| TOTidelands Oil Production Company | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company Etal | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company Etal | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company, Etal | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/north Area | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/parcel a | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier a West | Wilmington | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier C | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier G Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier J Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier S East | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/reef Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/standard Lea | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/west Dow | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/w Wells Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/yard Prod Ya | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/z1 Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production/pier E Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTmb Oil CO INC #1 | Anaheim | CA | — | ◇ UNVERIFIED |
| TOTmb Oil CO INC #2 | Anaheim | CA | — | ◇ UNVERIFIED |
| TRTorrance Refining Company LLC | Torrance | CA | — | ◇ UNVERIFIED |
| TRTosco Refining Company | Carson | CA | — | ◇ UNVERIFIED |
| TRTosco Refining Company | Wilmington | CA | — | ◇ UNVERIFIED |
| TSTotal Safety | Port Arthur | TX | — | ◇ UNVERIFIED |
| TPTpi Petroleum Incorporated | Alma | MI | — | ◇ UNVERIFIED |
| TRTricor Refining LLC | Bakersfield | CA | — | ◇ UNVERIFIED |
| TSTri Sect Corporation | Schaumburg | IL | — | ◇ UNVERIFIED |
| TWTrison Wells, LLC | Walterboro | SC | — | ◇ UNVERIFIED |
| TCTucker's Cleaners | Dallas | TX | — | ◇ UNVERIFIED |
| TITurner Industries Group, L.l.c. | Baton Rouge | LA | — | ◇ UNVERIFIED |
 U-2 Clean Products, LLC | Stockbridge | GA | — | ◇ UNVERIFIED |
| UAUintah Advantage, Llc- Petroleum Processing Plant | Uintah County | UT | — | ◇ UNVERIFIED |
| UIUltramar INC | Wilmington | CA | — | ◇ UNVERIFIED |
| UMUmi Metalfab | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| UCUnelko Corporation | Phoenix | AZ | — | ◇ UNVERIFIED |
| UCUnion Carbide | Penuelas | PR | — | ◇ UNVERIFIED |
| UOUnion Oil CO of Cal | Los Angeles | CA | — | ◇ UNVERIFIED |
| UMUnique Machine Main Plant | Anchorage | AK | — | ◇ UNVERIFIED |
| URUnited R.t.m., INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| USUnited Stated Postal Service | San Mateo | CA | — | ◇ UNVERIFIED |
| USUnites States Coastguard Ca | San Pedro | CA | — | ◇ UNVERIFIED |
| UUnocal | Saugus | CA | — | ◇ UNVERIFIED |
| URUnocal Retort | Unk | CO | — | ◇ UNVERIFIED |
| UPUSA Packaging Division of Nch | Irving | TX | — | ◇ UNVERIFIED |
| UOUS Oil and Refining CO Marine Terminal | Tacoma | WA | — | ◇ UNVERIFIED |
| UPUS Postal Service | Portland | OR | — | ◇ UNVERIFIED |
| UTUS Technology Recycling CORP | Canton | OH | — | ◇ UNVERIFIED |
| VAValero Arkansas City Terminal | Arkansas City | KS | — | ◇ UNVERIFIED |
| VBValero Benicia Asphalt Plant | Benicia | CA | — | ◇ UNVERIFIED |
| VCValero Corner Store 2351 | Sweeny | TX | — | ◇ UNVERIFIED |
| VMValero Marketing and Supply Company | Meraux | LA | — | ◇ UNVERIFIED |
| VOValero Olympic Tank Farm | Wilmington | CA | — | ◇ UNVERIFIED |
