| AMAlexy Metals | Mentor | — | ◇ UNVERIFIED |
| AMAlexy Metals LLC | Willoughby | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum LLC | Louisville | — | ◇ UNVERIFIED |
| AMAlumalloy Metalcasting CO. | Avon Lake | — | ◇ UNVERIFIED |
| AHAmerican Highway Products, LTD | Bolivar | — | ◇ UNVERIFIED |
| ALAmerican Light Metals | Macedonia | — | ◇ UNVERIFIED |
 American Metal Technologies LLC | Xenia | — | ◇ UNVERIFIED |
| AUAmerican Utility Processing, LLC | Akron | — | ◇ UNVERIFIED |
| ARAmsted Rail - Columbus Plant (0125100987) | Groveport | — | ◇ UNVERIFIED |
| AArcelormittal | Cleveland | — | ◇ UNVERIFIED |
| AUArcelormittal USA | Newburgh Heights | — | ◇ UNVERIFIED |
| ACArcerlormittal Cleveland LLC | Cleveland | — | ◇ UNVERIFIED |
| AIArconic INC. | Barberton | — | ◇ UNVERIFIED |
| AIArmco INC Research & Technology Vim Laboratory | Middletown | — | ◇ UNVERIFIED |
| AFAt&t-cable Fluff Removal, Paulding | Paulding | — | ◇ UNVERIFIED |
| ANAuris Noble LLC | Akron | — | ◇ UNVERIFIED |
| BABabcock and Wilcox - Foundry Operations (1677020054) | Barberton | — | ◇ UNVERIFIED |
| BMBarclay Machine, INC. | Salem | — | ◇ UNVERIFIED |
| BABasic Aluminum Casting CO. | Cleveland | — | ◇ UNVERIFIED |
| BMBay Metal INC | Richfield | — | ◇ UNVERIFIED |
| BWBdm Warren Steel Operations, LLC (0278000463) | Warren | — | ◇ UNVERIFIED |
| BCBekaert Corporation | Fairlawn | — | ◇ UNVERIFIED |
| BHBrost Holdings LLC | Cleveland | — | ◇ UNVERIFIED |
| BSBr Services | Canton | — | ◇ UNVERIFIED |
| BWBrush Wellman Engineered Materials | Lorain | — | ◇ UNVERIFIED |
| BGB.w. Grinding CO. | Lyons | — | ◇ UNVERIFIED |
| CWCalvert Wire & Cable Corporation | Canton | — | ◇ UNVERIFIED |
| CTCam Tool & Engineering Inc | North Royalaton | — | ◇ UNVERIFIED |
| CACastek Aluminum, INC. | Elyria | — | ◇ UNVERIFIED |
| CCCastlebar Corporation | Canton | — | ◇ UNVERIFIED |
| CMCast Metal Tech, INC. | Union City | — | ◇ UNVERIFIED |
| CSCGAR Stainless, LLC | Eastlake | — | ◇ UNVERIFIED |
| CMCharter Manufacturing Company, INC. | Cleveland | — | ◇ UNVERIFIED |
| CBChase Brass & Copper Company LLC | Montpelier | — | ◇ UNVERIFIED |
| CCinao | Franklin | — | ◇ UNVERIFIED |
| CCinao | Batavia | — | ◇ UNVERIFIED |
| CECleveland Engineered Materials | Bedford Heights | — | ◇ UNVERIFIED |
| CRC&l Repair/fabrication LLC | Martins Ferry | — | ◇ UNVERIFIED |
| CBConcast Birmingham, INC. | Birmingham | — | ◇ UNVERIFIED |
| CMConcast Metal Products CO | Birmingham | — | ◇ UNVERIFIED |
| CPConsolidated Precision Products | Eastlake | — | ◇ UNVERIFIED |
| DRDayton Rogers of Ohio, Inc. | Obetz | — | ◇ UNVERIFIED |
| DCDefiance Casting Operations (0320010001) | Defiance | — | ◇ UNVERIFIED |
| DADelphi Automotive Systems LLC | Warren | — | ◇ UNVERIFIED |
| DSD.e. Song Fabrication, LLC | Mogadore | — | ◇ UNVERIFIED |
| DSDoral Steel, a Divsion of Samuel, Son & CO. INC. | Toledo | — | ◇ UNVERIFIED |
| DSDoral Steel, INC. | Toledo | — | ◇ UNVERIFIED |
| ERElemetal Refining LLC | Jackson | — | ◇ UNVERIFIED |
| EAEmc Ashtabula INC (0204010003) | Ashtabula | — | ◇ UNVERIFIED |
| ETEnergy Transfer | Carrollton | — | ◇ UNVERIFIED |
