MASTERCORP, INC. is a janitorial services employer in BARABOO, WI. Federal records show 1 OSHA inspection with 0 violations and $0 in penalties. 1 workplace fatality investigation on record. 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 1, 2026.
MASTERCORP, INC.
45 HILLMAN ROAD, BARABOO, WI, 53913
Parent: MasterCorp Inc (25 locations)
561720 — Top companies in Janitorial Services
9 employees
Industry Benchmark
Data Insights
Inspection Breakdown
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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
MASTERCORP, INC. is one of 25 establishments in our dataset that roll up under the parent organization MasterCorp Inc.
Federal enforcement records on MASTERCORP, INC. represent activity at this specific establishment. The full enforcement footprint of MasterCorp Inc across all 25 of its tracked locations is viewable on the parent profile.
Other establishments operated by MasterCorp Inc
- MASTERCORP, INC. — LAS VEGAS, NV — 2 federal records
- MASTERCORP, INC. — LAS VEGAS, NV — 2 federal records
- MASTERCORP, INC. — LAS VEGAS, NV — 2 federal records
- MASTERCORP, INC — LAS VEGAS, NV — 2 federal records
- MasterCorp — Daytona Beach, FL — 1 federal record
- MASTERCORP, INC. — PANAMA CITY BEACH, FL — 1 federal record
- MASTERCORP, INC. — LAS VEGAS, NV — 1 federal record
- Liki Tiki Village — Winter Garden, FL — 1 federal record
- MasterCorp — VIRGINIA BEACH, VA — 1 federal record
- MOUNTAIN RUN AT BOYNE — BOYNE FALLS, MI — 1 federal record
Other employers in Janitorial Services within WI
- JACK'S MAINTENANCE SERVICE, INC. — NEENAH — 2 federal records
- AROUND THE CLOCK CLEANERS — MENASHA — 2 federal records
- CLEAN POWER, L.L.C. — MILWAUKEE — 2 federal records
- HEALTHCARE SERVICES GROUP, INC. — CORNELL — 2 federal records
- CLEAN POWER, LLC — WAUSAU — 2 federal records
- CLEAN POWER LLC — TOMAHAWK — 2 federal records
- HEALTHCARE SERVICES GROUP, INC — WATERTOWN — 2 federal records
- PACKERS SANITATION SERVICES INC. — GREEN BAY — 1 federal record
- SERWAS WINDOW CLEANING SERVICE, LLC — GREEN BAY — 1 federal record
- ACTION PRO WINDOW CLEANING, INC. — MADISON — 1 federal record
Industry context
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 2.5 for the janitorial services sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.7.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 11 years.
Frequently Asked Questions
- What is MASTERCORP, INC.'s OSHA violation history?
- MASTERCORP, INC. has 1 OSHA inspection on record with 0 violations and $0 in total penalties.
- How does MASTERCORP, INC.'s safety record compare to its industry?
- MASTERCORP, INC. operates in the janitorial services industry. The industry average Total Recordable Incident Rate (TRIR) is 2.5.
- Has MASTERCORP, INC. had any workplace fatalities?
- Yes. Federal records show 1 fatality investigation involving MASTERCORP, INC..
About this data
This profile aggregates federal enforcement records on MASTERCORP, INC. of BARABOO, WI from 17 federal data sources. Records were found in 2 sources: OSHA workplace safety inspections, and BLS industry safety benchmarks. The remaining 15 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, SEC facts.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 1, 2026. MASTERCORP, INC. resolves to the parent rollup MasterCorp Inc, which operates 25 establishments in our dataset. OSHA accident records on file for MASTERCORP, INC. include 1 fatality investigation.
This profile may be incomplete if MASTERCORP, INC.operates 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.