| BIBetz Industries | Grand Rapids | MI | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
Delaco Steel CORP | Dearborn | MI | Primary Metal Manufacturing331221 | 100-499 | ● ACTIVE |
| DNDicastal North America, INC. | Greenville | MI | Primary Metal Manufacturing331523 | 100-499 | ● ACTIVE |
| EAEagle Alloy, INC. | Muskegon | MI | Primary Metal Manufacturing331513 | 100-499 | ● ACTIVE |
| EAExtruded Aluminum Company, LLC | Belding | MI | Primary Metal Manufacturing331316 | 100-499 | ● ACTIVE |
| HCHuron Casting INC | Pigeon | MI | Primary Metal Manufacturing331513 | 100-499 | ● ACTIVE |
| LEL E Jones CO | Menominee | MI | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
Linear Motion LLC | Saginaw | MI | Primary Metal Manufacturing331111 | 100-499 | ● ACTIVE |
Metal Flow Corporation | Holland | MI | Primary Metal Manufacturing331221 | 100-499 | ● ACTIVE |
| MSMichigan Seamless Tube, LLC | South Lyon | MI | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| MBMueller Brass CO. | Port Huron | MI | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
Superior Extrusion, INC | Gwinn | MI | Primary Metal Manufacturing331315 | 100-499 | ● ACTIVE |
| TETooling & Equipment International CORP. | Livonia | MI | Primary Metal Manufacturing331524 | 100-499 | ● ACTIVE |
Troy Tube & Manufacturing CO | Chesterfield | MI | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| ACAsama Coldwater Manufacturing, INC. | Coldwater | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| CCCadillac Casting, INC (b2178) | Cadillac | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| CMCannon Muskegon CORP | Muskegon | MI | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| CDCascade Die Casting / Great La Kes | Sparta | MI | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| FRFlat Rock Metal INC | Flat Rock | MI | Primary Metal Manufacturing331221 | 100-499 | ◐ 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 |
Kaiser Aluminum Fabricated Products LLC | Kalamazoo | MI | Primary Metal Manufacturing331312 | 100-499 | ◐ LIKELY ACTIVE |
| LPLinn Products INC | Charlotte | MI | Primary Metal Manufacturing331312 | 100-499 | ◐ LIKELY ACTIVE |
| MCMnp CORP | Utica | MI | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| PGPsg Grand Rapids (previously Blackmer, a Dover Co) | Grand Rapids | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| WCWyman-gordon Company Brighton Operations | Brighton | MI | Primary Metal Manufacturing331492 | 100-499 | ◐ LIKELY ACTIVE |
| GLGreat Lakes Casting | Ludington | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| LMLight Metals Corporation | Wyoming | MI | Primary Metal Manufacturing331314 | 100-499 | ◐ LIKELY ACTIVE |
| BDBlue Diamond Steel Casting,inc. | Pigeon | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| DND & N Bending CORP. | Romeo | MI | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| HDHercules Drawn Steel CORP | Livonia | MI | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| LPLinn Products INC | Charlotte | MI | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| MPMagnesium Prod of AM | Eaton Rapids | MI | Primary Metal Manufacturing331522 | 100-499 | ◐ LIKELY ACTIVE |
| ASAdvantage Sintered Metals INC | Battle Creek | MI | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| CCCadillac Casting, Inc | Cadillac | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| DBD&n Bending CORP. | Romeo | MI | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| CDCascade Die Casting Group INC | Grand Rapids | MI | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| FEFritz Enterprises INC | Trenton | MI | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| KWKaines West Michigan | Ludington | MI | Primary Metal Manufacturing331222 | 100-499 | ◇ UNVERIFIED |
| AAludyne | Montague | MI | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| BABenteler Automotive Holland | Holland | MI | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| BNBrembro North America, Inc. | Homer | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| BIBuhlerPrince, Inc. | Holland | MI | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| GLGreat Lakes Castings LLC | Ludington | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| HSHeidtman Steel Products Inc.-Bedford Tube Mill | Erie | MI | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| IEInternational Extrusions | Garden City | MI | Primary Metal Manufacturing331316 | 100-499 | ◐ LIKELY ACTIVE |
| PEPostle Extrusion | Cassopolis | MI | Primary Metal Manufacturing331316 | 100-499 | ◐ LIKELY ACTIVE |
| UAUltra Aluminum | Howell | MI | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| DFDock Foundry LLC dba Three Rivers Gray Iron | Three Rivers | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
Elmet Technologies | Coldwater, MI | MI | Primary Metal Manufacturing331492 | 100-499 | ◐ LIKELY ACTIVE |