CALCO is a full service water perfection provider serving science and industry since 1969. We provide a full line of water purification equipment, services and supplies to supply intergrated system solutions for every high purity water needs.

Intergrated system designs incorporate leading edge technology like filtration, ion exchange, reverse osmosis, ultraviolet sterilization, microfiltration and others provide complete pure water management to meet every need.

CALCO services Science and Industry with high purity water service. From portable exchange DI service to sophisticate high purity water systems to meet any ultra pure water requirements.

You can depend on CALCO for your high purity water needs from design and engineering, manufacturing, service, installation and complete system management.

Our sister company WATER ONE, INC. specializes in Premium Purified Bottled Water products for home and commercial delivery, wholesale and private label for marketing and advertising purposes. We are operating two state-of-the-art bottling facilities in Illinois and Florida. Refer to the Bottled Water section for a link to the WATER ONE, INC. web site.”

Our experience Engineering and Sales Consultants team is standing ready to serve you. Call today for a free consultation 630-539-1800.