| CSCleveland-cliffs Steel CORP - Dearborn Works | Dearborn | 500+ | ● ACTIVE |
 Delaco Steel CORP | Dearborn | — | ● ACTIVE |
| NMNorthfield Manufacturing, INC | Westland | 20–99 | ● ACTIVE |
| TETooling & Equipment International CORP. | Livonia | 100–499 | ● ACTIVE |
| Diez Group LLC | Trenton | — | ● ACTIVE |
 Target Metal Blanking INC | New Boston | — | ● ACTIVE |
| ATAtlas Tube- Plymouth Plant | Plymouth | 20–99 | ◐ LIKELY ACTIVE |
| FRFlat Rock Metal INC | Flat Rock | 100–499 | ◐ LIKELY ACTIVE |
| HDHercules Drawn Steel CORP | Livonia | 100–499 | ◐ LIKELY ACTIVE |
| WMWindsor Machine & Stamping US LTD | Taylor | — | ◐ LIKELY ACTIVE |
| KWKreher Wire Processing | Romulus | — | ◐ LIKELY ACTIVE |
| STSteel Technologies INC | Canton | — | ◐ LIKELY ACTIVE |
| FPFritz Products | River Rouge | — | ◇ UNVERIFIED |
| AMAmeriti Manufacturing Company | Detroit | — | ◐ LIKELY ACTIVE |
| IEInternational Extrusions | Garden City | 100–499 | ◐ LIKELY ACTIVE |
| OMOerlikon Metco - Plymouth | Plymouth | 20–99 | ◐ LIKELY ACTIVE |
| WSWorthington Steel Taylor | Taylor | 20–99 | ◐ LIKELY ACTIVE |
| HVHuron Valley Steel CORP | Belleville | — | ◐ LIKELY ACTIVE |
| USUS Steel-gl-zug Island | River Rouge | — | ◐ LIKELY ACTIVE |
| VIVoss Industries-voss Taylor Div | Taylor | — | ◐ LIKELY ACTIVE |
| AAArco Alloys CORP | Detroit | — | ◇ UNVERIFIED |
| DMDaimlerchrysler Mt Elliott | Detroit | — | ◇ 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 |
| HIHd Industries | Detroit | — | ◇ UNVERIFIED |
| KPKenwal Pickling, LLC | Dearborn | — | ◇ UNVERIFIED |
| MSMclouth Steel Gibraltar Plant | Gibraltar | — | ◇ UNVERIFIED |
| NSNet Shaped Solutions | Canton | — | ◇ UNVERIFIED |
| NTNss Technologies INC | Canton | — | ◇ UNVERIFIED |
| PMPrecious Metals Refiners LLC | Redford | — | ◇ UNVERIFIED |
| PPProcess Prototype INC | Romulus | — | ◇ UNVERIFIED |
| PVPro V Enterprises | Dearborn | — | ◇ UNVERIFIED |
| QWQuality Wire Processing INC | Taylor | — | ◇ UNVERIFIED |
| SISamuel-whittar INC | Detroit | — | ◇ UNVERIFIED |
| WSWorthington Specialty Processing - Canton | Canton | — | ◇ UNVERIFIED |
| BTBWD Technologies | Dearborn | 1–19 | ◐ LIKELY ACTIVE |
| ECEdw C Levy Co dba Edw C Levy Co (Detroit) | Detroit | 20–99 | ◐ LIKELY ACTIVE |
| FMFerrolux Metals Co. | Gibraltar | 20–99 | ◐ LIKELY ACTIVE |
| HCHyCAL Corp. | Gibraltar | 1–19 | ◐ LIKELY ACTIVE |
| OOPTA-Dearborn | Dearborn | 1–19 | ◐ LIKELY ACTIVE |
| RMRepublic Marketing INC. | Lincoln Park | — | ◐ LIKELY ACTIVE |
| APABRS Properties | Detroit | — | ◇ UNVERIFIED |
| ASAk Steel CORP | Dearborn | — | ◇ UNVERIFIED |
| ALAmerican Lightweight Materials Manufacturing Innovations Institute Dba Lightweig | Detroit | — | ◇ UNVERIFIED |
| AUAngstrom USA LLC | Taylor | — | ◇ UNVERIFIED |
| APApex Powder Coating LLC | Taylor | — | ◇ UNVERIFIED |
| CAConstellium Automotive Structures North America | Van Buren Twp | — | ◇ UNVERIFIED |
| CCConstellium Ctec | Plymouth | — | ◇ UNVERIFIED |
