| UCUnion Carbide Corp | South Charleston | WV | 100–499 | ◐ LIKELY ACTIVE |
| UCUnion Carbide Corp Tech Park | South Charleston | WV | 20–99 | ◐ LIKELY ACTIVE |
| UIUnited Initiators, Inc (Elyria, Oh) | Elyria | OH | 20–99 | ◐ LIKELY ACTIVE |
| URUnited Refining Company | Warren | PA | 500+ | ◐ LIKELY ACTIVE |
| ULUpshots LLC | Forsyth | GA | — | ◐ LIKELY ACTIVE |
| USUrethane Systems USA LLC | Perth Amboy | NJ | 20–99 | ◐ LIKELY ACTIVE |
| UMUS Methanol | Nitro | WV | 20–99 | ◐ LIKELY ACTIVE |
| VCValentra Chemicals LLC | Geismar | LA | 20–99 | ◐ LIKELY ACTIVE |
| VIValentra Industrial Products LLC | Baytown | TX | 1–19 | ◐ LIKELY ACTIVE |
| VIValentra Industrials LLC | Luling | LA | 1–19 | ◐ LIKELY ACTIVE |
| VAValero Ardmore Refinery | Ardmore | OK | 100–499 | ◐ LIKELY ACTIVE |
| VRValero Refining Company - Tennessee, LLC | Memphis | TN | 100–499 | ◐ LIKELY ACTIVE |
| VRValero Renewable Fuels | Fort Dodge | IA | 20–99 | ◐ LIKELY ACTIVE |
| VRValero Renewable Fuels Compan, LLC d/b/a Valero Mount Vernon Plant | Mount Vernon | IN | 20–99 | ◐ LIKELY ACTIVE |
| VRValero Renewable Fuels Company, LLC dba Valero Aurora Plant | Aurora | SD | 20–99 | ◐ LIKELY ACTIVE |
| VRValero Renewable Fuels Company, LLC (dba Valero Bluffton Plant) | Bluffton | IN | 20–99 | ◐ LIKELY ACTIVE |
| VRValero Renewable Fuels Company, LLC (dba Valero Linden Plant) | Linden | IN | 20–99 | ◐ LIKELY ACTIVE |
| VRValero Renewable Fuels Company, LLC dba Valero Welcome Plant | Welcome | MN | 20–99 | ◐ LIKELY ACTIVE |
| VRValero Renewables Fuels Company, LLC, Lakota Plant | Lakota | IA | 20–99 | ◐ LIKELY ACTIVE |
| VTValero Three Rivers Refinery | Three Rivers | TX | 100–499 | ◐ LIKELY ACTIVE |
| VSValtris Specialty Chemcials-- Delaware River | Bridgeport | NJ | 20–99 | ◐ LIKELY ACTIVE |
| VSValtris Specialty Chemcials-- Fort Worth | Forth Worth | TX | 20–99 | ◐ LIKELY ACTIVE |
| VSValtris Specialty Chemicals | Walton Hills | OH | 20–99 | ◐ LIKELY ACTIVE |
| VSValtrs Specialty Chemicals | Cleveland | OH | 20–99 | ◐ LIKELY ACTIVE |
| VVanceboro | Vanceboro | NC | 1–19 | ◐ LIKELY ACTIVE |
| VAVeltek Associates, Inc. - CW | Exton | PA | 20–99 | ◐ LIKELY ACTIVE |
| VFVencorex Freeport Site | Freeport | TX | 20–99 | ◐ LIKELY ACTIVE |
| VNVerbio - Nevada | Nevada | IA | 20–99 | ◐ LIKELY ACTIVE |
| VSVerdant Specialty Solutions | Palestine | TX | 20–99 | ◐ LIKELY ACTIVE |
| VRVertex Refining Alabama LLC | Houston | TX | — | ◐ LIKELY ACTIVE |
| VFVertiblue Fuels LLC | Palm Beach Gardens | FL | — | ◐ LIKELY ACTIVE |
| VVictoria | Victoria | TX | 500+ | ◐ LIKELY ACTIVE |
| VTVRC Technologies Inc | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| WLW2Fuel, LLC | Adrian | MI | 20–99 | ◐ LIKELY ACTIVE |
| WWWalla Walla Environmental, INC. | Walla Walla | WA | — | ◐ LIKELY ACTIVE |
| WLWellington Laboratories LLC | Merriam | KS | — | ◐ LIKELY ACTIVE |
| WEWhite Energy | Hereford | TX | 20–99 | ◐ LIKELY ACTIVE |
| WFWhite Falcon Transport LLC | Okanogan | WA | — | ◐ LIKELY ACTIVE |
| WWWIE Wall Lake | Wall Lake | IA | 20–99 | ◐ LIKELY ACTIVE |
| WCWiley Companies | Coshocton | OH | — | ◐ LIKELY ACTIVE |
| WCWiley Companies Coshocton | Coshocton | OH | 100–499 | ◐ LIKELY ACTIVE |
| WCWiley Companies New Albany | New Albany | OH | 1–19 | ◐ LIKELY ACTIVE |
| WEWorld Energy Harrisburg | Camp Hill | PA | 20–99 | ◐ LIKELY ACTIVE |
| XPXtatic Productions Limited | Denver | CO | — | ◐ LIKELY ACTIVE |
| ALAurorium LLC | Indianapolis | IN | — | ◐ LIKELY ACTIVE |
| BIBonumose, INC | Charlottesville | VA | — | ◐ LIKELY ACTIVE |
| CBC1 Bio, INC. | Allyn | WA | — | ◐ LIKELY ACTIVE |
