| URUnited Refining Company | Warren | PA | 500+ | ◐ LIKELY ACTIVE |
| UAUSA Absorbents, INC. | San Antonio | TX | — | ◐ LIKELY ACTIVE |
| UPUSA Packaging | Irving | TX | 1–19 | ◐ LIKELY ACTIVE |
| VAValero Ardmore Refinery | Ardmore | OK | 100–499 | ◐ LIKELY ACTIVE |
| VRValero Refining Company - Tennessee, LLC | Memphis | TN | 100–499 | ◐ LIKELY ACTIVE |
| VTValero Three Rivers Refinery | Three Rivers | TX | 100–499 | ◐ LIKELY ACTIVE |
| VRVertex Refining Alabama LLC | Houston | TX | — | ◐ LIKELY ACTIVE |
| WWaxdale | Sturtevant | WI | 500+ | ◐ LIKELY ACTIVE |
| WAWest Agro | Des Plaines | IL | 20–99 | ◐ LIKELY ACTIVE |
| WFWhite Falcon Transport LLC | Okanogan | WA | — | ◐ LIKELY ACTIVE |
| CICleanboss, INC | Albany | NY | — | ◐ LIKELY ACTIVE |
| CGConstantine Global LLC | Powder Springs | GA | — | ◐ LIKELY ACTIVE |
| MFMarchi Family Enterprises LLC | Bozeman | MT | — | ◐ LIKELY ACTIVE |
| UIUvsheltron INC | Pontiac | MI | — | ◐ LIKELY ACTIVE |
| WCWester Consulting Group L.l.c | San Juan | PR | — | ◐ LIKELY ACTIVE |
| CCCresset Chemical CO | Weston | OH | — | ◇ UNVERIFIED |
| 1M1.00 Most Garment Cleaners | West Covina | CA | — | ◇ UNVERIFIED |
| 1P12 Plant Area Cleanup | Marcus Hook | PA | — | ◇ UNVERIFIED |
| 2120 10 Products Incorporated | Salem | OR | — | ◇ UNVERIFIED |
| 2I21 Industrial Nj Holdings LLC | Old Bridge | NJ | — | ◇ UNVERIFIED |
| 3I3045 Industry LLC | Oceanside | CA | — | ◇ UNVERIFIED |
| 3C3d Car Care Warehouse & Training | Stuart | FL | — | ◇ UNVERIFIED |
| ALAbf Laboratories | Waukegan | IL | — | ◇ UNVERIFIED |
| ARAction Real Estate Investment LLC | Centerville | UT | — | ◇ UNVERIFIED |
| ASAevitas Specialty Services CORP | Redford | MI | — | ◇ UNVERIFIED |
| AAggpro | Anchorage | AK | — | ◇ UNVERIFIED |
| ALAggreko, LLC | Texas City | TX | — | ◇ UNVERIFIED |
 Agritec International Ltd. | Casa Grande | AZ | — | ◇ UNVERIFIED |
| ALAir Liquid Large Industries Us, LP | El Segundo | CA | — | ◇ UNVERIFIED |
| AOAkm Oil Co., INC. | Pacoima | CA | — | ◇ UNVERIFIED |
| ADAlden Div of Mrc | West Springfield | MA | — | ◇ UNVERIFIED |
| AMAllied Materials - Stroud Facility | Stroud | OK | — | ◇ UNVERIFIED |
| AAAlon Asphalt Company Richmond Beach Terminal | Seattle | WA | — | ◇ UNVERIFIED |
| ABAlon Bakersfield Refining | Bakersfield | CA | — | ◇ UNVERIFIED |
| ABAlon Bakersfield Refining - Area 3 | Bakersfield | CA | — | ◇ UNVERIFIED |
| ARAlon Refining Krotz Springs INC | Krotz Springs | LA | — | ◇ UNVERIFIED |
| AUAlon USA Refinery | Krotz Springs | LA | — | ◇ UNVERIFIED |
| APAltair Paramount, LLC | Paramount | CA | — | ◇ UNVERIFIED |
| AHAmerada Hess CORP | Port Reading | NJ | — | ◇ UNVERIFIED |
| ABAmerican Blending and Filling | Waukegan | IL | — | ◇ UNVERIFIED |
| APAmerica Portable Restrooms LLC | Watsonville | CA | — | ◇ UNVERIFIED |
| AWAnadarko Wattenberg Oil Complex LLC - 16-13-745-12 Receipt Point | Keenesburg | CO | — | ◇ UNVERIFIED |
| AAndeavor | Carson | CA | — | ◇ UNVERIFIED |
| ACArdsley Clnr Svc | Ardsley | PA | — | ◇ UNVERIFIED |
| AAArt and Craftsmen | Pacoima | CA | — | ◇ UNVERIFIED |
| APAscend Performance Materials | Alvin | TX | — | ◇ UNVERIFIED |
| ACAshland Chemical CO Drew Div | Kearny | NJ | — | ◇ UNVERIFIED |
| APAshland Petroleum Company | Saint Paul Park | MN | — | ◇ UNVERIFIED |
| ALAthea Labs, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| AIAtlantic Industrial Services INC | Chester | VA | — | ◇ UNVERIFIED |
