MULTISTACK, LLC is a air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing employer in SPARTA, WI. Federal records show 2 OSHA inspections with 15 violations and $53,051 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 3, 2026.
MULTISTACK, LLC
1065 MAPLE AVENUE, SPARTA, WI, 54656
Parent: Multistack LLC (2 locations)
EIN: 721524879
130 employees
Industry Benchmark
Data Insights
Federal Contracts (5-year)
Inspection Breakdown
Peer Comparison
Motor Carrier Safety (FMCSA)
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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
MULTISTACK, LLC is one of 2 establishments in our dataset that roll up under the parent organization Multistack LLC.
Federal enforcement records on MULTISTACK, LLC represent activity at this specific establishment. The full enforcement footprint of Multistack LLC across all 2 of its tracked locations is viewable on the parent profile.
Other establishments operated by Multistack LLC
- STANDARD REFRIGERATION LLC — WOOD DALE, IL — 1 federal record
Other employers in Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing within WI
- PERLICK CORPORATION — MILWAUKEE — 3 federal records
- TITAN AIR, INC. — OSSEO — 2 federal records
- AIR TEMPERATURE SERVICES INC. — RACINE — 2 federal records
- PLEXUS CORPORATION — APPLETON — 2 federal records
- FEDERAL INDUSTRIES, LTD. — BELLEVILLE — 1 federal record
- DEHUMIDIFIER CORPORATION OF AMERICA DCA — CEDARBURG — 1 federal record
- TRANE TECHNOLOGIES COMPANY LLC — LA CROSSE — 1 federal record
- GENERAL HEATING & AIR CONDITIONING, INC. — VERONA — 1 federal record
- MANITOWOC ICE INC — MANITOWOC — 1 federal record
- XETEX, INC. — LA CROSSE — 1 federal record
Industry context
Within the air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing industry in WI, MULTISTACK, LLC ranks in the 98th percentile of OSHA violation frequency across 56 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 100th percentile of the same peer group. Inspection frequency ranks in the 60th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 2.1 for the air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.1. MULTISTACK, LLC's self-reported DART rate is 2.4, which is above the industry average.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 24 months.
Frequently Asked Questions
- What is MULTISTACK, LLC's OSHA violation history?
- MULTISTACK, LLC has 2 OSHA inspections on record with 15 violations and $53,051 in total penalties.
- How does MULTISTACK, LLC's safety record compare to its industry?
- MULTISTACK, LLC operates in the air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 2.1. MULTISTACK, LLC's self-reported DART rate is 2.4 compared to an industry average of 1.1.
About this data
This profile aggregates federal enforcement records on MULTISTACK, LLC of SPARTA, WI from 17 federal data sources. Records were found in 4 sources: OSHA workplace safety inspections, FMCSA motor carrier safety, USAspending federal contract awards, and BLS industry safety benchmarks. The remaining 13 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, 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 3, 2026. MULTISTACK, LLC resolves to the parent rollup Multistack LLC, which operates 2 establishments in our dataset.
This profile may be incomplete if MULTISTACK, LLCoperates 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.