| ACAtchison County Agchoice Fairfax | Fairfax | MO | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ACAtchison County Agchoice Rock Port | Rock Port | MO | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| AIAtco International | Marietta | GA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| ALAthea Labs, INC. | Milwaukee | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| AMAthena Marble, INC. | Salisbury | NC | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ARAtlantic Recycling Technologies LLC | Lawrenceville | VA | Chemical Manufacturing325220 | — | ◇ UNVERIFIED |
| ARAtlantic Research Corporation | Kearneysville | WV | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| ALAtlantis Laboratories | Conroe | TX | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| AOAtlas Organics Indian River Composting | Vero Beach | FL | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ARAtlas Roofing CORP | Mesa | AZ | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| AMAtomized Materials CO INC | Mcdonald | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| AUAtotech USA | Baltimore | MD | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| ACAt&t CORP | Morrow | GA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| AFAttune Foods | Springfield | OR | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ACAugusta Cooperative Farm Bureau 1078 B Richmond Rd | Bedford | VA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ACAugusta Cooperative Farms Bureau 1205 B Richmond Rd | Staunton | VA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| AFAugusta Fiberglass - Longview | Maidsville | WV | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AAurohealth | Lawrenceville | NJ | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APAuromedics Pharma | Dayton | NJ | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AAAurora Agronomy | Seaford | DE | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ACAurora Co-op Elevator Company | Aurora | NE | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ACAurora Cooperative - Central City Nh3 Plant | Central City | NE | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| AMAurora Material Solutions | Evansville | IN | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| APAurora Plastics, INC. | Welcome | NC | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ALAurorium LLC | Delaware Water Gap | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
 Austin Powder CO | Wise | VA | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| Austin Powder Company | Lafollette | TN | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| APAustin Powder Midsouth LLC | Pegram | TN | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| APAustin Productions | Holbrook | NY | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| AAustinpx | Georgetown | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ASAustin Sales LLC | Grundy | VA | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| AUAustin Urethane INC. | Americus | GA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ACAuto Chlor System | Denver | CO | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| ASAuto-chlor Systems of Baltimore | Baltimore | MD | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| AAAutoliv Asp INC Oea Initiator Facility | Tremonton | UT | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| APAutomotive Products & Accessories INC Dba Line-x of Metairie | Kenner | LA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ATAutumn Tree, LLC | Prattville | AL | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| ARAventine Renewable Energy | Canton | IL | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| APAventis Pharmaceuticals Inc-hoechst Marion Roussel INC | Kansas City | MO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ADAvery Dennison | Rock Hill | SC | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| ABAvid Bioservices, INC | Tustin | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| AAAvient Advanced Dispersions | Massillon | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| ACAvient Corporation (dalton) | Dalton | GA | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| ACAvient Corporation (suwanee) | Suwanee | GA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| APAvista Pharma Solutions | Agawam | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APAvon Products INC | Suffern | NY | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| AFAvtex Fibers CO | Lewistown | PA | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| AFAvtex Fibers Superfund Site | Front Royal | VA | Chemical Manufacturing325220 | — | ◇ UNVERIFIED |
| ACAxalta Coating Systems LLC | Morton Grove | IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ACAxalta Coating Systems USA | Hilliard | OH | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
