Barretts 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. The company s 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. Barretts conducts manufacturing, talc mining, processing and grinding services for its customers. Barretts Minerals is headquartered in Dillon, Mont.