THERMA-STOR LLC is a industrial process furnace and oven manufacturing employer in MADISON, WI. Federal records show 2 OSHA inspections with 3 violations and $770 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.
THERMA-STOR LLC
4201 LIEN ROAD, MADISON, WI, 53708
Parent: Legence Corp. (504 locations)
333994 — Top companies in Industrial Process Furnace and Oven Manufacturing
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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
THERMA-STOR LLC is one of 504 establishments in our dataset that roll up under the parent organization Legence Corp.. Legence Corp. is a SEC public reporter (LGN), with most recent reported revenue of $2.6B.
Federal enforcement records on THERMA-STOR LLC represent activity at this specific establishment. The full enforcement footprint of Legence Corp. across all 504 of its tracked locations is viewable on the parent profile.
Other establishments operated by Legence Corp.
- THERMAL CERAMICS, INC. — AUGUSTA, GA — 3 federal records
- W.E. BOWERS, INC. — ROCKVILLE, MD — 2 federal records
- THERMAL INSULATION, INC. — THE VILLAGES, FL — 2 federal records
- THERMA-STOR LLC — MADISON, WI — 2 federal records
- Thermal Insulation — Winter Garden, FL — 2 federal records
- W.E. BOWERS, INC. — BELTSVILLE, MD — 2 federal records
- THERMAL CARE, INC. — NILES, IL — 2 federal records
- THERMAL TRANSFER CORPORATION — DUQUESNE, PA — 2 federal records
- THERMAL SPRAY SOLUTIONS, INC. — CHESAPEAKE, VA — 2 federal records
- THERMATECH NORTHWEST, INC. — EVERETT, WA — 1 federal record
Other employers in Industrial Process Furnace and Oven Manufacturing within WI
- WISCONSIN OVEN CORPORATION — EAST TROY — 2 federal records
- CAIN INDUSTRIES, INC. — GERMANTOWN — 1 federal record
- INTERNATIONAL THERMAL SYSTEMS, LLC — WEST MILWAUKEE — 1 federal record
- ALKAR - RAPID PAK - MP, INC — LODI — 1 federal record
- PREGL SERVICES, INC. — JANESVILLE — 1 federal record
- INDUSTRIAL COMBUSTION — MONROE — 1 federal record
- CLEAVER BROOKS — MONROE — 1 federal record
- ALKAR-RAPID PAK, INC — LODI
- PILLAR INDUCTION CO., LLC — BROOKFIELD
Industry context
Within the industrial process furnace and oven manufacturing industry in WI, THERMA-STOR LLC ranks in the 56th percentile of OSHA violation frequency across 155 comparable establishments.
OSHA penalty totals rank in the 45th percentile of the same peer group. Inspection frequency ranks in the 58th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 2.6 for the industrial process furnace and oven manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.2.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 16 years.
Frequently Asked Questions
- What is THERMA-STOR LLC's OSHA violation history?
- THERMA-STOR LLC has 2 OSHA inspections on record with 3 violations and $770 in total penalties.
- How does THERMA-STOR LLC's safety record compare to its industry?
- THERMA-STOR LLC operates in the industrial process furnace and oven manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 2.6.
About this data
This profile aggregates federal enforcement records on THERMA-STOR LLC of MADISON, WI 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 3, 2026. THERMA-STOR LLC resolves to the parent rollup Legence Corp., which operates 504 establishments in our dataset.
This profile may be incomplete if THERMA-STOR 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.