Headquartered in Rosemont, Illinois, Culligan International offers technologically advanced, state-of-the-art water filtration products, including water softeners, water filtration systems, industrial water treatment solutions, drinking water systems, and whole-house filtration systems. Starting with a water analysis and a review of system requirements, the Sales Representative can help customers increase the life span of their equipment, save money on water treatment chemicals, reduce downtime, and enhance water quality.