| SCShell Catalysts and Technologies L.p. | Port Allen | LA | — | ◇ UNVERIFIED |
| SMShepherd Middletown Company | Middletown | OH | — | ◇ UNVERIFIED |
| SRSid Richardson Carbon CO | Borger | TX | — | ◇ UNVERIFIED |
| SASigma - Aldrich Co-sigma Chemical Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SGSi Group | Rotterdam Junction | NY | — | ◇ UNVERIFIED |
| SGSi Group INC - South Plant | Morgantown | WV | — | ◇ UNVERIFIED |
| SPSimplot Phosphates - Phosphate Fertilizer Plant | Rock Springs | WY | — | ◇ UNVERIFIED |
| SQSkw Quab Chemicals | Theodore | AL | — | ◇ UNVERIFIED |
| SPSlide Products INC | Wheeling | IL | — | ◇ UNVERIFIED |
| SOSnap on Diagnostics | Elkhorn | WI | — | ◇ UNVERIFIED |
| SRSnf Riceboro Plant | Riceboro | GA | — | ◇ UNVERIFIED |
| SLSolenis LLC - Suffolk | Suffolk | VA | — | ◇ UNVERIFIED |
| SPSolenis-macon Plant | Macon | GA | — | ◇ UNVERIFIED |
| SISolutia INC Anniston Plant | Anniston | AL | — | ◇ UNVERIFIED |
| SISolutia INC - Indian Orchard Plant | Springfield | MA | — | ◇ 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 |
| SISongwon International Americas INC. - La Porte | La Porte | TX | — | ◇ UNVERIFIED |
 Southern Ionics INC | Sulphur | LA | — | ◇ UNVERIFIED |
 Southern States Phosphate & Fe Rtilizer CO | Savannah | GA | — | ◇ UNVERIFIED |
| SMSpawn Mate, INC. | New Albany | IN | — | ◇ UNVERIFIED |
| SCSpecialty Chemical Systems, INC | Pottstown | PA | — | ◇ UNVERIFIED |
| SISpecialty Industrial Products, INC. | Spartanburg | SC | — | ◇ UNVERIFIED |
| SMSpecialty Minerals Dolomite Plant | Canaan | CT | — | ◇ UNVERIFIED |
| SCStabond CORP | Gardena | CA | — | ◇ UNVERIFIED |
| SCStepan Company - Fieldsboro Plant | Fieldsboro | NJ | — | ◇ UNVERIFIED |
| SCStruktol Company of America | Cuyahoga Falls | OH | — | ◇ UNVERIFIED |
| SCSud-chemie Chemical Plant | Louisville | KY | — | ◇ UNVERIFIED |
| SLSulfco, LLC | Savannah | GA | — | ◇ UNVERIFIED |
| SSupelco | Bellefonte | PA | — | ◇ UNVERIFIED |
| SSSyensqo Specialty Polymers USA LLC | Marietta | OH | — | ◇ UNVERIFIED |
 Syngenta Crop Protection, LLC. - St Gabriel Plant | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| SCSyntech Chemicals | Houston | TX | — | ◇ UNVERIFIED |
| SASynthomer Adhesive Tehcnologies Eastoflex and East | Longview | TX | — | ◇ UNVERIFIED |
| TETaminco Eastman US - St Gabriel Plant | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| TPTampa Port Services LLC - Faustina Plant | Saint James | LA | — | ◇ UNVERIFIED |
| TLTate & Lyle Ingredients Americas LLC | Duluth | MN | — | ◇ UNVERIFIED |
| TLTate & Lyle Sucralose INC | Mc Intosh | AL | — | ◇ UNVERIFIED |
| TATci America | Portland | OR | — | ◇ UNVERIFIED |
| TLTdc Llc-corpus Christi Plant | Corpus Christi | TX | — | ◇ UNVERIFIED |
| TCTedia Company INC | Fairfield | OH | — | ◇ UNVERIFIED |
| TITerra International (oklahoma) Inc/woodward Complex | Woodward | OK | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC | Kennewick | WA | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC | Coffeyville | KS | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley, INC. | Hanford | CA | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley, INC. - Eufaula Facility | Eufaula | AL | — | ◇ UNVERIFIED |
| TTTetra Technologies - Chemical Division | West Memphis | AR | — | ◇ UNVERIFIED |
| TCThatcher Company of North Dakota INC | Glendive | MT | — | ◇ UNVERIFIED |
