| DPDe Pere Foundry INC | De Pere | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| DMDormont Mfg CO | Export | PA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| DIDualtech Incorporated | Franklin | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| DBDura Bond Pipe Llc/steelton | Steelton | PA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| EFEagle Foundry | Eagle Creek | OR | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| EAEastern Alloys INC | Maybrook | NY | Primary Metal Manufacturing331419 | 20-99 | ◐ LIKELY ACTIVE |
| EAEastern Alloys of Ky | Henderson | KY | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| EMEngineered Materials Solutions INC | Attleboro | MA | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| FRFall River Foundry CO | Fall River | WI | Primary Metal Manufacturing331520 | 100-499 | ◐ LIKELY ACTIVE |
| FBFelker Brothers CORP | Glasgow | KY | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| FRFlat Rock Metal INC | Flat Rock | MI | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| FMFord Meter Box Company INC | Wabash | IN | Primary Metal Manufacturing331525 | 500+ | ◐ LIKELY ACTIVE |
| FRFort Recovery Industries INC | Fort Recovery | OH | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| GSGannon & Scott INC | Cranston | RI | Primary Metal Manufacturing331410 | 20-99 | ◐ LIKELY ACTIVE |
| GMGeneral Motors LLC - Bay City | Bay City | MI | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| GSGerdau Special Steel North America | Jackson | MI | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| GSGkn Sinter Metals | Gallipolis | OH | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| GMGladieux Metals Recycling | Freeport | TX | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| GDG&m Die Casting CO INC | Wood Dale | IL | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| GAGordon Aluminum Industries | Schofield | WI | Primary Metal Manufacturing331316 | 100-499 | ◐ LIKELY ACTIVE |
| GLGreat Lakes Towers LLC | Monroe | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| GMGreenville Metals INC | Transfer | PA | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| GTGreenville Tube Company | Clarksville | AR | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| HBHanger Bolt & Stud CO | Greenfield | IN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| HSHaven Steel Products, INC. | Haven | KS | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
Haynes International, INC. Dba Haynes Wire Company | Hendersonville | NC | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| HIHensley Industries, INC. | Dallas | TX | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| HMHildreth Mfg LLC | Marion | OH | Primary Metal Manufacturing331522 | 20-99 | ◐ LIKELY ACTIVE |
| HCHoeganaes CORP | Gallatin | TN | Chemical Manufacturing325120 | 100-499 | ◐ LIKELY ACTIVE |
| HDHoffmann Die Cast LLC | Saint Joseph | MI | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| IDImperial Die Casting | Liberty | SC | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| IZImperial Zinc CORP | Chicago | IL | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| IOImsamet of Arizona INC | Goodyear | AZ | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| IDInland Die Casting INC | Wheeling | IL | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| IPIntat Precision INC | Rushville | IN | Nonmetallic Mineral Product Manufacturing327213 | 100-499 | ◐ LIKELY ACTIVE |
| ICInternational Casting CORP | New Baltimore | MI | Primary Metal Manufacturing331511 | 1-19 | ◐ LIKELY ACTIVE |
| IEInternational Extrusion CORP Texas | Waxahachie | TX | Primary Metal Manufacturing331316 | 100-499 | ◐ LIKELY ACTIVE |
| ICInvest Cast INC | Minneapolis | MN | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| ISIowa Steel & Wire CO INC | Centerville | IA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum | Heath | OH | Primary Metal Manufacturing331312 | 100-499 | ◐ LIKELY ACTIVE |
Kaiser Aluminum Fabricated Products LLC | Kalamazoo | MI | Primary Metal Manufacturing331312 | 100-499 | ◐ LIKELY ACTIVE |
| KVKennedy Valve Div Mc Wane INC | Elmira | NY | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| KFKent Foundry CO. | Greenville | MI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| KCKentucky Chrome Works LLC | Horse Cave | KY | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| KSKeokuk Steel Castings a Matrix Metals CO LLC | Keokuk | IA | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| KKKowa Kentucky , INC. | Corbin | KY | Primary Metal Manufacturing331491 | 1-19 | ◐ LIKELY ACTIVE |
| KCKsm Castings Usa, INC. | Shelby | NC | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| KAKt Acquisition Llc, Dba Komtek Forge | Worcester | MA | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| LRLake Region Medical, INC. | Salem | VA | Primary Metal Manufacturing331491 | 500+ | ◐ LIKELY ACTIVE |
| LMLucas Milhaupt INC | Warwick | RI | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |