Tin-Mar Tin-Mar is a company that provides precision machining and sheet metal fabrication solutions. | ![]() Cleveland-Cliffs Steel Holding Cleveland-Cliffs Steel Holding (formerly known as AK Steel Holding) is a company that produces flat-rolled carbon, stainless, electrical, plate, tinplate, and long steel products. | |
Founding Date | Founding Date 1992 | Founding Date 1993 |
Type | Type Private | Type Subsidiary |
Tags | ||
Locations | Locations Huntsville, US HQ | Locations Cleveland, US HQ West Chester, US |
Employees | Employees 17 | Employees 17,884 |

Cleveland-Cliffs Steel Holding (formerly known as AK Steel Holding) is a company that produces flat-rolled carbon, stainless, electrical, plate, tinplate, and long steel products.
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