| JMJ&L Manufacturing | Marshall | MI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| KKalamazoo | Kalamazoo | MI | Primary Metal Manufacturing331529 | 1-19 | ◐ LIKELY ACTIVE |
| KCKautex - CWC | Muskegon | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| LFLahti Fabrication Inc | Alger | MI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| LSLinamar Structures | Fruitport | MI | Primary Metal Manufacturing331524 | 500+ | ◐ LIKELY ACTIVE |
| MTMidwest Tube Fabricators INC | Sterling Heights | MI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| NGNational Galvanizing | Monroe | MI | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| NONFCA Operations LLC -Norton Shores | Norton Shores | MI | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| NLNiagara LaSalle Corporation | Warren | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| PIPACE INDUSTRIES Muskegon #1 - PCDC | Muskegon | MI | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| PAPure Aluminum LLC | Saranac | MI | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| RCRavenna Casting Center, LLC | Ravenna | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| RAReal Alloy Recycling LLC. -Coldwater, MI | Coldwater | MI | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| RMRepublic Marketing INC. | Lincoln Park | MI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Revex Technologies, INC. | Houghton | MI | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| SMSaginaw Metal Casting Operations | Saginaw | MI | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| SSawyer | Sawyer | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| TMTNR Machine, Inc. | Dowling | MI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| WCWall Colmonoy - World Headquarters | Madison Heights | MI | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| WAWellington Alloys, LLC | Bloomfield Hills | MI | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| WEWKW Erbsloeh Aluminum Solutions, Inc | Portage | MI | Primary Metal Manufacturing331313 | 100-499 | ◐ LIKELY ACTIVE |
| NMNion Metals LLC | Houghton | MI | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| BFBrockie Fabricating INC | Jackson | MI | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| EAEagle Aluminum Cast Products INC | Muskegon | MI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| NCNorthland Castings Corporation | Hart | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| AAA-1 Accurate, LLC | Grand Rapids | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| APABRS Properties | Detroit | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ARAcme Roll Forming Company | Sebewaing | MI | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| ADAdco Diecast CORP | Bridgman | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| AMA&E Manufacturing, LLC | Spring Lake | MI | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| AMAfco Manufacturing | Holly | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ASAlchemist Sculpture Foundry | Kalamazoo | MI | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| AEAlcoa Engineered Structures | Lapeer | MI | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| AHAlcoa Howmet - Ti Cast Plant 5 | Whitehall | MI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| AHAlcoa Howmet Titanium Ingot | Whitehall | MI | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| ABAll Bending and Tubular Products LLC | Grand Rapids | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ARAlloy Resources CORP | Muskegon | MI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| ASAls Scrap Metals | Gladwin | MI | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| AIAludyne INC | Alma | MI | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| ALAlutech, LLC Dba Chassix INC | Stevensville | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| ALAmerican Lightweight Materials Manufacturing Innovations Institute Dba Lightweig | Detroit | MI | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| ASAmerican Spiral Weld Pipe | Flint | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| AUAngstrom USA LLC | Taylor | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| AFAnstey Foundry | Stevensville | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| AAperam | Sterling Heights | MI | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| ASAperam Stainless Services & Solutions | Sterling Heights | MI | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| AMArlington Metals CORP | Sawyer | MI | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| AIAuburn Industries A&A Inc | Auburn Hills | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
Barron Industries | Oxford | MI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| BHBBGK Holdings Inc. | Troy | MI | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |