| CAContinental Aluminum | New Hudson | — | ◇ UNVERIFIED |
| DSDelray Steel Casting INC | Melvindale | — | ◇ UNVERIFIED |
| DCDetroit Coke CORP | Detroit | — | ◇ UNVERIFIED |
| DSDetroit Steel CO Trenton | Trenton | — | ◇ UNVERIFIED |
| DEDouble Eagle Steel Coating Company | Dearborn | — | ◇ UNVERIFIED |
| EAEagle Aluminum Cast Products INC | Muskegon | 1–19 | ◇ UNVERIFIED |
| FEFritz Enterprises INC | Flint | — | ◇ UNVERIFIED |
| GPGm Power Train Saginaw Malleable Iron | Saginaw | — | ◇ UNVERIFIED |
| GLGm-smco Landfill | Saginaw | — | ◇ UNVERIFIED |
| HCHayes-albion Corporation | Albion | — | ◇ UNVERIFIED |
| HIHd Industries | Detroit | — | ◇ UNVERIFIED |
| HMHofley Mfg CO | Roseville | — | ◇ UNVERIFIED |
| HCHowmet Corporation, Hrc and Plants 5 & 10 | Whitehall | — | ◇ UNVERIFIED |
| HVHuron Valley Steel CORP | Belleville | — | ◇ UNVERIFIED |
| HAHydro Aluminum Adrian INC | Adrian | — | ◇ UNVERIFIED |
| HAHydro Aluminum North America Kalamazoo Operation | Kalamazoo | — | ◇ UNVERIFIED |
| IBIcg Berrien INC | Bridgman | — | ◇ UNVERIFIED |
| IZInteramerican Zinc INC | Coldwater | — | ◇ UNVERIFIED |
| ICInvecast Corporation | Warren | — | ◇ UNVERIFIED |
| JSJames Steel and Tube | Madison Heights | — | ◇ UNVERIFIED |
| JLJ L French | Grandville | — | ◇ UNVERIFIED |
| KSKarl Schmidt Unisia INC | South Haven | — | ◇ UNVERIFIED |
| KNKeweenaw National Historical Park Advisory Commission | Hancock | — | ◇ UNVERIFIED |
| MCMag-tec Casting CORP | Jackson | — | ◇ UNVERIFIED |
| MTMaverick Tube Corporation | Ferndale | — | ◇ UNVERIFIED |
| MCMax Casting Co-benton Harbor | Benton Harbor | — | ◇ UNVERIFIED |
| MSMclouth Steel Gibraltar Plant | Gibraltar | — | ◇ UNVERIFIED |
| MPMeridian Pr0ducts of America | Eaton Rapids | — | ◇ UNVERIFIED |
| MEMich Extruded Aluminum-jackson | Jackson | — | ◇ UNVERIFIED |
| MSMichigan Steel, INC. | Muskegon | — | ◇ UNVERIFIED |
| MMMidwest Metallurgical Laboratory Site | Marshall | — | ◇ UNVERIFIED |
| MWMid West Wire Products INC | Ferndale | — | ◇ UNVERIFIED |
| MCMuskegon Castings Corporation/port City Metal Products | Muskegon | — | ◇ UNVERIFIED |
| NSNat Standard-city Complex | Niles | — | ◇ UNVERIFIED |
| NCNorthland Castings Corporation | Hart | 1–19 | ◇ UNVERIFIED |
| OSOmnisource Sturgis | Sturgis | — | ◇ UNVERIFIED |
| PIParamelt Icd Warehouse | Muskegon | — | ◇ UNVERIFIED |
| PIPilot Industries INC | Manchester | — | ◇ UNVERIFIED |
| PCPort City Castings Corporation | Norton Shores | — | ◇ UNVERIFIED |
| PCPort City Die Cast | Muskegon | — | ◇ UNVERIFIED |
| PRPrairie Ronde Realty Company | Dowagiac | — | ◇ UNVERIFIED |
| PMPrecious Metals Refiners LLC | Redford | — | ◇ UNVERIFIED |
| PPProcess Prototype INC | Romulus | — | ◇ UNVERIFIED |
| PVPro V Enterprises | Dearborn | — | ◇ UNVERIFIED |
| QWQuality Wire Processing INC | Taylor | — | ◇ UNVERIFIED |
| RAReal Alloy Specification, LLC | Saginaw | — | ◇ UNVERIFIED |
| RRRegal Recycling LLC | Howell | — | ◇ UNVERIFIED |
| SISamuel-whittar INC | Detroit | — | ◇ UNVERIFIED |
| SSpacerak | Marlette | — | ◇ UNVERIFIED |
| SFSparta Foundry INC | Sparta | — | ◇ UNVERIFIED |
