Compass Minerals International, Inc., through its subsidiaries, produces and markets inorganic mineral products primarily in North America and the United Kingdom. It operates in two segments, Salt and Specialty Fertilizer. The Salt segment mines, produces, processes, distributes, and market sodium chloride and magnesium chloride for use in road deicing and dust control, food processing, water softeners, pool salt, and agricultural and industrial applications. This segment also purchases potassium chloride and calcium chloride to sell as finished products or to blend with sodium chloride to produce specialty products. The Specialty Fertilizer segment provides sulfate of potash, primarily used in the production of specialty fertilizers for vegetables, fruits, potatoes, nuts, tobacco, and turf grass. This segment serves growers and fertilizer distributors worldwide. The company also produces and markets consumer deicing and water conditioning products, ingredients used in consumer and commercial food preparation, and other mineral-based products for consumer, agricultural, and industrial applications. In addition, it provides records management services to businesses located in the United Kingdom. Compass Minerals International operates rock salt mines in Goderich, Ontario, Canada; and Winsford in Northwest England, the United Kingdom. It primarily serves producers of intermediate chemical products used in the production of vinyls and other chemicals, and pulp and paper, as well as water treatment and other industrial uses; and markets its products through direct sales personnel, contract personnel, and a network of brokers or manufacturers' representatives. The company, formerly known as Salt Holdings Corporation, was founded in 1993 and is headquartered in Overland Park, Kansas.