Petrochemical Applications
Contact Information
Global Nalco LocationsLocal Sales Offices
Energy Services Contacts
Nalco Company
WPS 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
Nalco’s industrial water treatment programs help plants operate boilers, cooling towers and wastewater systems operate more safely and efficiently while enjoying water and energy savings.
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.

