Nalco Company is the world’s leading water treatment and process improvement company, delivering significant environmental, social and economic performance benefits to a variety of industrial and institutional customers. Our programs and services are used in water treatment applications to prevent corrosion, contamination and the buildup of harmful deposits and in production processes to enhance process efficiency, extend asset life, improve our customers' end products, and enhance air quality. We help our customers reduce energy, water and other natural resource consumption, minimizing environmental releases while boosting the bottom line. Together our comprehensive solutions contribute to the sustainable development of customer operations.

Through our sales, service, research and marketing team of more than 7,000 technically trained professionals, we serve more than 70,000 customer locations in more than 130 countries. We focus on providing our customers with sustainable, technologically advanced, engineered solutions and services.