About Minerals Technologies Inc. New York-based Minerals Technologies Inc. (MTI) is a leading, technology-driven specialty minerals company that develops, produces, and markets a broad range of mineral and mineral-based products, related systems, and services. MTI serves globally a wide range of consumer and industrial markets, including household, food and pharmaceutical, paper, packaging, automotive, construction, and environmental. The company reported global sales of $2.1 billion in 2022. For further in ...