| SSStar Seal of Minnesota INC | Shakopee | MN | — | ◇ UNVERIFIED |
| STStar Thermoplastic Alloys & Rubbers INC | Broadview | IL | — | ◇ UNVERIFIED |
| SOState of Delaware Graphics & Printing - 604 Otis Dr, Dover | Dover | DE | — | ◇ UNVERIFIED |
| SStepan | Wilmington | NC | — | ◇ UNVERIFIED |
| SNStillman Northern CORP | East Syracuse | NY | — | ◇ UNVERIFIED |
| SJSt Jude Medical Puerto Rico LLC | Arecibo | PR | — | ◇ UNVERIFIED |
| SAStonehouse Acquisition CO Llc/chambersburg | Chambersburg | PA | — | ◇ UNVERIFIED |
| SDStonewall Distribution Center | Winchester | VA | — | ◇ UNVERIFIED |
| SCStoney Creek Technologies LLC | Marcus Hook | PA | — | ◇ UNVERIFIED |
| SLStop Look Plastics | La Habra | CA | — | ◇ UNVERIFIED |
| SPStreamline Polymers | Houston | TX | — | ◇ UNVERIFIED |
| SIStyrotek INC. | Delano | CA | — | ◇ UNVERIFIED |
| SSudoc | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SWSuez Wts | San Marcos | CA | — | ◇ UNVERIFIED |
| SASulphuric Acid Trading | Tampa | FL | — | ◇ UNVERIFIED |
| SBSumitomo Backlite North America | Kenton | OH | — | ◇ UNVERIFIED |
| SPSumitomo Plastics America INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| SCSummit Clinical Laboratories | Brookfield | WI | — | ◇ UNVERIFIED |
| SCSummit Custom Spray Drying INC @ Flemington Ind Pk | Flemington | NJ | — | ◇ UNVERIFIED |
| SRSummit Research Labs, INC. | Middletown | NY | — | ◇ UNVERIFIED |
| SBSumo Biosciences | Pasadena | CA | — | ◇ UNVERIFIED |
| SBSun Beaver Term/vanport | Vanport | PA | — | ◇ UNVERIFIED |
| SCSunbelt Chemicals INC | Gulfport | MS | — | ◇ UNVERIFIED |
| SCSuncast CORP | Batavia | IL | — | ◇ UNVERIFIED |
 Sun Chemical CORP | Williamsport | MD | — | ◇ UNVERIFIED |
| SPSuncoast Plastic Fabrication, INC. | Valrico | FL | — | ◇ UNVERIFIED |
| SCSun Color Corporation | North Canton | OH | — | ◇ UNVERIFIED |
| SPSunedison Polysilicon Facility | Pasadena | TX | — | ◇ UNVERIFIED |
| SASunlit Arizona LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| SPSunoco Partners M & T - Beaver Terminal | Vanport | PA | — | ◇ UNVERIFIED |
| SRSunoco R&m Bayport Polypropylene | Pasadena | TX | — | ◇ UNVERIFIED |
| SRSunpol Resins & Polymers INC | Fairfield | CA | — | ◇ UNVERIFIED |
| SFSunrise Fiberglass Engineering Site | Shelton | WA | — | ◇ UNVERIFIED |
| SFSuperior Fibers - Vanceburg LLC | Vanceburg | KY | — | ◇ UNVERIFIED |
| SLSuperior Lime & Chemical | Phoenix | AZ | — | ◇ UNVERIFIED |
| SMSuperior Manufacturing Group | Moselle | MS | — | ◇ UNVERIFIED |
| SPSuperior Polymers, LLC | Hattiesburg | MS | — | ◇ UNVERIFIED |
| SPSurraj Plastic Co. | Garden Grove | CA | — | ◇ UNVERIFIED |
| SOSustainable Organic Solution | Santa Clara | CA | — | ◇ UNVERIFIED |
| SSSw Shattuck Chemical CO INC | Denver | CO | — | ◇ UNVERIFIED |
| SSylvania | Fort Worth | TX | — | ◇ UNVERIFIED |
| SISymrise, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| SISyncro INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| SRSynergy Research Group | North Hollywood | CA | — | ◇ UNVERIFIED |
| SSyngenta | Bucks | AL | — | ◇ UNVERIFIED |
| SCSyntec CORP | New Castle | DE | — | ◇ UNVERIFIED |
| STSyntech Technology INC | Springfield | VA | — | ◇ UNVERIFIED |
| SLSynthcon LLC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SLSynthepor LLC | Nampa | ID | — | ◇ UNVERIFIED |
| SCSynthio Chemicals | Broomfield | CO | — | ◇ UNVERIFIED |
| SISynthomer INC | Fitchburg | MA | — | ◇ UNVERIFIED |
