| AAfco | Stanton | CA | — | ◇ UNVERIFIED |
| AEAffinity Energy Solutions INC. | Rosharon | TX | — | ◇ UNVERIFIED |
| ALAfgo Laboratories INC | Denver | CO | — | ◇ UNVERIFIED |
| ACAfton Chemical Corporation Dba Costco | Simi Valley | CA | — | ◇ UNVERIFIED |
| APAg Processing INC | David City | NE | — | ◇ UNVERIFIED |
| APAg Processing INC | David City | NE | — | ◇ UNVERIFIED |
| APAg Processing, INC - Sheldon | Sheldon | IA | — | ◇ UNVERIFIED |
| APAg Processing INC St. Joseph - Lower Lake Road | Saint Joseph | MO | — | ◇ UNVERIFIED |
| ALAgropharma Laboratories INC | Salinas | PR | — | ◇ 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 |
| ALAkla LLC | Jamison | PA | — | ◇ UNVERIFIED |
| ANAkzo Nobel Surface Chemistry LLC | Mccook | IL | — | ◇ UNVERIFIED |
| ANAkzo Nobel Surface Chemistry LLC | Salisbury | NC | — | ◇ UNVERIFIED |
| ACAlberto Culver | Melrose Park | IL | — | ◇ UNVERIFIED |
 Alchem Laboratories Corporation | Alachua | FL | — | ◇ UNVERIFIED |
| ACAldrich Chemical CO INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| ACAldrich Chemical CO INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| ACAlex C. Fergusson, LLC | Tar Heel | NC | — | ◇ UNVERIFIED |
| AGAlex G Carlson | Gully | MN | — | ◇ UNVERIFIED |
| AIAlexium INC | Duncan | SC | — | ◇ UNVERIFIED |
| APAli Pharmaceutical Mfg LLC | Omaha | NE | — | ◇ UNVERIFIED |
| ABAll - Brite Sales CO INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| AUAllied Universal Corporation | Fort Pierce | FL | — | ◇ UNVERIFIED |
| AIAllnex INC | North Augusta | SC | — | ◇ UNVERIFIED |
| AOAll One God Fatih INC Dba Dr Bronner's | Vista | CA | — | ◇ UNVERIFIED |
| APAll Pro Facility Supplies | South San Francisco | CA | — | ◇ UNVERIFIED |
| ATAloha Tofu Factory INC | Honolulu | HI | — | ◇ UNVERIFIED |
| ASAlpak Soap INC. | Amityville | NY | — | ◇ UNVERIFIED |
| ACAlpha Chemical Services, INC. | Stoughton | MA | — | ◇ UNVERIFIED |
| AMAlpont Methanol | Oregon | OH | — | ◇ UNVERIFIED |
| ALAlyeschem, LLC / Alyeschem Methanol Plant | North Slope Borough | AK | — | ◇ UNVERIFIED |
| ALAlzchem LLC | Fresno | CA | — | ◇ UNVERIFIED |
| AMA & M Cleaning Prods INC | Central | SC | — | ◇ UNVERIFIED |
| ACAmerchol CORP | Greensburg | LA | — | ◇ UNVERIFIED |
| AAAmerican Acryl | Pasadena | TX | — | ◇ UNVERIFIED |
 American Aerogel Corporation | Rochester | NY | — | ◇ UNVERIFIED |
| ABAmerican Blending Company INC | Norwalk | CA | — | ◇ UNVERIFIED |
| ACAmerican Contract Systems, INC. | Temple Terrace | FL | — | ◇ UNVERIFIED |
| AFAmerican Future Fuels Facility | Lima | OH | — | ◇ UNVERIFIED |
| APAmerican Petroleum | Detroit | MI | — | ◇ UNVERIFIED |
| ARAmerican River Nutrition LLC | Hadley | MA | — | ◇ UNVERIFIED |
| AWAmerican Warehouses, LTD. | Houston | TX | — | ◇ UNVERIFIED |
| ABAmherst BCS, LLC | Amherst | NY | — | ◇ UNVERIFIED |
| AAminoacids.com | Roseville | MN | — | ◇ UNVERIFIED |
| AMAmpion Mfg & Tempco Chem CORP Formerly | Long Island City | NY | — | ◇ UNVERIFIED |
| ACAmway Corporaton | Ada | MI | — | ◇ UNVERIFIED |
