Nalco Company

Nalco is the world’s leading water treatment and process improvement company, delivering significant environmental, social and economic performance benefits to our customers. We help our customers reduce energy, water and other natural resource consumption, enhance air quality, minimize their environmental releases and improve their productivity and end products while boosting their bottom line. More than 11,500 Nalco employees operate in 130 countries supported by a comprehensive network of manufacturing facilities, sales offices and research centers to serve a broad range of end markets. In 2007, Nalco achieved sales of more than $3.9 billion. For more information visit


1601 West Diehl Road
Naperville, IL 60563-1198
Phone: 630-305-1000
Fax: 630-305-2947

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