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Technology Companies



Elgressy Engineering Services Ltd. has been active in the field of water treatment for over 30 years and has thousands systems installed worldwide.


Elgressy develops and markets electrolysis systems to protect the interior of water piping and tanks against corrosion and scale (in cooling towers, industrial processes cooling, cold and hot water), for the enhancement of well water, for organic and oily waste water and Silica removal. The technology developed by the company eliminates the need for the use of chemicals in water treatment, thus rendering it environment friendly.


The company also specializes in cathodic protection for underground pipes water, fuel and gas lines and tanks, against corrosion.

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