Greenway LS Drainage Systems
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Plumbing firm in Green Bay, Wisconsin, offering sump pump installation, replacement and drain cleaning for basements at risk of flooding, plus boilers, water heaters and frozen pipes.
Sump work is the core of the listing: the firm installs and replaces pumps, clears discharge lines and adds backup battery systems for basements that take on water. Drain cleaning sits alongside it, and its plumbers also handle boilers, water heaters and frozen pipes. Both homes and commercial properties are served. Founded in 1946, the company has a long record in the Green Bay area, and its crews work across Green Bay, De Pere, Ashwaubenon and Suamico. Service runs on weekdays during daytime hours.
Listed under Basement flooding and sewer backup
Checked 12 Nov 2026, from public sources.
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