Compass Minerals' highway deicing business primarily sells rock salt to governments in the Great Lakes region and the Mississippi and Ohio River valleys in North America and in the United Kingdom. We also produce magnesium chloride, which is used as a de-icer in winter and for dust control during the summer, and rock salt for chemical manufacturers year-round.

The public safety responsibility of keeping roadway surfaces clear of ice and snow means rock salt is a non-discretionary purchase for government authorities, making demand for highway deicing salt largely resistant to economic cycles.

Compass Minerals' highway deicing business enjoys important sustainable competitive advantages, including larger mines with thicker mineral deposits that make mining more productive and efficient; easy access to low-cost water transport on the Great Lakes and inland waterways; a strategic network of approximately 75 storage and distribution depots, primarily located on the Great Lakes and the Mississippi and Ohio River systems; and mining assets that can be expanded to meet growing demand.

Map of depot locations

North American Salt Company
Sifto Canada Corp.
Salt Union Ltd.