| AMAbb Motors and Mechanical INC | Columbus | MS | Primary Metal Manufacturing331522 | — | ◐ LIKELY ACTIVE |
| AAccellent | Salem | VA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ADAdalet Division of Scott Fetzer | Cleveland | OH | Primary Metal Manufacturing331313 | — | ◐ LIKELY ACTIVE |
Advance Bronze, INC. | Lodi | OH | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| ATAero Transportation Products INC Independence Plant | Independence | MO | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| ATAfl Telecommunications LLC | Duncan | SC | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| ATAfl Telecommunications LLC | Duncan | SC | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| ADAiro Die Casting INC | Loyalhanna | PA | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| AAAisin Automotive Casting Tennessee | Clinton | TN | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| ATAk Tube LLC | Columbus | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ACAlabama Copper & Bronze CO INC | Birmingham | AL | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| AFAlbco Foundry and Machine, INC. | Lisbon | OH | Primary Metal Manufacturing331523 | — | ◐ LIKELY ACTIVE |
| AAAlcan Aluminum CORP | Berea | KY | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| AIAlcoa INC - North Plant | Alcoa | TN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| AIAleris International INC | Richmond | VA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| ARAleris Rolled Products INC | Uhrichsville | OH | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| ALAllegheny Ludlum CORP | Vandergrift | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AMAllied Machinery - Richland LLC | Richland Center | WI | Primary Metal Manufacturing331510 | — | ◐ LIKELY ACTIVE |
| ATAllied Tube and Conduit | Merrillville | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ATAllied Tube & Conduit Corporation | Liberty | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ALAllvac - Lockport Plant | Lockport | NY | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| ARAllvac Richburg Plant | Richburg | SC | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| AIAlpha Investment Casting CORP / Alpha Investment Casting CORP | Tulsa | OK | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| AOAlpha Omega Recycling INC | Longview | TX | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| AAAlum Alloys Foundry | Sinking Spring | PA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| ASAmerican Spincast INC (dba Amstock Supply) | Belton | TX | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| ASAmerican Steel Foundries - Granite City | Granite City | IL | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| AWAmerican Welding & Tank LLC | West Jordan | UT | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| ACAmrod CORP | Newark | NJ | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| ADAnchor Die Cast | Harrison | AR | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| AIArcadia INC | Vernon | CA | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| ALArconic Lafayette LLC | Lafayette | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| AUArconic US LLC | Lancaster | PA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| AMArdagh Metal Packaging | Fairfield | CA | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| ARArk Ramos Foundry & Manufacturing CO INC | Oklahoma City | OK | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| ARArmsted Rail Company INC | Hammond | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| ACArntzen CORP | Rockford | IL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ACArntzen CORP | Woodstock | IL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| APAtek Precision Castings | New Hampton | IA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| APAtomized Products Group | Garland | TX | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| A9Atrium 930 Hensley Ln | Wylie | TX | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| AIAutocast INC | Grandville | MI | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| AIAzco INC | Neenah | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| BSBae Systems Land & Armaments LP | Anniston | AL | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| BBBahr Brothers Manufacturing, INC. | Marion | IN | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| BBBall Brass & Aluminum Foundry | Auburn | IN | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| BSBanker Steel - Orlando | Orlando | FL | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| BBBeckett Bronze CO. INC. | Muncie | IN | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| BCBekaert CORP | Van Buren | AR | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| BSBekaert Steel | Muskegon | MI | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |