Water
- Boiler Water Treatment
- Cooling Water Treatment
- Membrane Treatment
- Raw Water/Potable Water Preparation
- Wastewater Treatment
Contact Information
Global Nalco LocationsLocal Sales Offices
Energy Services Contacts
Nalco Company
Corporate Headquarters
1601 W. Diehl Road
Naperville, Il 60563-1198
630-305-1000 Phone
630-305-2900 Fax
Nalco Energy Services Headquarters
7705 Highway 90-A
Sugar Land, TX 77478
281-263-7000 Phone
Nalco's Essential Expertise for Water
As a global leader in water management technologies for more than 80 years, we have the most comprehensive understanding in the industry of managing this resource effectively and meeting your sustainability and energy savings needs. Proper water treatment improves your bottom line results, and also provides wide-ranging environmental benefits, including cleaner water to use and air to breathe, as well as reductions in solid waste. Additionally, our total cost of operation view is essential to optimizing both your economic and environmental performance.
Water Treatment for Refineries & Petrochemical Plants
Nalco leads the industry in water management for refineries and petrochemical plants. We have delivered solutions to solve our customers’ toughest water challenges since 1928. Today, we have more advanced technologies in the field and our R&D pipeline than ever before. Our innovative solutions help customers reduce costs, increase productivity, conserve water and energy, and meet environmental requirements. When it comes to pretreatment, cooling towers, boilers and wastewater, Nalco is the global leader in transforming problems into opportunities.

