Siemens Water Technologies utilizes Intelex's Integrated Management System. In August 2004, USFilter became part of the Siemens family of companies. Siemens has positioned USFilter as the cornerstone for the new Siemens Water Technologies global business. Through time-tested brands like Illinois Water Treatment, Envirex, Permutit, Stranco, Wallace & Tiernan, Zimpro, Memcor, and many more, Siemens Water Technologies delivers cost-effective, reliable systems and services to municipal, institutional, and industrial customers worldwide.