| TSThomas Steel Strip CORP | Warren | OH | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| NCNovelis Corporation (0278080136) | Warren | OH | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| WTWheatland Tube - Warren, a Div. of Zekelman Industries (0278080757) | Warren | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TSThomas Steel Strip Corporation Tata Steel Plating | Warren | OH | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| WSWarren Steel Holdings LLC | Warren | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AWArcelormittal Warren | Warren | OH | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
 Golden Aluminum Extrusions Warren, LLC | Warren | OH | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| ICInvecast Corporation | Warren | MI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| WDWolverine Die Cast-hoover Rd | Warren | MI | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| BPBar Processing Warren | Warren | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| NLNiagara LaSalle Corporation | Warren | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| WTWheatland Tube Warren | Warren | OH | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| BWBdm Warren Steel Operations, LLC (0278000463) | Warren | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| DADelphi Automotive Systems LLC | Warren | OH | Primary Metal Manufacturing331422 | — | ◇ UNVERIFIED |
| EMEmet Manufacturing, INC. | Warren | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| FPFerrous Processing and Trading CO. (slc Recycling) | Warren | MI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| SFSchwarb Foundry | Warren | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| TDTherm-o-link Dba Vulkor INC. | Warren | OH | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| TATi Automotive (formerly Bundy Corportation) | Warren | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| WSWarren Steel Holdings, LLC (0278080015) | Warren | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
