CSI Water Treatment Systems - a division of Chandler Systems Inc.

Located in Ashland, Ohio, where it was founded in 1995, CSI Water Treatment Systems is a division of Chandler Systems, Inc., a family of companies with decades of experience bringing new and innovative technologies and products to the water treatment industry. Our CSI Water team is dedicated to improving water quality through the development of water treatment products, design engineering services and educational programs to provide the utmost in quality and support for our valued customers.