At Culligan, we understand how important water is to you & your family. Which is why when you trust Culligan with your water needs, we promise to deliver one thing: better water, pure and simple.® Founded in 1936, Culligan has been the recognized leader in water treatment for over 70 years. Culligan serves over 90 countries, making us the world's water expert. With over 700 Culligan Dealers in North America,we know the water conditions in our community and understand which solutions will work for our customers. We provide the Innovation, technology, solutions and satisfaction you deserve! Contact Ising's Culligan for quality water and service! Serving the following Counties: Alameda, Contra Costa Towns: Alameda, Antioch-Pittsburg, Berkley, Central Contra Costa, Fremont, Hayward, Livermore-Pleasanton, Oakland, Tassajara, West Contra Costa