| RCRenew Chemical INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| RRRenew Resources LLC | Rock Hill | SC | — | ◇ UNVERIFIED |
| RPReo Processing Texas | Freeport | TX | — | ◇ UNVERIFIED |
| RSResin Solutions LLC (formerly Total Petrochemical and Refining) | Stratford | CT | — | ◇ UNVERIFIED |
| RIResource Innovation, INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| RResynergi | Santa Rosa | CA | — | ◇ UNVERIFIED |
| RIResynergi INC | Rohnert Park | CA | — | ◇ UNVERIFIED |
| RCRevlis Corporation | Norton | OH | — | ◇ UNVERIFIED |
| RCRex - Coal Based Activated Ca | Gillette | WY | — | ◇ UNVERIFIED |
| RGR & G Carting & Recycling, LLC | Southington | CT | — | ◇ UNVERIFIED |
| RPRhone Poulenc Incorporated | Philadelphia | PA | — | ◇ UNVERIFIED |
| RCRicon Corporation | San Fernando | CA | — | ◇ UNVERIFIED |
| RSRite1 Supply Partners, LLC | Acworth | GA | — | ◇ UNVERIFIED |
| RFRiverport Facility | Louisville | KY | — | ◇ UNVERIFIED |
| RJR J Recycling LLC | Parkersburg | WV | — | ◇ UNVERIFIED |
| RMRobert Morgan INC | Kansas | IL | — | ◇ UNVERIFIED |
| RORobinson Outdoor Products LLC | Cannon Falls | MN | — | ◇ UNVERIFIED |
| RERockwater Energy Solutions | Duncan | OK | — | ◇ UNVERIFIED |
| RERockwater Energy Solutions | El Reno | OK | — | ◇ UNVERIFIED |
| RLRockwood Lithium INC | Pasadena | TX | — | ◇ UNVERIFIED |
| RARoehm America Bay City Site | Bay City | TX | — | ◇ UNVERIFIED |
| RCRogers CORP - Price | Chandler | AZ | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals LLC | La Mirada | CA | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc- Cincinnati Plant | Cincinnati | OH | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc, Lone Star Plant | Deer Park | TX | — | ◇ UNVERIFIED |
| RHRohm & Haas Electronic Materials LLC | Freeport | NY | — | ◇ UNVERIFIED |
| RGRomano Group, LLC | Miami | FL | — | ◇ UNVERIFIED |
| RERomic Environmental Technologies CORP | Palo Alto | CA | — | ◇ UNVERIFIED |
| RTRonald T Dodge Company | Dayton | OH | — | ◇ UNVERIFIED |
| RCRosas Cleaners | Granada Hills | CA | — | ◇ UNVERIFIED |
| RMRose Mill Holdings LLC | Windsor Locks | CT | — | ◇ UNVERIFIED |
| R6Route 66 Vapor | Albuquerque | NM | — | ◇ UNVERIFIED |
| RPRoyale Pigments and Chemicals Inc | Seaford | DE | — | ◇ UNVERIFIED |
| RCRsa CORP | Danbury | CT | — | ◇ UNVERIFIED |
| RCRudolf-venture Chemicals | Rock Hill | SC | — | ◇ UNVERIFIED |
| RPRycoline Products INC | Chicago | IL | — | ◇ UNVERIFIED |
| RPRycoline Products INC | Clifton | NJ | — | ◇ UNVERIFIED |
| RPRycoline Products, LLC | Adelanto | CA | — | ◇ UNVERIFIED |
| SCSachtleben Corporation | Painesville | OH | — | ◇ UNVERIFIED |
| SSSafeguard Self Storage | Metairie | LA | — | ◇ UNVERIFIED |
| SKSafety Kleen a Clean Harbors Company | Portland | CT | — | ◇ UNVERIFIED |
| SCSafetykleen CORP. | Dolomite | AL | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems | Bridgeport | CT | — | ◇ UNVERIFIED |
| SKSafety Kleen Systems, INC. | N Las Vegas | NV | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems INC | Oakland | CA | — | ◇ UNVERIFIED |
| SKSafety Kleen Systems INC - Burlington Facility | Burlington | NJ | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems INC - Newington Facility | Newington | NH | — | ◇ UNVERIFIED |
| SKSafety Kleen Systems INC - South Plainfield Facility | South Plainfield | NJ | — | ◇ UNVERIFIED |
| SOSafeway Oil Recovery | Von Ormy | TX | — | ◇ UNVERIFIED |
