| GAG-cor Automotive CORP | Columbus | — | ◇ UNVERIFIED |
| GDGe Dover Products Plant | Dover | — | ◇ UNVERIFIED |
| GCGeneral Casting CO Poulton Div | Columbus | — | ◇ UNVERIFIED |
| GEGeneral Electric, Tungsten Products Plant | Euclid | — | ◇ UNVERIFIED |
 Golden Aluminum Extrusions Warren, LLC | Warren | — | ◇ UNVERIFIED |
| GEGould Electronics INC. | Mcconnelsville | — | ◇ UNVERIFIED |
| GLGreene Lyon Metals LLC | Jackson | — | ◇ UNVERIFIED |
| GSG & S Titanium INC | Wooster | — | ◇ UNVERIFIED |
| HBHamilton Brass & Aluminum Castings CO | Hamilton | — | ◇ UNVERIFIED |
| HMHarry Masser CO INC | Columbus | — | ◇ UNVERIFIED |
| HTHydro Tube Enterprises, INC. (0247100874) | Oberlin | — | ◇ UNVERIFIED |
| IHI H Schlezinger INC | Columbus | — | ◇ UNVERIFIED |
| IAIndalex Aluminum Solutions-girard Plant (0278020021) | Girard | — | ◇ UNVERIFIED |
| IIIntermet Ironton Foundry | Ironton | — | ◇ UNVERIFIED |
| ILIronunits LLC | Toledo | — | ◇ UNVERIFIED |
| JHJw Harris CO INC Dba Harris Products Group | Mason | — | ◇ UNVERIFIED |
| KSKilroy Structural Steel CO | Cleveland | — | ◇ UNVERIFIED |
| KCKindt-collins CO | Cleveland | — | ◇ UNVERIFIED |
| KFKnapp Foundry Company INC (1677010014) | Akron | — | ◇ UNVERIFIED |
| KIKoncor Industries | Wauseon | — | ◇ UNVERIFIED |
| LLL & L Scrap Metals & Recycling | Gallipolis | — | ◇ UNVERIFIED |
| MAMagnesium Aluminum CORP | Cleveland | — | ◇ UNVERIFIED |
| MFMansfield Foundry Corporation | Mansfield | — | ◇ UNVERIFIED |
| MGMark Gray Enterprises | Columbus | — | ◇ UNVERIFIED |
| MUMatalco USA LLC | Canton | — | ◇ UNVERIFIED |
| MDMidwest Dicken Fndy | Arcadia | — | ◇ UNVERIFIED |
| NMNational Metal Abrasive Company | Wadsworth | — | ◇ UNVERIFIED |
| NBNew Boston Coke CORP | New Boston | — | ◇ UNVERIFIED |
| NBNucor Bright Bar Orrville | Orrville | — | ◇ UNVERIFIED |
| OCOhio Cold Rolling Company LLC | Yorkville | — | ◇ UNVERIFIED |
| ODOhio Decorative Products LLC | Spencerville | — | ◇ UNVERIFIED |
| OPOhio Precious Metals LLC | Jackson | — | ◇ UNVERIFIED |
| OVOhio Valley Aluminum C LLC Niles Facilit | Niles | — | ◇ UNVERIFIED |
| OOOmni Oxide CORP Ohio Oxide Div | Lancaster | — | ◇ UNVERIFIED |
| ODOmnisource Defiance | Defiance | — | ◇ UNVERIFIED |
| OAOrmet Aluminum Mill Products CORP | Hannibal | — | ◇ UNVERIFIED |
| OPOrmet Primary Aluminum CORP | Hannibal | — | ◇ UNVERIFIED |
| PGParker Gear Pump Division | Youngstown | — | ◇ UNVERIFIED |
| PFPentair Flow Technologies, LLC - Ashland Casting Center | Ashland | — | ◇ UNVERIFIED |
| PIPicoma Industries-a Division of Zekelman Industries | Cambridge | — | ◇ UNVERIFIED |
| PAPrecision Aluminum INC. | Wadsworth | — | ◇ UNVERIFIED |
| PCPride Cast Metals | Cincinnati | — | ◇ UNVERIFIED |
| QCQuincy Castings, INC. | Quincy | — | ◇ UNVERIFIED |
| RMRainbow Muffler & Brake | Sandusky | — | ◇ UNVERIFIED |
| RARavenna Aluminum Industries INC | Ravenna | — | ◇ UNVERIFIED |
| RCReliable Casting Corporation | Cincinnati | — | ◇ UNVERIFIED |
| RSRemelt Services INC | Cleveland | — | ◇ UNVERIFIED |
| RSRepublic Steel (slag Processing Facility) | Canton | — | ◇ UNVERIFIED |
| RTRepublic Technologies Intl - Massillon H | Massillon | — | ◇ UNVERIFIED |
| RWRepublic Wire INC | West Chester | — | ◇ UNVERIFIED |