| CGConstantine Global LLC | Powder Springs | GA | — | ◐ LIKELY ACTIVE |
| DCDiversified Chemical Technologies Operating Company | Detroit | MI | — | ◐ LIKELY ACTIVE |
| FEFon Energy, INC. | Baton Rouge | LA | — | ◐ LIKELY ACTIVE |
| GNGevo Net-zero 1, LLC | Englewood | CO | — | ◐ LIKELY ACTIVE |
| MFMarchi Family Enterprises LLC | Bozeman | MT | — | ◐ LIKELY ACTIVE |
| MIMatrixchem Inc, | South Londonderry | VT | — | ◐ LIKELY ACTIVE |
| MLMja Laboratory, INC. | Costa Mesa | CA | — | ◐ LIKELY ACTIVE |
| RORiverview Oil LLC | Somerset | WI | — | ◐ LIKELY ACTIVE |
| WCWester Consulting Group L.l.c | San Juan | PR | — | ◐ LIKELY ACTIVE |
| AUAmerican Ultra Specialties INC | Hudson | OH | — | ◇ UNVERIFIED |
Electro Spec INC | Franklin | IN | — | ◇ UNVERIFIED |
| LBLaysan Bio INC | Arab | AL | — | ◇ UNVERIFIED |
| NBNewport Biodiesel INC | Newport | RI | — | ◇ UNVERIFIED |
| NNutri-shield | Courtland | KS | — | ◇ UNVERIFIED |
| PSPrime Solutions | Granville | OH | — | ◇ UNVERIFIED |
| SOSpecialty Organics INC | Adelanto | CA | — | ◇ UNVERIFIED |
| 1W100 Waterfront Street | New Haven | CT | — | ◇ UNVERIFIED |
| 1P12 Plant Area Cleanup | Marcus Hook | PA | — | ◇ UNVERIFIED |
| 1N1320 Ninth Street | Berkeley | CA | — | ◇ UNVERIFIED |
| 1K135 Kent Llc-cleaners Sales & Equipment CORP Site Formerly-bcp #c224177 | Brooklyn | NY | — | ◇ UNVERIFIED |
| 2W2050 W 16th St | Long Beach | CA | — | ◇ UNVERIFIED |
| 3A3247 Am LLC | Needles | CA | — | ◇ UNVERIFIED |
| 3A35th Ave Site | Birmingham | AL | — | ◇ UNVERIFIED |
| 3C3f Chimica Americas INC | Charlotte | NC | — | ◇ UNVERIFIED |
| 6R600 Rhode Island Avenue C- Bryant Street Black 5 | Washington | DC | — | ◇ UNVERIFIED |
| ABA1 Biochem Labs | Wilmington | NC | — | ◇ UNVERIFIED |
| ABAbengoa Bioenergy Corporation Colwich Ethanol Plant | Colwich | KS | — | ◇ UNVERIFIED |
| ABAbengoa Bioenergy of Illinois, LLC | Madison | IL | — | ◇ UNVERIFIED |
| ABAbengoa Bioenergy of Nebraska | Ravenna | NE | — | ◇ UNVERIFIED |
| ATAbsorbent Technologies | Albany | OR | — | ◇ UNVERIFIED |
| AMAccu-tronics Manufacturing INC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| ALA-chem LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| AIAcl INC | Chicago | IL | — | ◇ UNVERIFIED |
| AIAc&s, Inc., Nitro | Nitro | WV | — | ◇ UNVERIFIED |
| AUAddivant Usa, LLC | Morgantown | WV | — | ◇ UNVERIFIED |
| ASAdhesive Systems INC a Division of Diversified Chemical Technology | Detroit | MI | — | ◇ UNVERIFIED |
| ABAditya Birla Chemicals (usa), INC. | Dalton | GA | — | ◇ UNVERIFIED |
| ACAdm Corn Processing | Walhalla | ND | — | ◇ UNVERIFIED |
| ADAdm Development Products | Decatur | IL | — | ◇ UNVERIFIED |
| AGAdm Glycols | Decatur | IL | — | ◇ UNVERIFIED |
| ABAdvanced Biocatalytics | Irvine | CA | — | ◇ UNVERIFIED |
| ABAdvanced Biotech | Oneonta | NY | — | ◇ UNVERIFIED |
| ABAdvanced Biotech @ 85 5th Ave Complex | Paterson | NJ | — | ◇ UNVERIFIED |
| AEAdvanced Environmental Options INC | Spartanburg | SC | — | ◇ UNVERIFIED |
| ARAdvanced Refining Concepts, LLC | Sparks | NV | — | ◇ UNVERIFIED |
| ACAdvancion Corporation - Sterlington Plant | Sterlington | LA | — | ◇ UNVERIFIED |
| AGAdvario Galveston County, LLC | Texas City | TX | — | ◇ UNVERIFIED |
| ALAdvenchen Laboratories LLC | Moorpark | CA | — | ◇ UNVERIFIED |
| AKAens Kankakee Plt | Kankakee | IL | — | ◇ UNVERIFIED |
| AIAequor INC | San Diego | CA | — | ◇ UNVERIFIED |
| AGAerojet General Corporation | Bakersfield | CA | — | ◇ UNVERIFIED |
| ADAes Drilling Fluids Clinton | Clinton | OK | — | ◇ UNVERIFIED |
| ADAes Drilling Fluids Pleasanton Warehouse | Pleasanton | TX | — | ◇ UNVERIFIED |