![]() Vesuvius USA Vesuvius USA is a company that designs, engineers, manufactures, and delivers refractory products, systems, and services. | ![]() Minerals Technologies Minerals Technologies Inc. (MTI) is a specialty minerals company that develops, produces, and markets mineral and mineral-based products, related systems, and services. | HarbisonWalker HarbisonWalker (HWI, formerly known as ANH Refractories) is a supplier of refractory products and services. | |
Founding Date | Founding Date 1966 | Founding Date 1968 | Founding Date 1865 |
Type | Type Subsidiary | Type Public | Type Private |
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Locations | Locations Champaign, US HQ Charleston, US Chicago Heights, US Coraopolis, US Graham, US Philadelphia, US Pittsburgh, US see more | Locations New York, US HQ Brisbane, AU Pucking, AT São José Dos Campos, BR Pointe Claire, CA Beijing, CN Shanghai, CN see more | Locations Pittsburgh, US HQ Acton, CA Smithville, CA Guadalajara, MX Salinas Victoria, MX Tlalnepantla De Baz, MX see more |
Employees | Employees 556 | Employees 3,7823% decrease | Employees 788 |

Minerals Technologies Inc. (MTI) is a specialty minerals company that develops, produces, and markets mineral and mineral-based products, related systems, and services.
View companyHarbisonWalker (HWI, formerly known as ANH Refractories) is a supplier of refractory products and services.
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