| AMAccu-tronics Manufacturing INC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| ALA-chem LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| ACAcheson Colloids Company | Ontario | CA | — | ◇ UNVERIFIED |
| AIAcl INC | Chicago | IL | — | ◇ UNVERIFIED |
| ALAcmi LLC | Plainfield | NJ | — | ◇ UNVERIFIED |
| AIAc&s, Inc., Nitro | Nitro | WV | — | ◇ UNVERIFIED |
| ANActega North America | Charlotte | NC | — | ◇ UNVERIFIED |
| ANActega North America | Shrewsbury | MA | — | ◇ UNVERIFIED |
| ANActega North America | Fairfield | CA | — | ◇ UNVERIFIED |
| ANActega North America | Blue Ash | OH | — | ◇ UNVERIFIED |
| ANActega North America- Twin Lakes Facility | Charlotte | NC | — | ◇ 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 |
| ADAdm Development Products | Decatur | IL | — | ◇ UNVERIFIED |
| AGAdm Glycols | Decatur | IL | — | ◇ UNVERIFIED |
| ABAdvanced Biotech | Oneonta | NY | — | ◇ UNVERIFIED |
| ABAdvanced Biotech @ 85 5th Ave Complex | Paterson | NJ | — | ◇ UNVERIFIED |
| ACAdvanced Color Systems, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| AEAdvanced Environmental Options INC | Spartanburg | SC | — | ◇ UNVERIFIED |
| ACAdvancion Corporation - Sterlington Plant | Sterlington | LA | — | ◇ UNVERIFIED |
| AGAdvario Galveston County, LLC | Texas City | TX | — | ◇ UNVERIFIED |
| ALAdvenchen Laboratories LLC | Moorpark | CA | — | ◇ 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 |
| ACAffinity Chemical | Wrightstown | WI | — | ◇ UNVERIFIED |
| AEAffinity Energy Solutions INC. | Rosharon | TX | — | ◇ UNVERIFIED |
| AIAffymetrix, INC. | San Diego | CA | — | ◇ UNVERIFIED |
| ACAfton Chemical | Oakland | CA | — | ◇ UNVERIFIED |
| ACAfton Chemical Corporation Dba Costco | Simi Valley | CA | — | ◇ UNVERIFIED |
| ATAgilent Technologies, INC. | North Kingstown | RI | — | ◇ UNVERIFIED |
| AUAgrium U.s. INC. | Florence | AL | — | ◇ UNVERIFIED |
| AUAgrium US INC - Chesapeake Plant | Chesapeake | VA | — | ◇ UNVERIFIED |
| ATAig Technical Services | Redding | CA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc-j.p. Stevens Piedmont Site-remediation Project | Piedmont | SC | — | ◇ UNVERIFIED |
| APAir Products Manufacturing LLC | Paramount | CA | — | ◇ UNVERIFIED |
| AHAjinomoto Health & Nutrition North America, INC. | Eddyville | IA | — | ◇ UNVERIFIED |
| ACAkcros Chemicals INC | New Brunswick | NJ | — | ◇ UNVERIFIED |
| ANAkzo Nobel Surface Chemistry LLC | Salisbury | NC | — | ◇ UNVERIFIED |
| ANAkzo Nobel Surface Chemistry LLC | Mccook | IL | — | ◇ UNVERIFIED |
| ATAlbany Terminal | Albany | NY | — | ◇ UNVERIFIED |
 Alchem Laboratories Corporation | Alachua | FL | — | ◇ UNVERIFIED |
| AMAlcoa Micromill | Sparks | NV | — | ◇ UNVERIFIED |
| ACAldrich Chemical CO INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| ACAldrich Chemical CO INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| AIAlexium INC | Duncan | SC | — | ◇ UNVERIFIED |
| APAli Pharmaceutical Mfg LLC | Omaha | NE | — | ◇ UNVERIFIED |
| AUAllied Universal CORP | Ranger | GA | — | ◇ UNVERIFIED |
| AUAllied Universal Corporation | Fort Pierce | FL | — | ◇ UNVERIFIED |
| AIAllnex INC | North Augusta | SC | — | ◇ UNVERIFIED |
