| CECrown Extrusions - Norex | Chaska | MN | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
Currier Certified Welding, INC. | Kalispell | MT | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| DSDycast Specialties | Starbuck | MN | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| EMEngineered Manufacturing & Equipment Company | Marysville | OH | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| EPExeon Processors LLC | Jonesboro | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
Gerdau Macsteel, INC. | Jackson | MI | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| GLGreat Lakes Precision Tube, INC. | Aurora | IL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| GAGrooms Aluminum Processing, LLC | Ashville | AL | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
Herr & Sacco, INC. | Manheim | PA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| HHorizon | Nephi | UT | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| HEHoward Engineering CO | Naugatuck | CT | Primary Metal Manufacturing331511 | 1-19 | ◐ LIKELY ACTIVE |
| IAIowa Aluminum INC | Albia | IA | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
Mendenhall Industries CORP | Myrtle Beach | SC | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| MSMetal-fab Services Industry, INC | Anaheim | CA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| MMMil-spec Magnetics, INC | Covina | CA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| MCMiniature Casting CORP | Cranston | RI | Primary Metal Manufacturing331522 | 20-99 | ◐ LIKELY ACTIVE |
| MSMorgan Steel LLC | Memphis | TN | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
Omega Flex, INC. | Exton | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| OLOptimim LLC | Wilsonville | OR | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
Ssab, INC. | Moon Township | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SCSt. Croix Castings, INC. | Woodville | WI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| SDSuperior Die Cast LLC | Jacksonville | TX | Primary Metal Manufacturing331523 | — | ◐ LIKELY ACTIVE |
Total Structures INC | Whites Creek | TN | Primary Metal Manufacturing331313 | — | ◐ LIKELY ACTIVE |
| ACAbex CORP Amsco Div | Anderson | IN | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| AIAccel International Holdings, INC. | Port Saint Lucie | FL | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| AAccumetrics | Royersford | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ADAccu-Tube - Denver | Denver | CO | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| AFAC Foundry Incorporated dba Melling Engineered Aluminum Castings | Battle Creek | MI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| AFAcheson Foundry & Machine Works, INC. | Chattanooga | TN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
Acme Manufacturing CO | Denver | CO | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| ASAcs Steel Co., LLC | Tulsa | OK | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| AGAction Group INC | Blacklick | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ABActive Brass Foundry | Telford | PA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| ASAdams Scrap Recycling LLC | Greenville | SC | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| ACAdvanced Chemical CO. | Warwick | RI | Primary Metal Manufacturing331419 | 20-99 | ◐ LIKELY ACTIVE |
| AMAdvanced Magnesium Alloys CORP (amacor) | Anderson | IN | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| AMAdvanced Materials Group - Metallurgical Operations | Fallon | NV | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| APAdvanced Precision, INC. | Chino | CA | Primary Metal Manufacturing331523 | — | ◐ LIKELY ACTIVE |
| ASAdvantage Steel Service, INC. | North Richland Hills | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| AOAerojet Ordnance Tennessee | Jonesborough | TN | Primary Metal Manufacturing331528 | — | ◐ LIKELY ACTIVE |
| AAhoskie | Ahoskie | NC | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| AWAhresty Wilmington CORP | Wilmington | OH | Primary Metal Manufacturing331315 | 500+ | ◐ LIKELY ACTIVE |
| AAAisin Automotive Castings LLC | London | KY | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| AFAkron Foundry Company | Akron | OH | Primary Metal Manufacturing331524 | 500+ | ◐ LIKELY ACTIVE |
| ASAk Steel Corp/butler Works | Butler | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AWAlan Wire CO | Sikeston | MO | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| APAlcast- Peoria | Peoria | IL | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| AMAlcoa Massena Operations - West Plant | Massena | NY | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
| AOAlcoa-rockdale Operations | Rockdale | TX | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
| AWAlcoa Warrick Operations | Newburgh | IN | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |