Compass Minerals’ Salt Segment mines, produces, processes and distributes sodium chloride and magnesium chloride in North America and the U.K. The segment’s largest business is highway deicing, which primarily sells bulk rock salt to states, provinces, counties, municipalities and road maintenance contractors for ice control on public roadways. The highway deicing product line also includes flake and liquid magnesium chloride used for deicing and dust control; treated rock salt treated for deicing in very low temperatures; and rock salt for the chlor-alkali industry.