Every day, millions of people and thousands of companies rely on Siemens Water Technologies to help them meet their needs for clean water. Through our time-tested brands like Illinois Water Treatment, Envirex, Permutit, S......Every day, millions of people and thousands of companies rely on Siemens Water Technologies to help them meet their needs for clean water. Through our time-tested brands like Illinois Water Treatment, Envirex, Permutit, Stranco, Wallace & Tiernan, Zimpro, Memcor, and many more, we deliver cost-effective, reliable systems and services to municipal, institutional, and industrial customers worldwide.