| RWRollie Williams Paint Spot INC | Elkhart | IN | — | ◇ UNVERIFIED |
| RRRolls Royce Naval Marine | Walpole | MA | — | ◇ UNVERIFIED |
| RSRossborough Supply Src Div | Cleveland | OH | — | ◇ UNVERIFIED |
| RCRoyal Chemical | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| RCRoyal Chemical CO | Chattanooga | TN | — | ◇ UNVERIFIED |
| RCRoyal Chemical Company C/o Univar Solutions | Hayward | CA | — | ◇ UNVERIFIED |
| RORoyal Oak Enterprises LLC | Monterey | TN | — | ◇ UNVERIFIED |
| RCRyerson Coil Pickling | Chicago | IL | — | ◇ UNVERIFIED |
| SCSafety-kleen CORP INC - Davenport Facility | Davenport | IA | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems | Cranston | RI | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems -510301 | Minneapolis | MN | — | ◇ UNVERIFIED |
| SKSafety Kleen Systems INC | Des Moines | IA | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems INC | Dolton | IL | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems INC Buffalo Oil Recovery Facility | Buffalo | NY | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems, INC. - Dolomite, Al Service Center | Dolomite | AL | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems INC - Linden | Linden | NJ | — | ◇ UNVERIFIED |
| SFSan Francisco Refinery at Rodeo, California | Rodeo | CA | — | ◇ UNVERIFIED |
| SJSan Joaquin Refining CO INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| SMSanta Maria Facility | Arroyo Grande | CA | — | ◇ UNVERIFIED |
| SGSas Global Fka Sure Alloy Steel Corporation | Warren | MI | — | ◇ UNVERIFIED |
| SRSchuylkill River Tank Farm | Philadelphia | PA | — | ◇ UNVERIFIED |
| SPScott Petroleum Greenville Terminal | Greenville | MS | — | ◇ UNVERIFIED |
| SLSeatex LLC | El Campo | TX | — | ◇ UNVERIFIED |
| SCSelect Chemistry-tyler | Tyler | TX | — | ◇ UNVERIFIED |
| SWSeverstal Wheeling INC - Follansbee | Follansbee | WV | — | ◇ UNVERIFIED |
| STShamrock Technologies INC | Newark | NJ | — | ◇ UNVERIFIED |
| SCShell Chemical | Deer Park | TX | — | ◇ UNVERIFIED |
| SCShell Chemical LP - Martinez Catayst Plant | Martinez | CA | — | ◇ UNVERIFIED |
| SCShell Chemical Yabucoa, Inc.-yabucoa Refinery | Yabucoa | PR | — | ◇ UNVERIFIED |
| SLShell Lubricant | Galena Park | TX | — | ◇ UNVERIFIED |
| SLShell Lubricants Fowlerville | Fowlerville | MI | — | ◇ UNVERIFIED |
| SOShell Opus Puget Sound Refinery | Anacortes | WA | — | ◇ UNVERIFIED |
| SRShell River Rouge Lubricants Plant | River Rouge | MI | — | ◇ UNVERIFIED |
| SPShreveport Plant | Shreveport | LA | — | ◇ UNVERIFIED |
| SCShrieve Chemical Services | Marlin | TX | — | ◇ UNVERIFIED |
| SESiemens Energy & Automation Incorporated | Roebuck | SC | — | ◇ UNVERIFIED |
| SOSigma-genosys of Texas | The Woodlands | TX | — | ◇ UNVERIFIED |
| SCSika CORP | Aurora | IL | — | ◇ UNVERIFIED |
| SESilver Eagle Refining-woods Cross | Woods Cross | UT | — | ◇ UNVERIFIED |
| SRSmackover Refinery | Smackover | AR | — | ◇ UNVERIFIED |
| SCSmark CO | South Gate | CA | — | ◇ UNVERIFIED |
| SSSolid Start INC | Lakeland | FL | — | ◇ UNVERIFIED |
| SISolutia INC Krummrich Il (part) | Sauget | IL | — | ◇ UNVERIFIED |
| SPSolutions Plus INC | Amelia | OH | — | ◇ UNVERIFIED |
| SUSolvay USA Midland | Midland | TX | — | ◇ UNVERIFIED |
 South Coast Terminals Strang Road Facility | La Porte | TX | — | ◇ UNVERIFIED |
| SCSouthern Chemical & Textiles | Dalton | GA | — | ◇ UNVERIFIED |
| SISouthern Industrial Chemicals, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SLSouthwin LTD Nevada | Sparks | NV | — | ◇ UNVERIFIED |
