Compass Minerals is a leading global provider of essential minerals, including salt, sulfate of potash and magnesium chloride. We also provide secure records storage in a retired section of an underground mine in the U.K. And we’re supporting the wildfire industry with our next-generation fire retardants. Products from Compass Minerals serve a variety of applications in consumer, industrial, chemical and agricultural markets.

MAGNESIUM CHLORIDE

Compass Minerals is the largest U.S. producer of magnesium chloride.

NEXT-GEN FIRE RETARDANTS

Our Fortress next-generation, long-term fire retardants are a proprietary formulation of magnesium chloride-based aerial and ground fire retardants.

PLANT NUTRIENTS

Compass Minerals provides plant nutrients for improved yield and consistent crop quality.

SALT

We’re the leading salt producer in North America and the United Kingdom.

SUSTAINABLE STORAGE

Our DeepStore Records Management reflects our focus on sustainability.