What is "culligan"

Culligan is an international water treatment products company headquartered in Rosemont, Illinois. Culligan specializes in water softeners, water filtration systems and bottled water for residential and office applications.

The company currently has over 600 dealers in the United States and Canada and sells its products in more than 90 countries. Its main competitors are a division of Veolia STI: Aquadem, and BWT in Europe.