Compass Minerals International, Inc., through its subsidiaries, engages in the production and marketing of inorganic mineral products in the United States, Canada, and the United Kingdom. The company operates in two segments, Salt and Specialty Fertilizer. The Salt segment produces salt 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 sells as a finished product. The Specialty Fertilizer segment produces and markets potash crop nutrients and industrial grade sulfate of potash which are used in the production of specialty fertilizers for vegetables, fruits, tea, potatoes, nuts, tobacco, and turf grass. The company operates a rock salt mine located in Goderich, Ontario; and the salt mine located in Winsford, 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. The company markets its products through a direct sales force, and a network of brokers. It was formerly known as Salt Holdings Corporation and changed its name to Compass Minerals International, Inc. in November 2003. Compass Minerals International was founded in 1993 and is headquartered in Overland Park, Kansas.