| SXSafuels X Renewable Fuels Facility | Williston | ND | — | ◇ UNVERIFIED |
| SCSaint-gobain Ceramic Materials / Innovative Organics | Anaheim | CA | — | ◇ UNVERIFIED |
| SASalt and Powder Ventures, LLC | Omaha | NE | — | ◇ UNVERIFIED |
| SDSalt Drying Plant | Carlsbad | NM | — | ◇ UNVERIFIED |
| SISaltworks INC | Woodinville | WA | — | ◇ UNVERIFIED |
| SBSandhill Bach Rng Facility | Dorchester | WI | — | ◇ UNVERIFIED |
| SFSandhill Five Star Rng | Elk Mound | WI | — | ◇ UNVERIFIED |
| SPSandra Paden | Bidwell | OH | — | ◇ UNVERIFIED |
| SLSantolubes LLC | Saint Charles | MO | — | ◇ UNVERIFIED |
| SBSapp Brothers, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| SCSartomer CO | New Brunswick | NJ | — | ◇ UNVERIFIED |
| SCSasol Chem USA Llc/oil City | Oil City | PA | — | ◇ UNVERIFIED |
| SNSasol North America INC - Lab Plant | Westlake | LA | — | ◇ UNVERIFIED |
| SASauget Area 2 Sites Group | Sauget | IL | — | ◇ UNVERIFIED |
| SISccs, INC. | New Brockton | AL | — | ◇ UNVERIFIED |
| SCSeacon Corporation | Charlotte | NC | — | ◇ UNVERIFIED |
| SLSea Lion Tech INC | Texas City | TX | — | ◇ UNVERIFIED |
| SASeaside Automation LLC | Grass Valley | CA | — | ◇ UNVERIFIED |
| SISefar INC | Ontario | CA | — | ◇ UNVERIFIED |
| SPSekisui Polymatech America LLC | Calvert City | KY | — | ◇ UNVERIFIED |
| SCSelect Chemistry - Evans Distribution Facility | Evans | CO | — | ◇ UNVERIFIED |
| SESelect Energy Services, LLC | Douglas | WY | — | ◇ UNVERIFIED |
| SCSenju Comtek CORP. | Santa Clara | CA | — | ◇ UNVERIFIED |
| SCSenju Comtek Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| SISensient Imaging Technologies INC | Carlsbad | CA | — | ◇ UNVERIFIED |
| SPSerum Products, LLC | Marietta | GA | — | ◇ UNVERIFIED |
| SCService Chemical LLC | North Andover | MA | — | ◇ UNVERIFIED |
| SCSettlers Corporate Center Bldg Six | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SCSettlers Corporate Center Bldg Three | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SRSgr Railyard | San Patricio | TX | — | ◇ UNVERIFIED |
| SIShamar Investments, LLC | Travelers Rest | SC | — | ◇ UNVERIFIED |
| SFShamrock Filling LLC | Canton | OH | — | ◇ UNVERIFIED |
| STShamrock Technologies INC | Henderson | KY | — | ◇ UNVERIFIED |
| SSSheen & Sheen | Temple City | CA | — | ◇ UNVERIFIED |
| SPShelbyville Pencil Company INC | Shelbyville | TN | — | ◇ UNVERIFIED |
| SAShenmao America INC | San Jose | CA | — | ◇ UNVERIFIED |
| SPShield Packaging of Ca Incorporated | Chino | CA | — | ◇ UNVERIFIED |
| SCShipley CO L L C | Freeport | NY | — | ◇ UNVERIFIED |
| SFShowman Fabricators | Long Island City | NY | — | ◇ UNVERIFIED |
| SISiemens Industry, INC. | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SASigma - Aldrich Mfg LLC Dekalb Facility | Saint Louis | MO | — | ◇ UNVERIFIED |
| STSignature Transport INC. | Vancouver | WA | — | ◇ UNVERIFIED |
| SISignographics2000 INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| SGSi Group at Bay Logistics | Detroit | MI | — | ◇ UNVERIFIED |
| SGSi Group USA (usaa), LLC - North Plant | Morgantown | WV | — | ◇ UNVERIFIED |
| SCSika Corporation | Newark | CA | — | ◇ UNVERIFIED |
| SVSika-stafford Va | Stafford | VA | — | ◇ UNVERIFIED |
 Sila Nanotechnologies INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SISimiron, Inc. | Rochester Hills | MI | — | ◇ UNVERIFIED |
| SVSimple Vapor | Dublin | OH | — | ◇ UNVERIFIED |
| SESiouxland Energy Cooperative | Hudson | SD | — | ◇ UNVERIFIED |
