Proudly serving the Chicagoland region for 19 years

About us

Servicing the Chicagoland region, Jo-Nan Plumbing Backflow Testing is a family owned and operated full service plumbing company specializing in backflow testing, installation, service, and repair. For 20 years, they have worked with business owners, property management companies, and homeowners providing top quality work and fair, competitive pricing.

Areas served

We proudly serve the Chicago metropolitan area including Bloomingdale, Addison, Wood Dale, Schaumburg, Roselle, Glendale Heights, Carol Stream, Wheaton, West Chicago, St. Charles, Elgin, Wilkins, and more.


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