About Pretreatment Solutions

Nalco Pretreatment Solutions is part of the Nalco Water and Process Services Division.  Our division helps you reduce energy, water and other natural resource consumption, enhance air quality, minimize environmental releases and improve productivity and end products while improving your bottom line. 

Nalco Pretreatment Solutions is comprised of three broad areas of expertise:

• Systems for water treatment, which are available for purchase or to rent
• Services including DI exchange and preventive maintenance and break/fix for existing equipment
• Supplies/replacement parts for purchase through the Nalco eCommerce site to keep equipment operating at peak performance

Our Pretreatment Solutions History

The following is an overview of the companies included under Nalco’s Pretreatment Solutions area of business.

Crossbow Water

Based in Chicago region, Nalco-owned Crossbow Water serves the Midwest region with customized industrial water solutions. Services included renting, leasing, selling, servicing and maintaining a full line of water treatment equipment including: deionization; reverse osmosis; softening; iron filtration; depth filtration; ultra-filtration; ultra-violet sterilizers; automated controls and more for over 40 years.

CROSSLINK Manufacturing

Nalco-owned CROSSLINK manufactures OEM specializing in the design and construction of water treatment equipment including: a high quality standard products, packaged systems, custom engineered solutions and unique product development.

Res-Kem

In 2010, Nalco expanded its water pretreatment services and related specialty equipment capabilities with the acquisition of Res-Kem LLC. Based in the Philadelphia region, Res-Kem supplied water treatment services and equipment, including deionized water for over 30 years. Through the acquisition of Res-Kem, Nalco improved its ability to provide customers with the equipment, supplies and accessories for a total industrial water solution in markets throughout the Eastern United States.

Tenergy Christ

In 2011, Nalco further expanded its water pretreatment services and related specialty equipment capabilities in the Northeastern United States with the acquisition of Tenergy Christ. Based in the New Britain, Connecticut, Tenergy supplied water treatment services and equipment, including deionized water for over 20 years. Through the acquisition of Tenergy, Nalco improved its ability to provide customers with the equipment, supplies and accessories for a total industrial water solution in markets throughout the Eastern United States.

Cal Water

In 2012, Nalco further expanded its national coverage with the acquisition of Cal Water to serve the Western United States .  Cal Water has been selling, installing and servicing water purification systems for commercial, industrial and scientific applications in Southern California for over 60 years. Nalco Cal Water specialized in providing portable exchange deionized water systems to commercial and industrial customers in the Western region of North America. 

General Water

Originally a subsidiary of Res-Kem, General Water Services was created to better service the DI water customer base that Nalco Res-Kem developed. General Water maintained the ability to service and supply DI systems in the Northeast Region of the United States.