Compass Minerals International, Inc is a United States listed public company that, through its subsidiaries, is a leading producer of minerals, including salt, magnesium chloride, sulfate of potash and other plant nutrition products. Based in Kansas City, the company provides bulk treated and untreated highway deicing salt to customers in North America and the United Kingdom and plant nutrition products to growers worldwide. Compass Minerals also produces consumer deicing and water conditioning products, consumer and commercial culinary salt, and other mineral-based products for consumer, agricultural, and industrial applications. In addition, Compass Minerals provides records management services to businesses throughout the United Kingdom. Compass Minerals is the biggest: In 2012, Compass Minerals had total sales of $942 million and ended the year with market capitalization of just $2.5 billion. The company is part of the S&P MidCap 400 Index, the Russell 1000 Index and was included in Fortune magazine’s 2010 listing of the “100 Fastest-Growing Companies.” Though the company’s history stretches back as far as 1844, Compass Minerals became a public company following its initial public offering in December 2003.