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Our Businesses

Diverse corporations worldwide look to us to deliver customized solutions and services. Harnessing innovative water, hygiene and process technologies and services, we help our customers reduce operational costs, improve product quality, enhance profitability and conserve natural resources. 

Nalco Water, Who We Are

A global leader in water and process management solutions, Nalco Water, an Ecolab company, works with customers across a wide range of industries to help meet their specific sustainability and business goals. With a presence at more than 100,000 customer sites, our solutions combine connected chemistry, digital innovation and extensive expertise to minimize water and climate impacts while maximizing outcomes at an optimized total cost. Our network of more than 50,000 connected water performance systems fuels over 90 billion data points each year, allowing us to provide our customers with insights, actions and value across their entire operation. As an Ecolab company, we’re aligned with our corporate ambition to make the world cleaner, healthier and safer by providing and protecting what’s vital.


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Industrial Water Treatment Systems

Our water expertise is unrivaled as is our partnership with customers to solve their toughest challenges. We work with a wide range of businesses from commercial buildings, food processing, automotive, power generation, chemicals and primary metals to process industries like papermaking and mining.

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Light Institutional

Institutional customers trust Nalco Water for programs and services that help deliver water and energy savings and optimize asset life in even the most complex building water systems. As a global leader in water safety, we help protect public health through a holistic approach to Legionella risk management.

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Light Industries

Our Light Industries division serves a broad range of industries that demand reliable high performance using less water, energy, waste and cost. Customers in the Food & Beverage, Manufacturing, High Tech, Transportation and Textile Care segments count on us for end-to-end water management in utility and process systems.

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Heavy Industries

Our Heavy Water division serves a broad range of industries that demand reliable high performance using less water, energy, waste and cost. Customers in the Paper, Downstream, Chemicals, Mining, Power and Primary Metal Industry segments count on us for end-to-end water management in utility and process systems.