Top 10 Sewage Cleanup & Biohazard Companies in Wisconsin (2026)

Published: May 30, 20262026607 words3 min read

Key Takeaways

10 sewage & biohazard firms in Wisconsin qualified for this ranking based on verified data from public sources (BBB, Google, IICRC, EPA, Yelp, Angi, HomeAdvisor).
The top firm in this ranking is ServiceMaster Specialty Restoration Services, with a MetaScore of 88/100.
Every firm here carries at least one publicly verifiable signal — no firm appears in this article without a cited source.
This list is filtered to firms that explicitly offer sewage & biohazard services. Multi-discipline firms appearing here have that service confirmed on their website or in their public certifications.
Methodology is published in full at restorationindex.com/methodology. Firms can request a correction at restorationindex.com/contact.

Sources cited in this article: Better Business Bureau, Institute of Inspection, Cleaning and Restoration Certification, U.S. Environmental Protection Agency, Google, Yelp, Angi, HomeAdvisor, and Restoration Index.

Based on aggregated public-source data from BBB Business Profiles, Google Business Profile reviews, IICRC certified member directory, EPA Lead-Safe registry, Yelp, Angi Super Service Award lists, and HomeAdvisor recognition, here are the top-ranked sewage & biohazard firms in Wisconsin. Each firm receives a 0-100 Restoration Index MetaScore weighted across 9 sources.

Top 10 Sewage Cleanup & Biohazard Companies in Wisconsin — Ranked by Multi-Source MetaScore

ServiceMaster Specialty Restoration Services (Green Bay, WI) — MetaScore 88/100. 4.7-star Google rating across 116 reviews. BBB A+ accredited. IICRC certified. EPA Lead-Safe. founded 1996. Read the full review.
SERVPRO of South Kenosha County (Kenosha, WI) — MetaScore 88/100. 4.9-star Google rating across 172 reviews. BBB A+ accredited. founded 2013. Read the full review.
Midwest Restoration LLC (Green Bay, WI) — MetaScore 86/100. 4.8-star Google rating across 237 reviews. BBB A+ accredited. IICRC certified. founded 2008. Read the full review.
ServiceMaster of Racine (Kenosha, WI) — MetaScore 86/100. 4.5-star Google rating across 67 reviews. BBB A+ accredited. founded 1996. Read the full review.
SERVPRO of Racine County (Kenosha, WI) — MetaScore 85/100. 4.7-star Google rating across 62 reviews. BBB A+ accredited. Read the full review.
Superior 24/7 Restoration Inc. (Kenosha, WI) — MetaScore 85/100. 4.9-star Google rating across 62 reviews. BBB A+ accredited. founded 2011. Read the full review.
Minorik Mitigation (Kenosha, WI) — MetaScore 82/100. 5.0-star Google rating across 32 reviews. BBB A+ accredited. founded 2014. Read the full review.
PuroClean of Green Bay (Green Bay, WI) — MetaScore 81/100. 4.9-star Google rating across 107 reviews. BBB A+. IICRC certified. founded 2016. Read the full review.
SERVPRO of Southeast Milwaukee, Southeast Waukesha County (Milwaukee, WI) — MetaScore 81/100. 4.6-star Google rating across 82 reviews. BBB A+ accredited. IICRC certified. founded 2011. Read the full review.
CCS Property Services, LLC (Green Bay, WI) — MetaScore 74/100. 4.4-star Google rating across 32 reviews. BBB A+. founded 1991. Read the full review.

Top sewage & biohazard firms in Kenosha

SERVPRO of South Kenosha County leads Kenosha with a MetaScore of 88/100 and 172 Google reviews. Other top-ranked firms in Kenosha include ServiceMaster of Racine (MetaScore 86/100), SERVPRO of Racine County (MetaScore 85/100), and Superior 24/7 Restoration Inc. (MetaScore 85/100).

Top sewage & biohazard firms in Green Bay

ServiceMaster Specialty Restoration Services leads Green Bay with a MetaScore of 88/100 and 116 Google reviews. Other top-ranked firms in Green Bay include Midwest Restoration LLC (MetaScore 86/100), PuroClean of Green Bay (MetaScore 81/100), and CCS Property Services, LLC (MetaScore 74/100).

Frequently Asked Questions

How is the Restoration Index MetaScore calculated?

The MetaScore is a weighted average of nine normalized component scores: Google Business Profile reviews (25%), BBB rating + complaint history (20%), IICRC certification (12%), EPA Lead-Safe registry (8%), years in business (10%), Yelp reviews (10%), Angi Super Service Award (5%), HomeAdvisor Top Rated (5%), and regional industry awards (5%). Firms with sparse data have weights redistributed proportionally across the sources we did find. Full methodology at restorationindex.com/methodology.

Who is the top-ranked sewage cleanup & biohazard company in Wisconsin?

As of May 2026, ServiceMaster Specialty Restoration Services ranks #1 in Wisconsin for sewage cleanup & biohazard with a MetaScore of 88/100. The full ranking and per-firm breakdowns appear below.

How often is this list updated?

Firm-level data (reviews, BBB ratings, certifications) is refreshed every 30 to 90 days depending on the source. Awards and recognition fields refresh annually. The "Last refreshed" date below the article header reflects the most recent data refresh for this article.

Can firms pay to be included or ranked higher?

No. Restoration Index does not accept paid placement. The MetaScore is calculated identically for every firm in the index, whether or not they have any commercial relationship with Pleiades Consultancy (the publisher of this site). The methodology is published in full so firms can audit how the calculation works.

What if a firm I trust is missing from this list?

Coverage is rolling out city by city. If a firm meets our inclusion criteria (operating in the named region, offering sewage cleanup & biohazard services, with at least one verifiable public signal), they will appear in future refreshes. Firms can also reach out via restorationindex.com/contact to request inclusion.

Sources & Further Reading

Every claim in this article is backed by at least one of the following third-party sources. Linked out to the publisher so you can audit the original.