280 Earth, INC. | Palo Alto | CA | Chemical Manufacturing325998 | 1-19 | ● ACTIVE |
| 3C3m Chemical Operations' Decatur Facility | Decatur | AL | Chemical Manufacturing325211 | 500+ | ● ACTIVE |
| 3C3m CO - Springfield Facility | Springfield | MO | Chemical Manufacturing325520 | 100-499 | ● ACTIVE |
| 3S3v Sigma USA INC. | Georgetown | SC | Chemical Manufacturing325199 | 100-499 | ● ACTIVE |
Aalto Scientific, LTD. | Eatonton | GA | Chemical Manufacturing325413 | 20-99 | ● ACTIVE |
Abbott Molecular INC. | Des Plaines | IL | Chemical Manufacturing325413 | — | ● ACTIVE |
| AEAberdeen Energy LLC | Mina | SD | Beverage and Tobacco Product Manufacturing312140 | 20-99 | ● ACTIVE |
Ab Specialty Silicones, LLC | Waukegan | IL | Chemical Manufacturing325199 | 20-99 | ● ACTIVE |
Access Bio, INC. | Monroe Township | NJ | Chemical Manufacturing325413 | 20-99 | ● ACTIVE |
Accupac, LLC | Mainland | PA | Chemical Manufacturing325412 | — | ● ACTIVE |
Acon Laboratories, INC. | San Diego | CA | Chemical Manufacturing325413 | — | ● ACTIVE |
Acrotech, INC. | Lake City | MN | Chemical Manufacturing325211 | 20-99 | ● ACTIVE |
| ATAcs Technical Products, INC. | Griffith | IN | Chemical Manufacturing325191 | 20-99 | ● ACTIVE |
| APAcupac Packaging INC | Mahwah | NJ | Chemical Manufacturing325611 | 100-499 | ● ACTIVE |
Advanced Powder Products, INC. | Philipsburg | PA | Chemical Manufacturing325998 | 100-499 | ● ACTIVE |
Aero Structures Long Island, INC. | Westbury | NY | Chemical Manufacturing325413 | 20-99 | ● ACTIVE |
| ACAfton Chemical Corporation | Sauget | IL | Petroleum and Coal Products Manufacturing324191 | 100-499 | ● ACTIVE |
| ACAfton Chemical Corporation | Pasadena | TX | Petroleum and Coal Products Manufacturing324191 | 100-499 | ● ACTIVE |
| AIAgrochem, INC | Saratoga Springs | NY | Chemical Manufacturing325320 | 20-99 | ● ACTIVE |
| APAir Products Port Arthur | Port Arthur | TX | Petroleum and Coal Products Manufacturing324110 | 20-99 | ● ACTIVE |
| ACAisin Chemical Indiana LLC | Crothersville | IN | Chemical Manufacturing325998 | 20-99 | ● ACTIVE |
Akron Paint & Varnish INC | Akron | OH | Chemical Manufacturing325510 | 100-499 | ● ACTIVE |
| ABAlberdingk Boley INC | Greensboro | NC | Chemical Manufacturing325211 | 20-99 | ● ACTIVE |
| ACAl-corn Clean Fuel | Claremont | MN | Chemical Manufacturing325193 | — | ● ACTIVE |
Alcor Scientific LLC | Smithfield | RI | Chemical Manufacturing325413 | — | ● ACTIVE |
Allblack Co., INC. | Whittier | CA | Chemical Manufacturing325510 | 20-99 | ● ACTIVE |
| AUAllnex USA INC | Belmont | WV | Chemical Manufacturing325110 | 20-99 | ● ACTIVE |
| AUAllnex USA INC. | Louisville | KY | Chemical Manufacturing325211 | 20-99 | ● ACTIVE |
| APAlmond Products INC | Spring Lake | MI | Chemical Manufacturing325510 | 100-499 | ● ACTIVE |
| APAlpek Polyester Usa, LLC Columbia Site | Gaston | SC | Chemical Manufacturing325110 | 100-499 | ● ACTIVE |
| APAlto Pekin LLC | Pekin | IL | Food Manufacturing311221 | 100-499 | ● ACTIVE |
Amano Pioneer Eclipse CORP | Sparta | NC | Chemical Manufacturing325611 | 100-499 | ● ACTIVE |
Amerasia International Technology INC | Princeton Junction | NJ | Chemical Manufacturing325520 | 20-99 | ● ACTIVE |
| ACAmerican Colors, INC. | Gallatin | TN | Chemical Manufacturing325131 | 20-99 | ● ACTIVE |
| ADAmerican Distillation INC | Leland | NC | Chemical Manufacturing325199 | 20-99 | ● ACTIVE |
American Gas & Chemical CO LTD | Northvale | NJ | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
| ALAmerican Laboratories, LLC | Omaha | NE | Food Manufacturing311612 | 1-19 | ● ACTIVE |
American Pacific Corporation | Cedar City | UT | Chemical Manufacturing325180 | — | ● ACTIVE |
| APAmerican Phoenix INC | Danville | VA | Chemical Manufacturing325998 | 20-99 | ● ACTIVE |
American Polymers CORP. | Santa Fe Springs | CA | Chemical Manufacturing325510 | — | ● ACTIVE |
| APAmerican Polywater CORP | Stillwater | MN | Chemical Manufacturing325199 | 20-99 | ● ACTIVE |
| AAAmes Advanced Materials | South Plainfield | NJ | Chemical Manufacturing325180 | 100-499 | ● ACTIVE |
Analytichem Usa, INC. | Winslow | ME | Chemical Manufacturing325414 | 20-99 | ● ACTIVE |
| APAnatrace Products, LLC | Maumee | OH | Chemical Manufacturing325998 | — | ● ACTIVE |
| ADAnderson Development Company | Adrian | MI | Chemical Manufacturing325110 | 100-499 | ● ACTIVE |
Andpak, INC | Morgan Hill | CA | Beverage and Tobacco Product Manufacturing312230 | — | ● ACTIVE |
| ATAnika Therapeutics | Bedford | MA | Chemical Manufacturing325411 | — | ● ACTIVE |
Antibodies Incorporated | Davis | CA | Chemical Manufacturing325412 | — | ● ACTIVE |
A-ox Welding Supply, LLC | Sioux Falls | SD | Chemical Manufacturing325120 | — | ● ACTIVE |
Apl Engineered Materials, INC | Urbana | IL | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |