Local directory · Janesville, WI

General Contractors in Janesville, WI

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

There's 46 general contractors listed in Rock County, WI according to US Census (County Business Patterns). Below you'll find 20 of them by name - 19 have a phone number and 17 are linked to a website. All listings here are free, so any owner can claim their page on the hashtag.org network.

General Contractors directory · Janesville

Data: Listings via Google

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Local news · General Contractors · Janesville

General Contractors in Janesville — FAQ

How many general contractors are in Janesville, WI?
There's a total of 46 general contracting company locations in Rock County, Wisconsin as per the U.S. Census (County Business Patterns). We've been able to map out and list 20 of them here.
How many of these general contractors list contact details?
Out of the 20 general contractors listed on this page, 19 provide their contact numbers and 17 have linked to a website.
Is this Janesville general contractors directory free?
Each of our listings comes from trusted sources like US Census County Business Patterns and Google - and any company can create an account for their page with us on hashtag.org without having to pay anything.

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