| SCSafe Cal Transport INC | Vernon | CA | — | ◇ UNVERIFIED |
| SKSafety Kleen CORP INC - Rollinsford Facility | Rollinsford | NH | — | ◇ UNVERIFIED |
| SOSafety-kleen of California INC | Newark | CA | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems INC - Kimberly Facility - Fka U S Oil | Kimberly | WI | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems INC - Newington Facility | Newington | NH | — | ◇ UNVERIFIED |
| SRSafety Rails of California | Romoland | CA | — | ◇ UNVERIFIED |
| SOSales Oil CO | Denver | CO | — | ◇ UNVERIFIED |
| SLSamantha Lau | Fremont | CA | — | ◇ UNVERIFIED |
| SCSan Carlos Elms | San Carlos | CA | — | ◇ UNVERIFIED |
| SHSand Hill Los Gatos Whole Foods | Los Gatos | CA | — | ◇ UNVERIFIED |
| SFSandoval Fence Lathrop | Lathrop | CA | — | ◇ UNVERIFIED |
| SJSan Joaquin Refining CO. INC. | North Hollywood | CA | — | ◇ UNVERIFIED |
| SLSan Luis Tank Piping Construct | Sun Valley | CA | — | ◇ UNVERIFIED |
| SPSan Pablo Bay Pipeline Company LLC | Tracy | CA | — | ◇ UNVERIFIED |
| SHSansome Holdings, LP | San Francisco | CA | — | ◇ UNVERIFIED |
| SCSanta Clara County Central Fire Protection District | Campbell | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Springs Refinery | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SMSanta Maria Asphalt Refinery | Santa Maria | CA | — | ◇ UNVERIFIED |
| SBSavings Bank of Mendocino County | Ukiah | CA | — | ◇ UNVERIFIED |
| SFSc Fuels | Paramount | CA | — | ◇ UNVERIFIED |
| SLScott L. Borba Revocable Trust | Bay Point | CA | — | ◇ UNVERIFIED |
| SPSc Property Management INC | Belmont | CA | — | ◇ UNVERIFIED |
| SScr | Oxnard | CA | — | ◇ UNVERIFIED |
| SPSeaport Portland Terminal | Portland | OR | — | ◇ UNVERIFIED |
| SGShane Greaves | Fresno | CA | — | ◇ UNVERIFIED |
| SMShasta Marine Performance | Chico | CA | — | ◇ UNVERIFIED |
| SLSheffield Lubricants | Casa Grande | AZ | — | ◇ UNVERIFIED |
| SShell/aafes | French Camp | CA | — | ◇ UNVERIFIED |
| SOShell Oil Company | Carson | CA | — | ◇ UNVERIFIED |
| SOShell Oil Company | Shreveport | LA | — | ◇ 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 |
| SIShenango Incorporated | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SCSherman Court | Reseda | CA | — | ◇ UNVERIFIED |
| SIShips Int'l INC. | Petaluma | CA | — | ◇ UNVERIFIED |
| SCSierra County | Loyalton | CA | — | ◇ UNVERIFIED |
| SESilver Eagle Refining - Woods Cross Inc.- Petroleum Products Refining | Woods Cross | UT | — | ◇ UNVERIFIED |
| SMSilvestre Mfg | Santa Clara | CA | — | ◇ UNVERIFIED |
| SOSinclair Oil Tulsa Refining Tulsa Trucking | Tulsa | OK | — | ◇ UNVERIFIED |
| STSinghland Truck Center | Ceres | CA | — | ◇ UNVERIFIED |
| STSingh Truck and Trailer Repair | Fresno | CA | — | ◇ UNVERIFIED |
| SSSocal Self Storage | Pasadena | CA | — | ◇ UNVERIFIED |
| SMSolugen Minetta Facility | Houston | TX | — | ◇ UNVERIFIED |
| SISolutia Inc-john F Queeny Plant | Saint Louis | MO | — | ◇ UNVERIFIED |
| SISolutia, INC. - Linden Facility | Linden | NJ | — | ◇ UNVERIFIED |
| SPSopus Products | Roxana | IL | — | ◇ UNVERIFIED |
| SBSouth Bay Aviation | Torrance | CA | — | ◇ UNVERIFIED |
| SPSoutheastern Petroleum LLC | Chester | SC | — | ◇ UNVERIFIED |
| SCSouthern Counties Lubricants | Temecula | CA | — | ◇ UNVERIFIED |