| SFSysco Food Services | Walnut | CA | — | ◇ UNVERIFIED |
| SSSystem Seals INC | Brecksville | OH | — | ◇ UNVERIFIED |
| TMTacoma Metals INC | Tacoma | WA | — | ◇ UNVERIFIED |
| TITakasago International CORP (usa) | University Park | IL | — | ◇ UNVERIFIED |
| TPTalco Plastics | Long Beach | CA | — | ◇ UNVERIFIED |
| THTaminco Higher Amines Inc/st. Gabriel | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| TSTangible Science | Menlo Park | CA | — | ◇ UNVERIFIED |
| TTTank Tech Inc/bridgeport Chemical INC | Sikeston | MO | — | ◇ UNVERIFIED |
| TMTaylor Made Fiberglass, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| TPTb Philly | Carrollton | TX | — | ◇ UNVERIFIED |
| TLTdc LLC - Westlake Plant | Westlake | LA | — | ◇ UNVERIFIED |
| TATech America | Corona | CA | — | ◇ UNVERIFIED |
| TRTechnical Resin Packaging INC | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| TCTedia Company INC (1409030683) | Fairfield | OH | — | ◇ UNVERIFIED |
| TLTef Labs | Austin | TX | — | ◇ UNVERIFIED |
| TPTejas Plastics, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| TPTekni Plex INC | Branchburg | NJ | — | ◇ UNVERIFIED |
| TATeknor Apex CO | Attleboro | MA | — | ◇ UNVERIFIED |
| TATeknor Apex-north Carolina | Jamestown | NC | — | ◇ UNVERIFIED |
| TTeknos | Charlotte | NC | — | ◇ UNVERIFIED |
| TTerralithium | Brawley | CA | — | ◇ UNVERIFIED |
| TMTerra Mississippi Nitrogen (melamine Facility) | Donaldsonville | LA | — | ◇ UNVERIFIED |
| TRTesoro Refining and Marketing Co, LLC | Carson | CA | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley | Dumas | TX | — | ◇ UNVERIFIED |
| TKTessenderlo Kerley INC | Fresno | CA | — | ◇ UNVERIFIED |
| TATetra Arkansas Project LLC - Tetra Arkansas Project - Evergreen Plant | Stamps | AR | — | ◇ UNVERIFIED |
| TATetra Arkansas Project LLC - Tetra Arkansas Project LLC - Evergreen #2 | Magnolia | AR | — | ◇ UNVERIFIED |
| TCTetra Chemicals | Westlake | LA | — | ◇ UNVERIFIED |
| TTTetra Technologies INC | El Dorado | AR | — | ◇ UNVERIFIED |
| TTTetra Technologies, INC. | Havertown | PA | — | ◇ UNVERIFIED |
| TMTexas Molecular - Deer Park Services | Deer Park | TX | — | ◇ UNVERIFIED |
| TRTextile Rubber & Chemical CO | Dalton | GA | — | ◇ UNVERIFIED |
| TPThacker Pass/kings River Valley Lithium Project | Orovada | NV | — | ◇ UNVERIFIED |
| TCThatcher Chemical of Florida INC | Palmetto | FL | — | ◇ UNVERIFIED |
 Thatcher Company of California, INC. - Stockton | Stockton | CA | — | ◇ UNVERIFIED |
| TCThatcher Company of Montana | Missoula | MT | — | ◇ UNVERIFIED |
| TAThe Alpha Corporation of Tennessee INC | Perris | CA | — | ◇ UNVERIFIED |
| TAThe Andersons Marathon Holdings LLC - Greenville Plant (0819750245) | Greenville | OH | — | ◇ UNVERIFIED |
| TAThe Art Lithocraft Company | Modesto | CA | — | ◇ UNVERIFIED |
| TCThe Chemours Company | Fremont | CA | — | ◇ UNVERIFIED |
| TCThe Chemours Company | Niagara Falls | NY | — | ◇ UNVERIFIED |
| TDThe Dow Chemical CO | Joliet | IL | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Deer Park | TX | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Plaquemine | LA | — | ◇ UNVERIFIED |
| TFThe Fountain People, INC. | San Marcos | TX | — | ◇ UNVERIFIED |
| TGThe Geon Company | Deer Park | TX | — | ◇ UNVERIFIED |
| TLThe Lamotte Chemical Products Company | Chestertown | MD | — | ◇ UNVERIFIED |
| TLThe Lewis Chemical CO. | Rome | GA | — | ◇ UNVERIFIED |
| TMThe Marbleworks | North Port | FL | — | ◇ UNVERIFIED |
