The Water Experts at Culligan Welcome You! We are Culligan’s largest dealership with 19 locations throughout the United States. Click here for the dealer nearest you. For 70 years, we have led the water treatment industry in innovation and service. No other company compares. We offer the largest variety of superior water and water treatment products available for your home or business/commercial. Plus Culligan products are built to last. They are backed by a 100% satisfaction guarantee ? and the best trained and experienced service technicians in the industry. Contact us now to enjoy the best water and service available. Just say ? Hey Culligan Man!