| WMWieland Metals INC | Wheeling | IL | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| WSWorthington Specialty Processing | Jackson | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| ZMZimmerman Metals INC | Denver | CO | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| 1A105424 - Aluminum Recovery Technologies | Kendallville | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| 1N106321 - Nikkei Mc Aluminum America Incorporated | Columbus | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| 9B96437 - Badger Foundry Company | Winona | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| ADAdvance Die Cast LLC | Milwaukee | WI | Primary Metal Manufacturing331310 | 20-99 | ◐ LIKELY ACTIVE |
| AMAero Manufacturing CORP | Beverly | MA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| AIAgra Industries INC | Merrill | WI | Primary Metal Manufacturing331200 | 20-99 | ◐ LIKELY ACTIVE |
| AWAlcotec Wire CORP | Traverse City | MI | Primary Metal Manufacturing331318 | 20-99 | ◐ LIKELY ACTIVE |
| APAlleima Precision Tube LLC | Scottdale | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| AAl-rec | Millwood | WV | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| AOAluchem of Little Rock, LLC | Little Rock | AR | Primary Metal Manufacturing331311 | 20-99 | ◐ LIKELY ACTIVE |
| AIAluminum Insights LLC | Syracuse | IN | Primary Metal Manufacturing331318 | 20-99 | ◐ LIKELY ACTIVE |
American Aluminum Extrusions of Ohio LLC | Canton | OH | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| AIAugusta Iron & Steel Works INC | Augusta | GA | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| BSBlair Strip Steel Company | New Castle | PA | Primary Metal Manufacturing331221 | 20-99 | ▲ REPORTED CLOSED |
| BPBlue Patriot Fab | Omaha | NE | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
Blue Whale Materials LLC | Bartlesville | OK | Textile Product Mills314999 | 20-99 | ◐ LIKELY ACTIVE |
| BBBradford Built | Washington | KS | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| BEBrowning Enterprise, INC. | Attalla | AL | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| CDCalifornia Die Casting INC | Ontario | CA | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| CMCardinal Manufacturing Company INC | Louisville | KY | Leather and Allied Product Manufacturing316998 | 20-99 | ◐ LIKELY ACTIVE |
| CFCarrier Franklin | Franklin | KY | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| CSCharleston Steel | Dunbar | WV | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CGChas G Allen CO INC | Barre | MA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CRCmc Rebar | Dallas | TX | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CPCoilplus Pennsylvania | Philadelphia | PA | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| CSCorn States Metal Fabricators INC | West Des Moines | IA | Primary Metal Manufacturing331313 | 20-99 | ◐ LIKELY ACTIVE |
| CECorsair Engineering INC | Flint | MI | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| CCCullman Casting Corporation | Cullman | AL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CFCumberland Foundry Co., INC. | Cumberland | RI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CSCustom Steel Processing (2) | Madison | IL | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| DIDolphin INC | Phoenix | AZ | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| DIDolphin Incorporated | Phoenix | AZ | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| DCDundee Castings CO | Dundee | MI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| DCDuro Cast INC | Somonauk | IL | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| EWEastern Wire Products INC | Jacksonville | FL | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| EIExtrusions INC. | Fort Scott | KS | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| FRFall River Die Cast | Germantown | WI | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| FCFisher Cast Steel Products * | West Jefferson | OH | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| FFFountain Foundry | Veedersburg | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| FMFrancis M Dix Company, INC. | Mena | AR | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| GFG. F. Puhl Company | Gallatin | TN | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| HCHarmony Castings | Harmony | PA | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| HGHerman Grant Co., INC. | Chattanooga | TN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| HHH & H Castings | York | PA | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| HPHolscher Products INC | Fowler | IN | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| HFHowell Foundry LLC | St. Francisville | LA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| ICId Castings LLC | Noblesville | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |