| CCCleveland-cliffs Cleveland Works | Cleveland | 500+ | ● ACTIVE |
 Brost Cleveland LLC | Cleveland | — | ● ACTIVE |
 Enprotech Industrial Technologies LLC | Cleveland | — | ● ACTIVE |
 Galvanix INC. | Cleveland | — | ● ACTIVE |
 Keystone Bolt & Nut Company | Cleveland | — | ● ACTIVE |
 Thompson Aluminum Casting CO. | Cleveland | — | ● ACTIVE |
| ABAmerican Bronze Corporation | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| AIAlcon Industries, INC. (1318007755) | Cleveland | — | ◐ LIKELY ACTIVE |
| OAOhio Aluminum Industries INC. | Cleveland | 100–499 | ◐ LIKELY ACTIVE |
| SWSteel Warehouse of Ohio LLC | Cleveland | — | ◐ LIKELY ACTIVE |
| SWSteel Warehouse of Ohio LLC | Cleveland | — | ◐ LIKELY ACTIVE |
| ADAdalet Division of Scott Fetzer | Cleveland | — | ◇ UNVERIFIED |
| VWVictory White Metal CO | Cleveland | — | ◇ UNVERIFIED |
| BEBrothers Equipment, INC. | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| VIVwm-republic, INC. | Cleveland | — | ◐ LIKELY ACTIVE |
| WCWorthington-Samuel Coil Processing Cleveland West | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| ASAleris Specialty Products INC | Cleveland | — | ◇ UNVERIFIED |
| APAmerican Processing LLC | Cleveland | — | ◇ UNVERIFIED |
| APAvalon Precision Casting Company LLC | Cleveland | — | ◇ UNVERIFIED |
| CSCharter Steel Cleveland INC (1318007658) | Cleveland | — | ◇ UNVERIFIED |
| CHCsm Horvath Dba Brost Foundry Company | Cleveland | — | ◇ UNVERIFIED |
| KSKilroy Structural Steel CO | Cleveland | — | ◇ UNVERIFIED |
| KCKindt-collins CO | Cleveland | — | ◇ UNVERIFIED |
| MAMagnesium Aluminum CORP | Cleveland | — | ◇ UNVERIFIED |
| RSRemelt Services INC | Cleveland | — | ◇ UNVERIFIED |
| RRRiver Recycling Industries INC | Cleveland | — | ◇ UNVERIFIED |
| SSSamuel Steel Pickling CO * | Cleveland | — | ◇ UNVERIFIED |
| SVSherwood Valve LLC | Cleveland | — | ◇ UNVERIFIED |
| TFT&b Foundry Company | Cleveland | — | ◇ UNVERIFIED |
| VWVictory White Metal | Cleveland | — | ◇ UNVERIFIED |
| WAWabash Alloys | Cleveland | — | ◇ UNVERIFIED |
| WIWorthington Industries (formerly Heidtman Steel Products) | Cleveland | — | ◇ UNVERIFIED |
| AIAlcon Industries, INC. | Cleveland | — | ◐ LIKELY ACTIVE |
| CCCleveland-Cliffs Corporate Cleveland - Corporate | Cleveland | 1–19 | ◐ LIKELY ACTIVE |
| CSCliffs Steel INC | Cleveland | — | ◐ LIKELY ACTIVE |
| MSMonarch Steel Company, Inc. | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| OOPTA-Cleveland | Cleveland | 1–19 | ◐ LIKELY ACTIVE |
| PMPremium Metals, Inc. | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| ASAk-isg Steel Coating CO | Cleveland | — | ◇ UNVERIFIED |
| AArcelormittal | Cleveland | — | ◇ UNVERIFIED |
| ACArcerlormittal Cleveland LLC | Cleveland | — | ◇ UNVERIFIED |
| BABasic Aluminum Casting CO. | Cleveland | — | ◇ UNVERIFIED |
| BHBrost Holdings LLC | Cleveland | — | ◇ UNVERIFIED |
| CMCharter Manufacturing Company, INC. | Cleveland | — | ◇ UNVERIFIED |
| LILg Industrial Supply, LLC | Cleveland | — | ◇ UNVERIFIED |
| PFPrototype Fabricators Co. | Cleveland | — | ◇ UNVERIFIED |
| WIWorthington Industries | Cleveland | — | ◇ UNVERIFIED |
| WSWorthington Samuel Coil Processing, LLC. (1318007554) | Cleveland | — | ◇ UNVERIFIED |
