| AIAllcast Incorporated | Allenton | WI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| MMMaass Midwest Manufacturing INC | Huntley | IL | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| NFNon Ferrous Cast Alloys INC | Muskegon | MI | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| WAWard Aluminum Casting, INC | Fort Wayne | IN | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| ADAdalet Division of Scott Fetzer | Cleveland | OH | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| ATAfl Telecommunications LLC | Duncan | SC | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| ATAfl Telecommunications LLC | Duncan | SC | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| ACAlabama Copper & Bronze CO INC | Birmingham | AL | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| AFAlbco Foundry and Machine, INC. | Lisbon | OH | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| ARAleris Rolled Products INC | Uhrichsville | OH | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| AMAllied Machinery - Richland LLC | Richland Center | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| AMAllied Metal CO | Chicago | IL | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| ATAllied Tube & Conduit Corporation | Liberty | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ALAllvac - Lockport Plant | Lockport | NY | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| ARAllvac Richburg Plant | Richburg | SC | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| AIAlpha Investment Casting CORP / Alpha Investment Casting CORP | Tulsa | OK | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| AOAlpha Omega Recycling INC | Longview | TX | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| ALAlutech LLC | Benton Harbor | MI | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| AFAmerican Foundry Group / American Alloy Ii | Muskogee | OK | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AFAmerican Foundry Group LLC - Bixby | Bixby | OK | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ASAmerican Spincast INC (dba Amstock Supply) | Belton | TX | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AWAmerican Welding & Tank LLC | West Jordan | UT | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ACAmrod CORP | Newark | NJ | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| ADAnchor Die Cast | Harrison | AR | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| ARArk Ramos Foundry & Manufacturing CO INC | Oklahoma City | OK | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| ACArntzen CORP | Woodstock | IL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ACArntzen CORP | Rockford | IL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| APAtek Precision Castings | New Hampton | IA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| APAtomized Products Group | Garland | TX | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| A9Atrium 930 Hensley Ln | Wylie | TX | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| AIAutocast INC | Grandville | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| AIAzco INC | Neenah | WI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BBBahr Brothers Manufacturing, INC. | Marion | IN | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BABall Advanced Aluminum Technologies CORP | Verona | VA | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| BBBall Brass & Aluminum Foundry | Auburn | IN | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| BSBanker Steel - Orlando | Orlando | FL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| BBBeckett Bronze CO. INC. | Muncie | IN | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| BABermco Aluminum | Birmingham | AL | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| BCBesser CO | Sioux City | IA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BQBesser Quinn Machine & Foundry | Boone | IA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BRBlue Ridge Pressure Castings | Lehighton | PA | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| BHBohn Hydro Aluminum | Holland | MI | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| BEBradken Engineered Products - Saint Joseph Facility | Atchison | KS | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| BTBrass Tech INC | Santa Ana | CA | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| BUBrawo USA | Laurens | SC | Primary Metal Manufacturing331421 | — | ◇ UNVERIFIED |
| BMBremer Manufacturing | Elkhart Lake | WI | Primary Metal Manufacturing331310 | — | ◇ UNVERIFIED |
| BMBuffalo Metal Casting | Buffalo | NY | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| BMBull Moose Tube CO - Masury Plant | Masury | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
 Bunting Bearings CORP | Portage | MI | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| BPBurnstein Precision Casting | Abbeville | SC | Primary Metal Manufacturing331423 | — | ◇ UNVERIFIED |
