| ALAmerican Limestone Co-neyland | Knoxville | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AMAmerican Metal Treating INC | High Point | NC | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| ANAmerican Ntn Bearing Mfg CORP | Schiller Park | IL | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| APAmerican Packaging CORP | Columbus | WI | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| APAmerican Phoenix INC | Eau Claire | WI | Plastics and Rubber Products Manufacturing326210 | — | ◇ UNVERIFIED |
| APAmerican Phoenix INC | Topeka | KS | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| APAmerican Plant Food | Galena Park | TX | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ARAmerican Railcar Industries | Jackson | MO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ARAmerican Railcar Industries | Kennett | MO | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| ARAmerican Regent INC | Hilliard | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ARAmerican Renolit CORP | Commerce | CA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| ASAmerican Seating Company | Grand Rapids | MI | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| ASAmerican Showa INC Blanchester Plant | Blanchester | OH | Transportation Equipment Manufacturing336322 | — | ◇ UNVERIFIED |
| ASAmerican Snuff CO. - Memphis Plant | Memphis | TN | Beverage and Tobacco Product Manufacturing312230 | — | ◇ UNVERIFIED |
| ASAmerican Spincast INC (dba Amstock Supply) | Belton | TX | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
 American Tank & Vessel INC | Lucedale | MS | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| ATAmerican Timber and Steel | Norwalk | OH | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| AWAmerican Welding & Tank LLC | West Jordan | UT | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
 American Wire & Cable CO. | Olmsted Falls | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ASAmericas Styrenics Allyns Point Plant | Gales Ferry | CT | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ACAmerich CORP | North Hollywood | CA | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| AIAmerichem INC Scp | Cuyahoga Falls | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| ASAmerichem Sales CORP | Mason | MI | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| ARAmericrete Ready-mix Plant 61 | Meridian | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AGAmes Goldsmith CORP | Glens Falls | NY | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| ATAmes True Temper INC | Camp Hill | PA | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| AIAmetek INC | Rochester | NY | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| ATAmg Titanium LLC | New Castle | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| AEAmistad Environmental | Sugar Land | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ACAmitron CORP | Elk Grove Village | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| ACAmorim Cork Composites-gs090 | Trevor | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| ACAmpacet CORP - Plastic Processing Plant | Deridder | LA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AIAmpel INC | Elk Grove Village | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| ABAmpi Blair Cheese Plant | Blair | WI | Food Manufacturing311510 | — | ◇ UNVERIFIED |
| ANAmpi New Ulm Butter Plant | New Ulm | MN | Food Manufacturing311512 | — | ◇ UNVERIFIED |
| ACAmrod CORP | Newark | NJ | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| ACAmron CORP. | Waukesha | WI | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| ASAm Stabilizers | Valparaiso | IN | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| AIAmtrol, INC. | West Warwick | RI | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| ACAmvac Chemical | Marsing | ID | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| AEAmway Extraction and Concentration Facility | Quincy | WA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
 Amz Manufacturing | York | PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ADAnalog Devices, INC | Milpitas | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| ADAnalog Devices Manufacturing | Wilmington | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| AMAnaren Microwave INC | E Syracuse | NY | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| ABAnchor Block CO - South Plant | Shakopee | MN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| ACAnchor Concrete Prods. | Lyndhurst | NJ | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| ACAnchor Coupling INC | Menominee | MI | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| ADAnchor Die Cast | Harrison | AR | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| AGAnchor Glass Container CORP | Elmira Heights | NY | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
