Robert B. Ruhstorfer

Aquion Partners L.P. manufactures residential and commercial water treatment equipment. The firm's products include whole-house water conditioning systems, drinking water systems & filters designed to remove particular contaminants that detract from water's taste and odor. Its clients include Allstate , Dow Chemical, Ford Motor, Holiday Inn and Underwriters Laboratories. The company is headquartered in Elk Grove Village, IL.

Water Quality Association provides water treatment services for residential, commercial, and industrial clients. The private company is based in Lisle, IL and offers these services for charity.

Aquion, Inc. manufactures and markets water treatment equipment. Its products include water conditioners, iron and carbon filters, drinking-water purifiers, ozone and ultraviolet disinfection systems, reverse osmosis systems, and acid neutralizers. The company was founded in 1953 and is headquartered in Roselle, IL.