HarbisonWalker HarbisonWalker (HWI, formerly known as ANH Refractories) is a supplier of refractory products and services. | ![]() SMT Scharf SMT Scharf is a company that develops, supplies, installs, and maintains systems for the transport of personnel, equipment, and material for underground mining and tunnel construction. | |
Founding Date | Founding Date 1865 | Founding Date 1941 |
Type | Type Private | Type Public |
Tags | ||
Locations | Locations Pittsburgh, US HQ Acton, CA Smithville, CA Guadalajara, MX Salinas Victoria, MX Tlalnepantla De Baz, MX see more | Locations Hamm, DE HQ |
Employees | Employees 788 | Employees 4122% decrease |

SMT Scharf is a company that develops, supplies, installs, and maintains systems for the transport of personnel, equipment, and material for underground mining and tunnel construction.
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