| AUAllnex Usa, INC. | Smyrna | GA | — | ◇ UNVERIFIED |
| ALAlmatis Leetsdale Fac | Leetsdale | PA | — | ◇ UNVERIFIED |
| AMAlpont Methanol | Oregon | OH | — | ◇ UNVERIFIED |
| AHAltivia Haden Road Complex | Houston | TX | — | ◇ UNVERIFIED |
| ALAlyeschem, LLC / Alyeschem Methanol Plant | North Slope Borough | AK | — | ◇ UNVERIFIED |
| ALAlzchem LLC | Fresno | CA | — | ◇ UNVERIFIED |
| ACAmerchol CORP | Greensburg | LA | — | ◇ UNVERIFIED |
| AAAmerican Acryl | Pasadena | TX | — | ◇ UNVERIFIED |
 American Aerogel Corporation | Rochester | NY | — | ◇ UNVERIFIED |
 American Battery Technology CO - Lithium-ion Battery Recycling Pilot Plant | Fernley | NV | — | ◇ UNVERIFIED |
| ABAmerican Biodiesel INC Dba Community Fuels | Stockton | CA | — | ◇ UNVERIFIED |
| ACAmerican Carbonyl LLC | Huntsville | AL | — | ◇ UNVERIFIED |
| ACAmerican Centrifuge Plant | Piketon | OH | — | ◇ UNVERIFIED |
| ACAmerican Chrome & Chemicals | Corpus Christi | TX | — | ◇ UNVERIFIED |
| ACAmerican Contract Systems, INC. | Temple Terrace | FL | — | ◇ UNVERIFIED |
| AFAmerican Future Fuels Facility | Lima | OH | — | ◇ UNVERIFIED |
| AIAmerican Inks & Coatings | Richmond | VA | — | ◇ UNVERIFIED |
| AIAmerican Inks & Coatings/valley Forge | Valley Forge | PA | — | ◇ UNVERIFIED |
| ARAmerican River Nutrition LLC | Hadley | MA | — | ◇ UNVERIFIED |
| AWAmerican Warehouses, LTD. | Houston | TX | — | ◇ UNVERIFIED |
| AZAmerican Zinc, LLC | Salem | OH | — | ◇ UNVERIFIED |
| AZAmerican Zinc, LLC | Warren | OH | — | ◇ UNVERIFIED |
| AAminoacids.com | Roseville | MN | — | ◇ UNVERIFIED |
| APAmmonium Phosphate Fertilizer Spill on Hwy 90 | Moses Lake | WA | — | ◇ UNVERIFIED |
| AUAms-osram USA INC. | Hillsboro | OR | — | ◇ UNVERIFIED |
| ASAngers & Salinas Forwarding | Laredo | TX | — | ◇ UNVERIFIED |
| AHAni Holding LLC | Vacaville | CA | — | ◇ UNVERIFIED |
| AIAnm, INC | Medford | OR | — | ◇ UNVERIFIED |
| AJAntonio Joseph Rea Dba Minuteman Press | Pleasant Hill | CA | — | ◇ UNVERIFIED |
| AMApex Metal Finishing-apex Metal Finishing | Saint Louis | MO | — | ◇ UNVERIFIED |
| AIApollo Industries INC | Smyrna | GA | — | ◇ UNVERIFIED |
 Applied Biosystems INC | Foster City | CA | — | ◇ UNVERIFIED |
| Applied Biosystems, LLC | Foster City | CA | — | ◇ UNVERIFIED |
| ASApplied Silicone Corportation | Santa Paula | CA | — | ◇ UNVERIFIED |
| AWAptus (merged W/1250047) | Coffeyville | KS | — | ◇ UNVERIFIED |
| ACAqua Concepts INC. Dba Ag Water Chemical | La Grange | CA | — | ◇ UNVERIFIED |
| APAquapharm Pchem | Latexo | TX | — | ◇ UNVERIFIED |
| ASAquapuck Storage | Las Vegas | NV | — | ◇ UNVERIFIED |
| ASAqua Smart INC | Atlanta | GA | — | ◇ UNVERIFIED |
| ACAquasol Corporation | Rock Hill | SC | — | ◇ UNVERIFIED |
| ASAqua Solutions | Deer Park | TX | — | ◇ UNVERIFIED |
| ATAqua Tech Services, INC. | Albuquerque | NM | — | ◇ UNVERIFIED |
| ATAqua Tri | Ontario | CA | — | ◇ UNVERIFIED |
| ATAqua Tri | Fontana | CA | — | ◇ UNVERIFIED |
| ABArcanum Baytown Site | Baytown | TX | — | ◇ UNVERIFIED |
| AGArcar Graphics LLC | West Chicago | IL | — | ◇ UNVERIFIED |
| ACArch Chemicals CORP - Lake Charles Plant | Westlake | LA | — | ◇ UNVERIFIED |
| ACArch Chemicals INC | Rochester | NY | — | ◇ UNVERIFIED |
