Specialty Minerals is a subsidiary of Minerals Technologies, a resource- and technology-based organization that develops and produces performance-enhancing minerals, mineral-based and synthetic mineral products for the paper, steel, polymer, health care and other manufacturing industries on a worldwide basis. Its research teams are headquartered in Pennsylvania where more than 140 scientists, engineers and technicians investigate new technologies, products and applications. Many of these scientists hold doctoral degrees in inorganic, organic and colloid chemistry; chemical engineering; paper science; and fine particle technology. Specialty Minerals is a leading worldwide producer and supplier of precipitated calcium carbonate. SMI also mines and processes high-quality lime and limestone and pure talc for use in building products, paints, coatings, ceramics, polymers and automotive catalytic converters. Specialty Minerals has a location in Bethlehem, Pa.