Top 9 Car Wash Chains in Janesville
Janesville-Beloit, WI
Data updated · May 22, 2026
The largest car wash operators in the Janesville metro by location count, drawn from 78 car washes across the Janesville-Beloit, WI CBSA. 9 chain operators total alongside 55 independent or single-location sites.
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Kwik Trip
6 sites in Janesville · 701 reviews · 4.33 - Full profile🥈2
Mr. Splash Car Wash
4 sites in Janesville · 1,517 reviews · 4.43 - 🥉3
Super Wash
4 sites in Janesville · 511 reviews - Full profile4
Auto Spa
3 sites in Janesville · 148 reviews - 5
Woodman's Gas Station
2 sites in Janesville · 5,374 reviews · 4.50 - 6
Mr D Car Wash
1 site in Janesville · 11 reviews - Full profile7
Club Car Wash
1 site in Janesville · 130 reviews - 8
Shell
1 site in Janesville · 95 reviews - 9
bp
1 site in Janesville · 25 reviews
The Janesville car wash chain landscape is moderately concentrated, with the top-3 chains (Kwik Trip, Mr. Splash Car Wash, Super Wash) holding 60.9% of chain-affiliated locations. Across the full metro, 70.5% of all car washes operate as independents or single-location operators (55 of 78 sites) — an independent-heavy market where chains haven't pushed mom-and-pop competition out.
About the Janesville car wash market
Which car wash chain has the most locations in Janesville?
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About this ranking
Chains ranked by total location count inside the Janesville-Beloit, WI CBSA, computed from a point-in-polygon test against the official US Census county boundaries (TIGER/Line, 2024). Each chain is identified via the WashIndex per-location chain assignment.
See the full Janesville car wash market analysis for every car wash, format mix, customer-experience signals, and county breakdown.