| SKSafety Kleen Systems INC - South Plainfield Facility | South Plainfield | NJ | — | ◇ UNVERIFIED |
| SXSafuels X Renewable Fuels Facility | Williston | ND | — | ◇ UNVERIFIED |
| SCSaint-gobain Ceramic Materials / Innovative Organics | Anaheim | CA | — | ◇ UNVERIFIED |
| SOSales Oil CO | Denver | CO | — | ◇ UNVERIFIED |
| SCSand Creek Energy LLC | Commerce City | CO | — | ◇ UNVERIFIED |
| SBSandhill Bach Rng Facility | Dorchester | WI | — | ◇ UNVERIFIED |
| SFSandhill Five Star Rng | Elk Mound | WI | — | ◇ UNVERIFIED |
| SLSaniones LLC | Detroit | MI | — | ◇ UNVERIFIED |
| SLSaniones LLC | Detroit | MI | — | ◇ UNVERIFIED |
| SJSan Joaquin Refining CO. INC. | North Hollywood | CA | — | ◇ UNVERIFIED |
| SLSan Luis Tank Piping Construct | Sun Valley | CA | — | ◇ UNVERIFIED |
| SLSan Luis Valley Protein Energy CORP | Monte Vista | CO | — | ◇ UNVERIFIED |
| SPSan Pablo Bay Pipeline Company LLC | Tracy | CA | — | ◇ UNVERIFIED |
| SCSanta Clara County Central Fire Dept | Los Gatos | CA | — | ◇ UNVERIFIED |
| SCSanta Clara County Central Fire Protection District | Los Altos | CA | — | ◇ UNVERIFIED |
| SCSanta Clara County Fire Dept | Cupertino | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Springs Refinery | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SMSanta Maria Asphalt Refinery | Santa Maria | CA | — | ◇ UNVERIFIED |
| SLSantolubes LLC | Saint Charles | MO | — | ◇ UNVERIFIED |
| SVSan Vicente Mobile Home Park | Santa Barbara | CA | — | ◇ 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 |
| SCSchc CO INC CORP Office | Syracuse | NY | — | ◇ UNVERIFIED |
| SCScurry County Former Basin Wax | — | TX | — | ◇ UNVERIFIED |
| SOSea-3 of Florida, INC. Lpg Facility | Tampa | FL | — | ◇ UNVERIFIED |
| SCSeadrift Coke | Port Lavaca | TX | — | ◇ UNVERIFIED |
| SLSea Lion Tech INC | Texas City | TX | — | ◇ UNVERIFIED |
| SPSeaport Portland Terminal | Portland | OR | — | ◇ UNVERIFIED |
| SESecure Energy Paducah Gasification Plant | West Paducah | KY | — | ◇ UNVERIFIED |
| STSelma Terminal | Selma | NC | — | ◇ UNVERIFIED |
| SPSeneca Petroleum CO INC | Lemont | IL | — | ◇ UNVERIFIED |
| SCService Chemical LLC | North Andover | MA | — | ◇ UNVERIFIED |
| SCSettlers Corporate Center Bldg Six | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SCSettlers Corporate Center Bldg Three | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SMSextet Mining CORP | Madisonville | KY | — | ◇ UNVERIFIED |
| SRSgr Railyard | San Patricio | TX | — | ◇ UNVERIFIED |
| SSSharon Steel CORP Steel Div | Farrell | PA | — | ◇ UNVERIFIED |
| SLSheffield Lubricants | Casa Grande | AZ | — | ◇ UNVERIFIED |
| SOShell Oil Company | Shreveport | LA | — | ◇ UNVERIFIED |
| SOShell Oil Company | Carson | CA | — | ◇ UNVERIFIED |
| SOShell Oil Products US | Martinez | CA | — | ◇ UNVERIFIED |
| SOShell Oil Products US Van Nuys Terminal | Van Nuys | CA | — | ◇ UNVERIFIED |
| SLShelly Liquid Division | Gallipolis | OH | — | ◇ UNVERIFIED |
| SASigma - Aldrich Mfg LLC Dekalb Facility | Saint Louis | MO | — | ◇ UNVERIFIED |
| SGSi Group at Bay Logistics | Detroit | MI | — | ◇ UNVERIFIED |
| SGSi Group USA (usaa), LLC - North Plant | Morgantown | WV | — | ◇ UNVERIFIED |