| SLSpecchem, LLC | Kansas City | KS | — | ◇ UNVERIFIED |
| STSteel Technolgies, LLC | Decatur | AL | — | ◇ UNVERIFIED |
| SCSternocandlelamp CO LLC | Memphis | TN | — | ◇ UNVERIFIED |
| SPStp Products Manufacturing CO | Painesville | OH | — | ◇ UNVERIFIED |
| SPStp Products Manufacturing Company | Vandalia | OH | — | ◇ UNVERIFIED |
| SMStructural Metals INC | Seguin | TX | — | ◇ UNVERIFIED |
| SCStruktol CO. of America | Villa Rica | GA | — | ◇ UNVERIFIED |
| SWSuez Wts USA INC | Addison | IL | — | ◇ UNVERIFIED |
| SWSuez Wts USA INC Beaumont - Plant | Beaumont | TX | — | ◇ UNVERIFIED |
| SLSummit Lubricants | Batavia | NY | — | ◇ UNVERIFIED |
| SCSunburst Chemicals INC. | Minneapolis | MN | — | ◇ UNVERIFIED |
| SCSuncor Commerce City Refinery - East Plant | Commerce City | CO | — | ◇ UNVERIFIED |
| SRSynergy Recycling, LLC | Saint Marys | GA | — | ◇ UNVERIFIED |
| SCSyntech Cedar Port | Baytown | TX | — | ◇ UNVERIFIED |
| TCTaylor Chemical, INC. | Taylor | PA | — | ◇ UNVERIFIED |
| TOTeam Oil Tools | Tulsa | OK | — | ◇ UNVERIFIED |
| TITechnic INC | Cranston | RI | — | ◇ UNVERIFIED |
| TATesoro Alaska Petroleum CO | Kenai | AK | — | ◇ UNVERIFIED |
| TGTesoro Golden Eagle Refinery | Martinez | CA | — | ◇ UNVERIFIED |
| TLTesoro Los Angeles Refinery and Calciner | Carson | CA | — | ◇ UNVERIFIED |
| TITexas International Refining | Galveston | TX | — | ◇ UNVERIFIED |
| TRTexas Refinery CORP. | Mansfield | TX | — | ◇ UNVERIFIED |
| TBTexpar Bainbridge Terminal | Bainbridge | GA | — | ◇ UNVERIFIED |
| TBThe Blaster Chemical Companies | Valley View | OH | — | ◇ UNVERIFIED |
| TDThe Dial Corporation-st. Louis | Saint Louis | MO | — | ◇ UNVERIFIED |
| TLThermaldyne LLC - Port Allen Facility | Port Allen | LA | — | ◇ UNVERIFIED |
| TFThermo Fluids INC | Woods Cross | UT | — | ◇ UNVERIFIED |
| TVThe Valvoline Company | Rochester | PA | — | ◇ UNVERIFIED |
| TVThe Valvoline Company | College Park | GA | — | ◇ UNVERIFIED |
| TIThibiant International | Chatsworth | CA | — | ◇ UNVERIFIED |
| TThunderline-z | Hampstead | NH | — | ◇ UNVERIFIED |
| TCTiarco Chemical | Greenville | SC | — | ◇ UNVERIFIED |
| TSTimpie Salt Processing Plant | Grantsville | UT | — | ◇ UNVERIFIED |
| TSTorch Surface Technologies | Whitmore Lake | MI | — | ◇ UNVERIFIED |
| TITrichromatic-west, INC | Commerce | CA | — | ◇ UNVERIFIED |
| TRTricor Refining, LLC | Bakersfield | CA | — | ◇ UNVERIFIED |
| TMTroy Manufacturing INC | Burton | OH | — | ◇ UNVERIFIED |
| UIUltramar INC Marine Terminal | Wilmington | CA | — | ◇ UNVERIFIED |
| UPUltra Pure Solutions INC | Castroville | CA | — | ◇ UNVERIFIED |
| UHUnilever Hpc USA | Hammond | IN | — | ◇ UNVERIFIED |
| UMUnilever Manufacturing (us), INC. | Raeford | NC | — | ◇ UNVERIFIED |
| USUnilever Supply Chain Inc.-jefferson City Plant | Jefferson City | MO | — | ◇ UNVERIFIED |
| UIUnited Industries Dba Chemsico | Saint Louis | MO | — | ◇ UNVERIFIED |
| URUnited Refining Co/warren Plt | Warren | PA | — | ◇ UNVERIFIED |
| USUnivar Solutions Powder Facility | Waxahachie | TX | — | ◇ UNVERIFIED |
| USUnivar Solutions Ssc Facility | Waxahachie | TX | — | ◇ UNVERIFIED |
| USUnivar Solutions Usa, LLC. Fka Dpc Enterprises, LP | Chattanooga | TN | — | ◇ UNVERIFIED |
| ULUniversal Lubricants-wichita, Ks | Wichita | KS | — | ◇ UNVERIFIED |
| USUniversal Stainless & Alloy Prod/prp Division | Titusville | PA | — | ◇ UNVERIFIED |
| ULUnx-christeyns, LLC | Greenville | NC | — | ◇ UNVERIFIED |
| UAUS Army Pine Bluff Arsenal | Pine Bluff | AR | — | ◇ UNVERIFIED |
