| ATArjay Technologies | Largo | FL | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| ADArk. Dept. of Health | Little Rock | AR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ACArkema Coating Resins | Saukville | WI | Chemical Manufacturing325210 | — | ◇ UNVERIFIED |
| AIArkema INC | Lemont | IL | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AIArkema Inc-n Kansas City | North Kansas City | MO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ASArkema Site | Portland | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| APArmstrong Pharmaceuticals INC | Boston, City of | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AWArmstrong World Industries INC | Braintree | MA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| AArnco | South Gate | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| APArnet Pharmaceuticals | Davie | FL | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ACArol Chemical Products | Newark | NJ | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| ACArris Composites INC | Berkeley | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| APArr-maz Prods L P | Winter Haven | FL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| ASArrmaz Specialty Chemicals | Seabrook | SC | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| AEArrow Engineering | Dalton | GA | Chemical Manufacturing325613 | — | ◇ UNVERIFIED |
| AIArsynco INC | Carlstadt | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| AIArtisan Industries Incorporated | Waltham | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APArvesta Perry Plant | Perry | OH | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| AAAsahipen America INC | Seattle | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| AMA.s.a. Mfg., INC | Dunnellon | FL | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AGAsarco Globe Plant | Denver | CO | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| AGAsb Greenworld, INC. | Mattaponi | VA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ADAsc Dallas | Grand Prairie | TX | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| ASA Schulman INC | Stryker | OH | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ASA Schulman INC Specialty Compounding Div | Sharon Center | OH | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ANAscorium North America | Auburn Hills | MI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ACAshland Chemical CO | Colton | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ACAshland Chemical CO | Newark | CA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| ACAshland Chemical CO Drew Div | Kearny | NJ | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| ACAshland Chemical Company Drew Division | Kansas City | KS | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| ACAshland Chemical Company Greenville | Greenville | SC | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| AIAshland INC | Johnson Creek | WI | Chemical Manufacturing325210 | — | ◇ UNVERIFIED |
| AIAshland INC | Elkton | MD | Chemical Manufacturing325132 | — | ◇ UNVERIFIED |
| ASAsh Stevens LLC | Detroit | MI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ASA. Shulman Company - Closed | Nashville | TN | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ACAsk Chemicals LP | Cuyahoga Heights | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| AAAspen Aerogels INC | Northborough | MA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| AAAspen Api INC | Sioux City | IA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| APAssociated Paint, INC. | Medley | FL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ARAssociated Redi-mix | Joplin | MO | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| AOAssociates of Cape Cod INC | Falmouth | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APAstc Polymers INC | Santa Ana | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AAsteelflash | Morrisville | NC | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| ADAstral Diagnostics INC | West Deptford Twp | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| AAstrazeneca | Westborough | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APAstrazeneca Pharmaceuticals | Coppell | TX | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| APAstrazeneca Pharmaceuticals, Llc-newark | Newark | DE | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APAstrazeneca, Plp | Frederick | MD | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| AAsuragen | Austin | TX | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| AAAsv Az Operating INC. | Chandler | AZ | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |