| ETEgle-rrd-austin Tube Prod | Baldwin | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| FIFranklin Iron & Metal | Battle Creek | MI | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| FEFritz Enterprises INC | Flint | MI | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| GGGci Gokoh Coldwater INC | Coldwater | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| GPGm Power Train Saginaw Malleable Iron | Saginaw | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| GLGm-smco Landfill | Saginaw | MI | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| GLGreat Lakes X-cel | Niles | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| HCHayes-albion Corporation | Albion | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| HIHd Industries | Detroit | MI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| HMHofley Mfg CO | Roseville | MI | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| HCHowmet Corporation, Hrc and Plants 5 & 10 | Whitehall | MI | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| HAHydro Aluminum Adrian INC | Adrian | MI | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| HAHydro Aluminum North America Kalamazoo Operation | Kalamazoo | MI | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| IBIcg Berrien INC | Bridgman | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| IZInteramerican Zinc INC | Coldwater | MI | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| ICInvecast Corporation | Warren | MI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| JSJames Steel and Tube | Madison Heights | MI | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| JLJ L French | Grandville | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| KSKarl Schmidt Unisia INC | South Haven | MI | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| KPKenwal Pickling, LLC | Dearborn | MI | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| KNKeweenaw National Historical Park Advisory Commission | Hancock | MI | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| MCMag-tec Casting CORP | Jackson | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| MIMahle Inc-muskegon Hts Complex | Muskegon | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| MTMaverick Tube Corporation | Ferndale | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| MCMax Casting Co-benton Harbor | Benton Harbor | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| MSMclouth Steel Gibraltar Plant | Gibraltar | MI | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| MPMeridian Pr0ducts of America | Eaton Rapids | MI | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| MEMich Extruded Aluminum-jackson | Jackson | MI | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| MSMichigan Steel, INC. | Muskegon | MI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MMMidwest Metallurgical Laboratory Site | Marshall | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| MWMid West Wire Products INC | Ferndale | MI | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| MAMuskegon Aluminum Bronze F | Muskegon | MI | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| MCMuskegon Castings Corporation/port City Metal Products | Muskegon | MI | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| NSNat Standard-city Complex | Niles | MI | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| NSNet Shaped Solutions | Canton | MI | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| NHNew Haven Foundry | New Haven | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| NPNew Products CORP | Benton Harbor | MI | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| OSOmnisource Sturgis | Sturgis | MI | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| PIParamelt Icd Warehouse | Muskegon | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PIPilot Industries INC | Manchester | MI | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| PFPioneer Foundry CO INC | Jackson | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PCPort City Castings Corporation | Norton Shores | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| PCPort City Die Cast | Muskegon | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| PRPrairie Ronde Realty Company | Dowagiac | MI | Primary Metal Manufacturing331421 | — | ◇ UNVERIFIED |
| PMPrecious Metals Refiners LLC | Redford | MI | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| PPProcess Prototype INC | Romulus | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PVPro V Enterprises | Dearborn | MI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| QWQuality Wire Processing INC | Taylor | MI | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| RAReal Alloy Specification, LLC | Saginaw | MI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| RRRegal Recycling LLC | Howell | MI | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
