| RERepublic Engineered Products, INC. | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| RMRichard Mills | Medina | OH | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| RARoss Aluminum Foundries Ii | Sidney | OH | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| RTRr Traders & Import Export LLC | Lewis Center | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SBSeville Bronze | Seville | OH | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| SCShape CORP | Trenton | OH | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| SMShardy Machine Services LLC | Burghill | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SSSheffield Steel Products INC | Macedonia | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SASlob and Sons Pipe & Casing, INC. | Marion | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SISolsil Incorporated (0684000225) | Beverly | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SPSst Precision Manufacturing INC. | Loveland | OH | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| SCSteel Ceilings INC | Johnstown | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| SPSterling Pipe & Tube, INC. | Toledo | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SSSteven Steel Supply | Columbus | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SSSummit Steel Corporation | Chagrin Falls | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| THThe Hamilton Brass & Aluminum Casting CO. | Hamilton | OH | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| TTThe Timken Company | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TTThe Timken Steel Corporation | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TTThe Timkensteel Corporation | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TWThe Wilmington Iron and Metal Company, Inc. | Wilmington | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
 The Worthington Steel Company (1318178701) | Cuyahoga Heights | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| TITimcor, INC | Defiance | OH | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| TCTimkensteel Corporation | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TITmk Ipsco | Brookfield | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TMTomco Machining INC | Dayton | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TMTpc Metals LLC | Bryan | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| TMTpc Metals, LLC | Canton | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| TNTubetech North America, INC. | E Palestine | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TETvek Enterprises, INC. | Mingo Junction | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| UFU First Logistics INC. | Elyria | OH | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
 Universal Stainless & Alloy Products INC. | North Jackson | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Dayton | OH | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| VVallourec | Youngstown | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| VLViktor's Legacy Custom Gunsmithing | Fairport | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| VCVKS Capital LLC | Springboro | OH | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| WSWarren Steel Holdings, LLC (0278080015) | Warren | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| WCWieland Chase LLC (0386000127) | Montpelier | OH | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| WIWorthington Industries | Cleveland | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| WIWorthington Industries - Cleveland | Cuyahoga Heights | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| WIWorthington Industries Mt Orab | Mount Orab | OH | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| WSWorthington Samuel Coil Processing, LLC. (1318007554) | Cleveland | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| WSWorthington Steelpac (0511005008) | North Lewisburg | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| YCYagerbomb Customs LLC | Homerville | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| YDYoder Die Casting INC | Dayton | OH | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
