| GAGeneral Aluminum LLC, Wapakoneta | Wapakoneta | OH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| GDGeneral Die Casters, Inc. Twinsburg | Twinsburg | OH | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| GDGM Defiance Operations | Defiance | OH | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |
| HWHi-Tech Wire and Manufacturing | St Henry | OH | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| HOHSM OT Mid-West (462) | Barberton | OH | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| IAImperial Aluminum | Minerva | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products OHW | Upper Sandusky | OH | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| IAI.Schumann and Company | Bedford | OH | Primary Metal Manufacturing331420 | 1-19 | ◐ LIKELY ACTIVE |
| JJackson | Jackson | OH | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| JIJackson International Inc DBA Jaxon | Mineral Ridge | OH | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| JSJb Stamping INC. | Associate Ave. | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| JHJ.W. Harris Co., Inc. - Mason | Mason | OH | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| KSKartal Services Group INC | Hubbard | OH | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| LELevy Environmental Services Company dba Fulton Mill Service | Delta | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| LLiberty-550 | Delaware | OH | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| MAMagnode A division of Shape Corp - Kennel Road | Trenton | OH | Primary Metal Manufacturing331313 | 100-499 | ◐ LIKELY ACTIVE |
| MUMatalco USA, Lordstown LLC | Lordstown | OH | Primary Metal Manufacturing331314 | 100-499 | ◐ LIKELY ACTIVE |
| MKMB Kit Systems LLC, dba Industrial Profile Systems | Akron | OH | Primary Metal Manufacturing331318 | 20-99 | ◐ LIKELY ACTIVE |
| MLMetal-Matic, LLC Middletown Plant | Middletown | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MUMetals USA- Wooster | Wooster | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MSMonarch Steel Company, Inc. | Cleveland | OH | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| NBNew Boston Division | New Boston | OH | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| NZNiles Zekelman Industries | Niles | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| NTNova Tube & Steel, LLC | Delta | OH | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| NNovelis | Uhrichsville | OH | Primary Metal Manufacturing331315 | 100-499 | ◐ LIKELY ACTIVE |
| NSNucor Skyline | Belpre | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| OOhio | North Jackson | OH | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| OSOhio-Kentucky Steel, LLC | Toledo | OH | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| PMPhillips Manufacturing Niles | Niles | OH | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| PGPhoenix Global, LLC-Cool Springs | Mingo Junction | OH | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| PGPhoenix Global, LLC-Marion | Marion | OH | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| PEPiqua Emery Cutter | Piqua | OH | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| PDPortsmouth Division | Portsmouth | OH | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| PMPremium Metals, Inc. | Cleveland | OH | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| RCRbm Customz LLC | Crown City | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Rhenium Alloys | North Ridgevillle | OH | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| RFRichard's Fence Company | Akron | OH | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
Sawbrook Steel Casting LLC | Lockland | OH | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| SFStar Fab, LLC (Canfield) | Canfield | OH | Primary Metal Manufacturing331313 | 20-99 | ◐ LIKELY ACTIVE |
| SPStephens Pipe and Steel Mount Sterling, OH | Mt. Sterling | OH | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| SPStephens Pipe and Steel Mount Sterling, OH | Mount Sterling | OH | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| TCterrasmart - Cincinnati | Cincinnati | OH | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| T2Torque 2020 CMA Acquisition LLC | Bolivar | OH | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| TFTrumbull Foundry and Alloy Henry Street | Niles | OH | Primary Metal Manufacturing331511 | 1-19 | ◐ LIKELY ACTIVE |
| UCUnion City Foundry | Union City | OH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| WTWheatland Tube Warren | Warren | OH | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| WCWieland Chase | Montpelier | OH | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| WSWorthington Steel Cleveland | Cuyahoga Heights | OH | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| WSWorthington Steel Technical Services | Columbus | OH | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| ACAl Custom Polishing | New Carlisle | OH | Primary Metal Manufacturing331319 | 1-19 | ◇ UNVERIFIED |