| VPValero Partners Three Rivers | Three Rivers | TX | — | ◇ UNVERIFIED |
| VRValero Refinery Three Rivers | Three Rivers | TX | — | ◇ UNVERIFIED |
| VRValero Refining Company | Benicia | CA | — | ◇ UNVERIFIED |
| VTValero Texas City Refinery Fire | Texas City | TX | — | ◇ UNVERIFIED |
| VTVapor Technologies INC | Boulder | CO | — | ◇ UNVERIFIED |
| VIVenta INC | Broomfield | CO | — | ◇ UNVERIFIED |
| VRVentura Refining and Transmission, LLC / Thomas Rfnry | Thomas | OK | — | ◇ UNVERIFIED |
| VLVenus Labs INC | Opa Locka | FL | — | ◇ UNVERIFIED |
| VWVeolia Water North America Operating Services, LLC | Corpus Christi | TX | — | ◇ UNVERIFIED |
| VOVertex Oil Swap (vrtxsw) - Marrero Terminal | Marrero | LA | — | ◇ UNVERIFIED |
| VPVicksburg Petroleum Products LLC | Vicksburg | MS | — | ◇ UNVERIFIED |
| VPVictorville - Police Department | Victorville | CA | — | ◇ UNVERIFIED |
| VEVillage Electric Plant | Merrillan | WI | — | ◇ UNVERIFIED |
| VTVopak Terminal Perth Amboy | Perth Amboy | NJ | — | ◇ UNVERIFIED |
| VAVulcan Asphalt Company | Cordova | AL | — | ◇ UNVERIFIED |
| WLW2fuel LLC | Keokuk | IA | — | ◇ UNVERIFIED |
| WTWa317935129 - Tesoro Refining & Marketing Company LLC | Anacortes | WA | — | ◇ UNVERIFIED |
| WBWa317935426 - B P West Coast Products LLC | Blaine | WA | — | ◇ UNVERIFIED |
| WTWa317936423 - Tesoro Refining & Marketing Company LLC | Anacortes | WA | — | ◇ UNVERIFIED |
| WSWa317938698 - S&s Petroleum INC | Yakima | WA | — | ◇ UNVERIFIED |
| WBWa317950185 - Bp West Coast Products LLC | Bellevue | WA | — | ◇ UNVERIFIED |
| W2Waste 2 Energy Env. | Casa Grande | AZ | — | ◇ UNVERIFIED |
| WCWesmar Company Site | Seattle | WA | — | ◇ UNVERIFIED |
| WRWestern Refinery | Jamestown | NM | — | ◇ UNVERIFIED |
| WRWestern Refining - Gallup Refinery | Gallup | NM | — | ◇ UNVERIFIED |
| WRWestern Refining Terminals LLC - Cottage Grove | Cottage Grove | MN | — | ◇ UNVERIFIED |
| WSWestern Slope Refining CO | Fruita | CO | — | ◇ UNVERIFIED |
| WVWest Valley Sanitation District of Santa Clara County | Campbell | CA | — | ◇ UNVERIFIED |
| WGW G Tomko INC | Finleyville | PA | — | ◇ UNVERIFIED |
| WCWhitehead Construction Asphalt Plant | Pascagoula | MS | — | ◇ UNVERIFIED |
| WCWhitehead Construction Company Inc, Whitehead Asphalt Plant | Pascagoula | MS | — | ◇ UNVERIFIED |
| WGWhyte Gate INC | Round Lake | IL | — | ◇ UNVERIFIED |
| WRWilco Refining LLC | Albany | KY | — | ◇ UNVERIFIED |
| WEWincup El Campo | El Campo | TX | — | ◇ UNVERIFIED |
| WFWingate Fractionator | Rehoboth | NM | — | ◇ UNVERIFIED |
| WIWolco, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| WIWolf Industries Inc | Buffalo | MN | — | ◇ UNVERIFIED |
| WCWonder Chemical CORP | Fairless Hills | PA | — | ◇ UNVERIFIED |
| WCWonder Cleaning Products LLC | Monroe Township | NJ | — | ◇ UNVERIFIED |
| WEWorld Energy Elk Grove LLC | Elk Grove | CA | — | ◇ UNVERIFIED |
| WLWorld Laboratories, LTD | Sun Valley | CA | — | ◇ UNVERIFIED |
| WOWorld Oil CO #2 | Los Angeles | CA | — | ◇ UNVERIFIED |
| WOWorld Oil Company #68 | Huntington Beach | CA | — | ◇ UNVERIFIED |
| WOWorld Oil CORP | Bakersfield | CA | — | ◇ UNVERIFIED |
| WOWorld Oil Co, Ss# 17 | Los Angeles | CA | — | ◇ UNVERIFIED |
| WOWorld Oil CO Ss# 63 | Los Angeles | CA | — | ◇ UNVERIFIED |
| WOWorld Oil Marketing CO #1 | Los Angeles | CA | — | ◇ UNVERIFIED |
| WOWorld Oil Marketing CO #106 | Rancho Mirage | CA | — | ◇ UNVERIFIED |
