| 9M94782 - M - N Structures INC | Winsted | MN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| 9F96402 - Fraser Steel Company | Albertville | MN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| ACAlliant Castings | Winona | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| DMDee Mfg | Crookston | MN | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| DIDotson Iron Castings | Mankato | MN | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| DSDycast Specialties | Starbuck | MN | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| ICInvest Cast INC | Minneapolis | MN | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
Midwest Metal Products INC | Winona | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
Team Industries - Detroit Lakes | Detroit Lakes | MN | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| TIThorud INC | Bloomington | MN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CCCast Corporation | Hibbing | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CPConsolidated Precision Products - Minneapolis | Bloomington | MN | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| DBDuluth Brass Manufacturing INC | Duluth | MN | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| PFProspect Foundry LLC | Minneapolis | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| TDTechnical Die-casting INC | Stockton | MN | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| 9H92535 - Harriston - Mayo LLC | East Grand Forks | MN | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| 9B96437 - Badger Foundry Company | Winona | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| FPFederal-mogul Powertrain LLC | Lake City | MN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| MMMarksman Metals CO INC | Saint Michael | MN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MIMinncast INC | Fridley | MN | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| OLOtter Lake Technologies, LLC | White Bear Township | MN | Primary Metal Manufacturing331522 | 100-499 | ◐ LIKELY ACTIVE |
| PFPier Foundry & Pattern Shop, Inc. | Saint Paul | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| 9B96965 - Briese Iron Works INC | Rochester | MN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
Carley Foundry INC | Blaine | MN | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| GLGrede LLC - St Cloud | Saint Cloud | MN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| JIJostens INC - Owatonna | Owatonna | MN | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| KMKurt Manufacturing CO - Die Cast | Fridley | MN | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| MGMe Global INC | Duluth | MN | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| NINorthern Iron LLC | Saint Paul | MN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| TMTeemark Manufacturing INC | Aitkin | MN | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
Twin City Die Castings CO - Monticello | Monticello | MN | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| WGWater Gremlin CO | White Bear Lake | MN | Primary Metal Manufacturing331522 | — | ◐ LIKELY ACTIVE |
| CECrown Extrusions Columbia | Chaska | MN | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| CECrown Extrusions - Norex | Chaska | MN | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| LILouis Industries INC | Paynesville | MN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| 9M93462 - Millerbernd Manufacturing Company | Winsted | MN | Primary Metal Manufacturing331221 | 500+ | ◐ LIKELY ACTIVE |
| 9S94571 - Smith Foundry Company | Minneapolis | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| EIEnviro-chem INC - Plant 1 | Rogers | MN | Primary Metal Manufacturing331492 | 1-19 | ◐ LIKELY ACTIVE |
| 9G93063 - Grede LLC | Saint Cloud | MN | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| EDEquality Die Cast, Inc. | Winona | MN | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| GAGerdau Ameristeel US INC | Saint Paul | MN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| MMMesabi Metallics CO LLC | Nashwauk | MN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| MNMesabi Nugget Delaware LLC | Aurora | MN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| MMetalmatic | Minneapolis | MN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| MLMetal-Matic, LLC Minneapolis Plant | Minneapolis | MN | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| MWMinneapolis Washer and Stamping, INC. | Minneapolis | MN | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| MMMinnesota Metalworks INC | Detroit Lakes | MN | Primary Metal Manufacturing331491 | 1-19 | ◐ LIKELY ACTIVE |
| NINorthern Iron LLC | St Paul | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| P1Poly-Cam 1101 | Anoka | MN | Primary Metal Manufacturing331210 | 1-19 | ◐ LIKELY ACTIVE |
| SCSure Cast Foundry | Blaine | MN | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |