Since 1977, Chlorinating Ltd. has provided water chlorination to Chicago and the surrounding areas. We’re the leading contract in the water purification and disinfection fields. We provide a full range of water chlorination, water sterilization and water testing services to commercial customers. Chlorinating Ltd. is your number one resource for water chlorination in Chicago. We can handle any size job. We perform every job with professionalism and respect. We are members of the American Water Works Association and the Underground Contractors Association of Illinois. We respond promptly to all questions and can offer you a quote quickly. Call us today!