WANZEK CONSTRUCTION INC is a commercial and institutional building construction employer in ADAIR, IA. Federal records show 1 OSHA inspection with 2 violations and $18,000 in penalties. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 2, 2026.
WANZEK CONSTRUCTION INC
1120 WHITE POLE ROAD, ADAIR, IA, 50002
Parent: MASTEC INC (644 locations)
236220 — Top companies in Commercial and Institutional Building Construction
EIN: 450311915
66 employees
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
Labor Relations (NLRB)
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Inspection History
No inspection records found.
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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Part of a larger organization
WANZEK CONSTRUCTION INC is one of 644 establishments in our dataset that roll up under the parent organization MASTEC INC. MASTEC INC is a SEC public reporter (MTZ), with most recent reported revenue of $14.3B.
Federal enforcement records on WANZEK CONSTRUCTION INC represent activity at this specific establishment. The full enforcement footprint of MASTEC INC across all 644 of its tracked locations is viewable on the parent profile.
Other establishments operated by MASTEC INC
- STOUT CONSTRUCTION, LLC — MENOMONIE, WI — 3 federal records
- WILLIAM CHARLES CONSTRUCTION CO. — ROCKFORD, IL — 3 federal records
- William Charles Construction — Peoria, IL — 3 federal records
- WILLIAM CHARLES CONSTRUCTION COMPANY, LLC — ROCHELLE, IL — 3 federal records
- MASTEC, INC. — BOCA RATON, FL — 2 federal records
- WILLIAM CHARLES CONSTRUCTION COMPANY, LLC — ROCKFORD, IL — 2 federal records
- A-1 EXCAVATING, LLC — EAU CLAIRE, WI — 2 federal records
- WHITE CONSTRUCTION — MASCOUTAH, IL — 2 federal records
- PORTER BROTHERS CONSTRUCTION — PUYALLUP, WA — 2 federal records
- A-1 EXCAVATING, INC — OSSEO, WI — 2 federal records
Other employers in Commercial and Institutional Building Construction within IA
- AMES CONSTRUCTION, INC. — COUNCIL BLUFFS — 3 federal records
- CARL A. NELSON & COMPANY — WEST BURLINGTON — 3 federal records
- CARL A NELSON AND COMPANY — CEDAR RAPIDS — 3 federal records
- AMES CONSTRUCTION, INC. — COUNCIL BLUFFS — 3 federal records
- RUSSELL CONSTRUCTION CO., INC. — DAVENPORT — 3 federal records
- WOODRUFF CONSTRUCTION, LLC. — AMES — 3 federal records
- SENECA COMPANIES — SIOUX CITY — 3 federal records
- MIRON CONSTRUCTION CO., INC. — CEDAR RAPIDS — 3 federal records
- MIRON CONSTRUCTION CO., INC. — CEDAR RAPIDS — 3 federal records
- MCCOMAS-LACINA CONSTRUCTION — IOWA CITY — 3 federal records
Industry context
Within the commercial and institutional building construction industry in IA, WANZEK CONSTRUCTION INC ranks in the 84th percentile of OSHA violation frequency across 1,881 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 99th percentile of the same peer group.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 1.9 for the commercial and institutional building construction sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.2. WANZEK CONSTRUCTION INC's self-reported DART rate is 2.11, which is above the industry average.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 6 years.
Frequently Asked Questions
- What is WANZEK CONSTRUCTION INC's OSHA violation history?
- WANZEK CONSTRUCTION INC has 1 OSHA inspection on record with 2 violations and $18,000 in total penalties.
- How does WANZEK CONSTRUCTION INC's safety record compare to its industry?
- WANZEK CONSTRUCTION INC operates in the commercial and institutional building construction industry. The industry average Total Recordable Incident Rate (TRIR) is 1.9. WANZEK CONSTRUCTION INC's self-reported DART rate is 2.11 compared to an industry average of 1.2.
About this data
This profile aggregates federal enforcement records on WANZEK CONSTRUCTION INC of ADAIR, IA from 17 federal data sources. Records were found in 4 sources: OSHA workplace safety inspections, NLRB labor relations cases, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 13 sources were checked and found no matching records: WHD, MSHA, EPA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 2, 2026. WANZEK CONSTRUCTION INC resolves to the parent rollup MASTEC INC, which operates 644 establishments in our dataset. OSHA accident records on file for WANZEK CONSTRUCTION INC include 1 hospitalization.
This profile may be incomplete if WANZEK CONSTRUCTION INCoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.