Elgressy is an Israeli market leader in developing and manufacturing innovative electrochemical systems for water and wastewater treatment.Our systems are ecological, economical and operationally beneficial for cooling towers, Legionella prevention, corrosion remediation and wastewater treatment/pre-treatment.Elgressy systems have been adopted by multi-national corporations and institutions including Volvo, Mercedes, Weizmann Institute of Science, Teva, Hilton, the UN, etc.