Aquion, Inc.

ManufacturingIllinois, United States51-200 Employees

Aquion, Inc. is a Roselle, Illinois-based manufacturer of premium water treatment equipment and water quality solutions with a history dating to 1943. The company serves residential and commercial customers worldwide, offering a range of devices for improving water quality, including water conditioners, iron and carbon filtration, drinking-water purification, and ozone and ultraviolet disinfection systems, along with reverse osmosis and acid neutralizers. Its products carry certifications from NSF, WQA, and UL, and its Roselle facility operates under ISO 9001-2008. 

Aquion's operations are organized around divisions such as Rain Soft, Erie Water Treatment, Clearwater Technology, Optipure, and Procam, and the company runs manufacturing sites in Roselle, San Luis Obispo, Olen, and Plano. In 2019, Pentair PLC acquired Aquion, marking a significant change in ownership and corporate direction.

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