Local directory · Alton, IL

Plumbers in Alton, IL

Written & reviewed by Founder, SEO Local · 22 years in SEO · Updated October 2026 · LinkedIn

The US Census (County Business Patterns) counts 92 plumbers in Madison County, IL. Below are the 9 mapped by name from Google — 9 list a phone number and 8 link a website. Every listing here is free, and any owner can claim their page on the hashtag.org network.

Plumbers directory · Alton

Data: Listings via Google

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Local news · Plumbers · Alton

Plumbers in Alton — FAQ

How many plumbers are in Alton, IL?
The US Census (County Business Patterns) counts 92 plumbers establishments in Madison County, IL. 9 are mapped by name in this directory.
How many of these plumbers list contact details?
Of the 9 plumbers mapped here, 9 list a phone number and 8 link a website.
Is this Alton plumbers directory free?
Yes. Every listing is built from authoritative data — US Census County Business Patterns and Google — and any business can claim its page on the hashtag.org network at no cost.

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