| AAAts Asphalt Terminal LLC | Lexington | KY | — | ◇ UNVERIFIED |
| AFAunt Fannie, INC | Portland | OR | — | ◇ UNVERIFIED |
| ARAustin Research Laborator | Austin | TX | — | ◇ UNVERIFIED |
| ASAuto-chlor System of Oakland | Oakland | CA | — | ◇ UNVERIFIED |
| BDBadami Development Facility | Prudhoe Bay | AK | — | ◇ UNVERIFIED |
| BIBaf Industries | Santa Ana | CA | — | ◇ UNVERIFIED |
| BBBaron Blakeslee Site | Portland | OR | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Longmont | CO | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Boulder | CO | — | ◇ UNVERIFIED |
| BRBaton Rouge Junction Facility | Jackson | LA | — | ◇ UNVERIFIED |
| BPBayport Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| BCBayway Chemical Plant | Linden | NJ | — | ◇ UNVERIFIED |
| BCBellaire Custom Cabinets INC | N Hollywood | CA | — | ◇ UNVERIFIED |
| BCBerkshire Corporation | Great Barrington | MA | — | ◇ UNVERIFIED |
| BCBerkshire Corporation (formerly Disinfexol, Llc) | Rockville | MD | — | ◇ UNVERIFIED |
| BMBerkshire Management Incorporated | Cedar Hills | UT | — | ◇ UNVERIFIED |
| BPBerry Petroleum Company | Stephens | AR | — | ◇ UNVERIFIED |
| BOBerthoud Oil CO | Longmont | CO | — | ◇ UNVERIFIED |
| BOBeta Offshore | Long Beach | CA | — | ◇ UNVERIFIED |
| BPBhppari (bhp Petroleum) | Kapolei | HI | — | ◇ UNVERIFIED |
| BSBig Spring Booster Station | Big Spring | TX | — | ◇ UNVERIFIED |
| BIBio-lab INC | Fontana | CA | — | ◇ UNVERIFIED |
| BIBio-lab INC | Napa | CA | — | ◇ UNVERIFIED |
| BIBio-lab INC | San Jose | CA | — | ◇ UNVERIFIED |
| BIBio-lab INC | Livermore | CA | — | ◇ UNVERIFIED |
| BIBiolab INC | Ashley | IN | — | ◇ UNVERIFIED |
| BIBiolab, Inc, Llc, a Chemtura CO | Ashley | IN | — | ◇ UNVERIFIED |
| BIBio-safe Industries Inc.cn | Denver | CO | — | ◇ UNVERIFIED |
| BEBlacklidge Emulsions INC | Gulfport | MS | — | ◇ UNVERIFIED |
| BRBlanchard Refining Land Treatment Facility | Texas City | TX | — | ◇ UNVERIFIED |
| BLB Line Sales INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| BRBloomfield Refinery | Bloomfield | NM | — | ◇ UNVERIFIED |
| BDBlue Dolphin Energy Church Point Refinery | Church Point | LA | — | ◇ UNVERIFIED |
| BCBluff City Honda | Memphis | TN | — | ◇ UNVERIFIED |
| B4Boeing 400 Portable Hot Plant | Snowflake | AZ | — | ◇ UNVERIFIED |
| BVBoulder Valley Oil | Lafayette | CO | — | ◇ UNVERIFIED |
| BCBp Cherry Point Refinery Final Effluent Integrity Management Project - Phase 3 | Blaine | WA | — | ◇ UNVERIFIED |
| BPBp Products North America | Whiting | IN | — | ◇ UNVERIFIED |
| BPBp Products North America, INC. | Wood River | IL | — | ◇ UNVERIFIED |
| BWBp West Coast Prod.llc Bp Carson Ref. | Carson | CA | — | ◇ UNVERIFIED |
| BTBrandy & the Boys Dba Bio-one of Redlands | Riverside | CA | — | ◇ UNVERIFIED |
| BABrass Artcrafts Company | Annapolis | MD | — | ◇ UNVERIFIED |
| BCBrea Canon Oil CO | Wilmington | CA | — | ◇ UNVERIFIED |
| BCBrea Canon Oil Company INC | Harbor City | CA | — | ◇ UNVERIFIED |
| BABrent America Incorporated | La Mirada | CA | — | ◇ UNVERIFIED |
| BPBridge Point Long Beach LLC | Long Beach | CA | — | ◇ UNVERIFIED |
| BRBrighten Restaurant Service | San Francisco | CA | — | ◇ UNVERIFIED |
| BBrinderson | Carson | CA | — | ◇ UNVERIFIED |
| BLBrinderson, LP | Wilmington | CA | — | ◇ UNVERIFIED |
| BLBrinderson, LP | Carson | CA | — | ◇ UNVERIFIED |