| SFSpecchem Farmersville | Farmersville | TX | — | ◇ UNVERIFIED |
| SLSpectrum Lubricants Inc-main Plant | Hornsby | TN | — | ◇ UNVERIFIED |
| SSSpeed Socal | Murrieta | CA | — | ◇ UNVERIFIED |
| SHSp Harbor Qobz, LP | San Pedro | CA | — | ◇ UNVERIFIED |
| SSSpirit Services of Wv LLC | Bruceton Mills | WV | — | ◇ UNVERIFIED |
| SSSpirit Services of Wv LLC | Nitro | WV | — | ◇ UNVERIFIED |
| SSSpirit Services of Wv LLC | Beech Bottom | WV | — | ◇ UNVERIFIED |
| SCSpringfield Coal CO | Waltonville | IL | — | ◇ UNVERIFIED |
| SISta-lube INC | Compton | CA | — | ◇ UNVERIFIED |
| SGStan Guerra | Los Angeles | CA | — | ◇ UNVERIFIED |
| SIStarcon International | Artesia | NM | — | ◇ UNVERIFIED |
| SIStarcon International | Lemont | IL | — | ◇ UNVERIFIED |
| SIStar-glo Industries INC | East Rutherford | NJ | — | ◇ UNVERIFIED |
| SBStein Bros. Oil, INC. | Belleville | IL | — | ◇ UNVERIFIED |
| SEStericycle Environmental Solutions - Lancaster Facility | Lancaster | TX | — | ◇ UNVERIFIED |
| SOSterling Oil and Chemical Company | Royal Oak | MI | — | ◇ UNVERIFIED |
| SSSterling Services, LTD. | Hamtramck | MI | — | ◇ UNVERIFIED |
| SMStill Motion Concepts LLC | Manteca | CA | — | ◇ UNVERIFIED |
| SMSt. Mary's Refinery CO. | Saint Marys | WV | — | ◇ UNVERIFIED |
| SAStockton Armature and Motor Works INC. | Stockton | CA | — | ◇ UNVERIFIED |
| SLStreet Legal Studio | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SMStreetlife Motorcyle | Paramount | CA | — | ◇ UNVERIFIED |
| SIStronghold Inspection, LLC | Texas City | TX | — | ◇ UNVERIFIED |
| SRSt. Rose Refinery LLC | Saint Rose | LA | — | ◇ UNVERIFIED |
| SRSt Rose Refinery LLC - St Rose Refinery | Saint Rose | LA | — | ◇ UNVERIFIED |
| SLSts Line Maintinance | Burbank | CA | — | ◇ UNVERIFIED |
| SMStuttgart Motors & Services | Sacramento | CA | — | ◇ UNVERIFIED |
| SSSubie Spot LLC | West Sacramento | CA | — | ◇ UNVERIFIED |
| SASun Air Jets | Van Nuys | CA | — | ◇ UNVERIFIED |
| SRSunbelt Refining CO. | Coolidge | AZ | — | ◇ UNVERIFIED |
| SRSunbelt Rentals | Elk Grove | CA | — | ◇ UNVERIFIED |
 Sun Chemical Corporation | Linden | NJ | — | ◇ UNVERIFIED |
| SRSunland Refining | Bakersfield | CA | — | ◇ UNVERIFIED |
| SISunoco INC Eagle Point Refinery | Westville | NJ | — | ◇ UNVERIFIED |
| SISunoco INC (r&m) Eagle Point Facility | Westville | NJ | — | ◇ UNVERIFIED |
| SPSunoco Partners Mkt & Term LP Darby Creek Tank Farm | Darby | PA | — | ◇ UNVERIFIED |
| SPSunoco Philadelphia Refinery | Philadelphia | PA | — | ◇ UNVERIFIED |
| SMSunset Menlo Partners, Ii, LLC | Menlo Park | CA | — | ◇ UNVERIFIED |
| SISuperior Industries International | Pittsburg | KS | — | ◇ UNVERIFIED |
| SISuperlift INC | Montclair | CA | — | ◇ UNVERIFIED |
| SHSurmeier Holdings LLC | St. Louis | MO | — | ◇ UNVERIFIED |
| SRSweeny Refinery Petrochem | Sweeny | TX | — | ◇ UNVERIFIED |
| SCSweetwater Carwash LLC | National City | CA | — | ◇ UNVERIFIED |
| SRSynergy Recycling LLC | Kingsland | GA | — | ◇ UNVERIFIED |
| SRSynergy Recycling LLC | Fairburn | GA | — | ◇ UNVERIFIED |
| TATalley Asphalt Products Company, INC. | Taft | CA | — | ◇ UNVERIFIED |
| TCTapmatic CORP | Irvine | CA | — | ◇ UNVERIFIED |
| TITc Ii 7200 Bancroft, LLC | Oakland | CA | — | ◇ UNVERIFIED |
| TPTcs Performance Products & Machining, INC. | Ontario | CA | — | ◇ UNVERIFIED |
