Compass Minerals International, Inc. produces and markets salt, sulfate of potash specialty fertilizer (SOP), plant micronutrients, and magnesium chloride primarily in North America and the United Kingdom. Its Salt segment mines, produces, processes, distributes, and markets sodium chloride and magnesium chloride for use in highway and consumer deicing, dust control, water conditioning, consumer and industrial food preparation, and agricultural and industrial applications; and purchases potassium chloride and calcium chloride to sell as finished products or to blend with sodium chloride to produce specialty products. This segment offers rock salt, mechanically evaporated and solar evaporated salt, and brine and flake magnesium chloride products to 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’s Plant Nutrition segment provides SOP, which is used as an ingredient in specialty fertilizer blends for chloride-sensitive crops and turfs under the Protassium+ brand name; and develops and distributes micronutrient products under the Wolf Trax brand. 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; and offers records management services to businesses located in the United Kingdom. It operates rock salt mines in Goderich, Ontario, Canada; Cote Blanche, Louisiana, the United States; and Winsford, Cheshire, the United Kingdom. The company was formerly known as Salt Holdings Corporation and changed its name to Compass Minerals International, Inc. in December 2003. Compass Minerals International, Inc. was founded in 1993 and is headquartered in Overland Park, Kansas.