| SLSilar Laboratories | Scotia | NY | — | ◇ UNVERIFIED |
| SISilpak INC | Pomona | CA | — | ◇ UNVERIFIED |
| SASilver Anvil Engineering Corporation | Golden | CO | — | ◇ UNVERIFIED |
| SSSimplot Soilbuilders Prosser | Prosser | WA | — | ◇ UNVERIFIED |
| SOSinclair Oil Tulsa Refining Tulsa Trucking | Tulsa | OK | — | ◇ UNVERIFIED |
| SISkasol INC | Oakland | CA | — | ◇ UNVERIFIED |
| SPSk Pucore INC USA | Covington | GA | — | ◇ UNVERIFIED |
| SQSkw Quab Chemicals | Theodore | AL | — | ◇ UNVERIFIED |
| SCSkyline Composite INC | Fall River | MA | — | ◇ UNVERIFIED |
| SLSkynano, LLC | Knoxville | TN | — | ◇ UNVERIFIED |
| SCSmall CORP INC | Greenfield | MA | — | ◇ UNVERIFIED |
| SDSmfi Dba Four Seasons Leisure Products | Montrose | CO | — | ◇ UNVERIFIED |
| SOSmooth on | Easton | PA | — | ◇ UNVERIFIED |
| SOSnap on Diagnostics | Elkhorn | WI | — | ◇ UNVERIFIED |
| SCSnapvent CO | Knoxville | TN | — | ◇ UNVERIFIED |
| SCSoluol Chemical CO INC | West Warwick | RI | — | ◇ UNVERIFIED |
| SISolutia INC | Trenton | MI | — | ◇ UNVERIFIED |
| SISolutia INC Krummrich Il (part) | Sauget | IL | — | ◇ UNVERIFIED |
| SPSolutia Plant | Trenton | MI | — | ◇ UNVERIFIED |
| SCSolvay Chemicals, INC. Parachute Plant | Parachute | CO | — | ◇ UNVERIFIED |
| SSSolvay Specialty Polymers USA | Borger | TX | — | ◇ UNVERIFIED |
| SUSolvay USA INC | New Brunswick | NJ | — | ◇ UNVERIFIED |
| SUSolvay USA Incorporated | Hammond | IN | — | ◇ UNVERIFIED |
| SUSolvay USA Inc.-silver Bow Plant | Silver Bow | MT | — | ◇ UNVERIFIED |
| SISongwon International Americas INC. - La Porte | La Porte | TX | — | ◇ UNVERIFIED |
| SASoutheastern Adhesives | Lenoir | NC | — | ◇ UNVERIFIED |
| SBSoutheastern Biodiesel, LLC | Athens | AL | — | ◇ UNVERIFIED |
 Southern Ionics INC. - Lake Charles Facility | Carlyss | LA | — | ◇ UNVERIFIED |
 Southern States Chemical | Wilmington | NC | — | ◇ UNVERIFIED |
| STSouth Texas Chlorine, INC. | Harlingen | TX | — | ◇ UNVERIFIED |
| SISpace INC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| SLSpartech LLC | Greenville | OH | — | ◇ UNVERIFIED |
| SPSpartech Plastics LLC | Muncie | IN | — | ◇ UNVERIFIED |
| SPSpartech Polycast Warehouse | Hackensack | NJ | — | ◇ UNVERIFIED |
| SPSpartech Polycom INC | Kearny | NJ | — | ◇ UNVERIFIED |
| SCSpaulding Composites CO | Dekalb | IL | — | ◇ UNVERIFIED |
| SMSpears Manufacturing Company | Sylmar | CA | — | ◇ UNVERIFIED |
| SCSpecialty Chemical Systems, INC | Pottstown | PA | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Jay | ME | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Plymouth | NC | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Zachary | LA | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Wisconsin Rapids | WI | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Selma | AL | — | ◇ UNVERIFIED |
| SMSpecialty Minerals Incorporated | Franklin | VA | — | ◇ UNVERIFIED |
| SMSpecialty Minerals Inc, Owner, and Specialty Minerals Mississippi Inc, Operator | Brookhaven | MS | — | ◇ UNVERIFIED |
| SPSpecialty Polymers | Leominster | MA | — | ◇ UNVERIFIED |
| SPSpecialty Products | Lakewood | WA | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC | Institute | WV | — | ◇ UNVERIFIED |
| SPSpecialty Products Us, LLC - Glutaraldehyde Plant | Institute | WV | — | ◇ UNVERIFIED |
| SISpex Industries INC Chemical & Sample Prep | Metuchen | NJ | — | ◇ UNVERIFIED |
