Haas Sons, Inc.
WESTON, Wisconsin · Water & Sewer Line Construction (NAICS 237110) · ~305 employees on site
- Recent OSHA inspection (within 12 months)
Safety record at a glance
Haas Sons, Inc. is a Wisconsin-based employer with 34 OSHA inspections on file (covering 2015-2025). Across those inspections, OSHA cited 19 violations, with a total of $40,051 in federal penalties assessed.
Inspection & violation trend
Year-by-year activity, citations issued, and reported workplace incidents.
Hover any year for detail. Counts reflect inspections, citations, and accidents on file at OSHA — final dispositions and amounts may change after appeals or settlement.
Research Haas Sons, Inc.
All OSHA inspections at Haas Sons, Inc.
7 inspections with citations, 27 closed clean or still open. Click any inspection for the full citation list.
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How to read this record
An OSHA inspection record describes federal enforcement activity — it does not capture every workplace safety event at a company. A few caveats:
OSHA Violations Tracker indexes inspections opened on or after 2021-01-01. Older history is at OSHA’s establishment search.
OSHA records are keyed by physical establishment, not parent company. A large employer may operate many sites across states.
Many inspections close with no violations — that’s a positive signal, not a missing data row.
Final amounts may differ after informal conferences or settlement. We show what OSHA has on file today.
Full methodology, scoring details, and known limitations: /methodology.
Frequently asked questions about Haas Sons, Inc.
Haas Sons, Inc. earned a A safety grade (97/100) — strong record. The grade reflects severity of past citations, accident history, and how recent the most-recent inspection is. See the methodology for the full scoring algorithm.
Cross-check with OSHA directly
All data on this page comes from the U.S. Department of Labor Open Data Portal, which publishes the OSHA Integrated Management Information System (IMIS). For the authoritative record, search OSHA directly:
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