenis, LLC | Wilmington | DE | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SPSos Products, CO. | East Greenville | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SLSouth La Methanol LP - St James Methanol Plant | St. James | LA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SLSouthwin LTD | Leominster | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SLSouthwin LTD Nevada | Sparks | NV | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Superior | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SPSpray Products | Upland | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SCStamford CORP I | Stamford | CT | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| STSta Technologies INC | Albuquerque | NM | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SMStellar Manufacturing, INC. | Hazelwood | MO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SCSteris CORP | Chester | NY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SPSterno Products | Memphis | TN | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SPStp Products Manufacturing | Garland | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SCSunbelt Chemicals | Dallas | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SFSundrop Fuels Louisiana LLC - Rapides Station Fuels Facility | Boyce | LA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SOSuperior Oil Company-closed | Nashville | TN | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SCSynectic CORP | St Albans | WV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TPTechnick Products INC | South Plainfield | NJ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TITerminix International-warehouse | Memphis | TN | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TAThales Avionics INC | Piscataway | NJ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TAThe Andersons Maumee Complex | Maumee | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
 The Euclid Chemical Company | Odessa | FL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| TFThermo Fluids INC | North Las Vegas | NV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TSThe Specialty Manufacturing CO | White Bear Lake | MN | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TCThoroflush CORP | Monroe | MI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TTiremaxx | Livonia | MI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TCToll Compaction Group LLC | Belpre | OH | Paper Manufacturing322222 | — | ◇ UNVERIFIED |
| TPTri Pac, INC | Vandalia | MI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TITruetech INC | Riverhead | NY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UAUltra Additives LLC | Bloomfield | NJ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UMUncas Manufacturing____oob. | Providence | RI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UCUngerer & CO CORP | Lincoln Park | NJ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Holz Impoundment | Near South Charleston | WV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UPUnited Parcel Service - Ramapo Ridge (njrar) | Mahwah | NJ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| USUnited Salt Corporation | Missouri City | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| USUnivar Solutions Liquids Plant Legacy Magnablend | Waxahachie | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UUUnivar Usa, INC - Williston | Williston | ND | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UOUniversal Oil Products (chemical Division) | East Rutherford | NJ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
 Urban Electric Power INC | Pearl River | NY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UEUS Ecology Mobile Recycling, INC. | Mt Airy | NC | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UWU.s. Water Services | Aberdeen | MD | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VFValue Fragrances & Flavors | Goshen | NY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VSVapor Source Hq | Pueblo | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VSVarian Sample Preparation Products | Harbor City | CA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VMVersum Materials US LLC - Suite 101 | Tempe | AZ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VUVesuvius USA Site | Chehalis | WA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
