Firestop contractors · Illinois

Nelson Thermal Insulation and Firestopping Company

Lake Zurich, IL · ~20 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.7
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Nelson Thermal Insulation and Firestopping Company runs at 60% of its industry's injury rate - safer than the typical Firestop contractors workplace, earning a grade B.

Nelson Thermal Insulation and Firestopping Company: 1.7 TCR = 60% of Firestop contractors BLS 2.8 · 3y Form 300A (see methodology below)

Nelson Thermal Insulation and Firestopping Company safety composite

Nelson Thermal Insulation and Firestopping Company scores strongest on total case rate (tcr) (safer than 76% of same-industry peers) and weakest on dart rate (safer than 20%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

50/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.68 per 100 workers

Safer than 76% of industry peers

DART rate
F 5.03 per 100 workers

Safer than 20% of industry peers

Fatalities
D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

Nelson Thermal Insulation and Firestopping Company: 0.0 → 5.0 TCR

Peak year 2024 @ 5.0 TCR · DART/TCR 2.99× in 2024

Nelson Thermal Insulation and Firestopping Company's TCR rose 5.0 from 0.0 in 2020 to 5.0 in 2024. In 2024, DART was 2.99× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238310 · Lake Zurich, IL AT/BELOW-IND · SMALL

Grade B · TCR 1.7 · 60% of ind

  • DART 5.0 DART
  • RANK #11/50
  • PHOTO CMS Interiors, Inc.
  • BOOK 3y book
  • INJ 1 inj
  • SIZE ~20 FTE

Nearest TCR peer: CMS Interiors, Inc. (0.0 TCR gap)

Read with this employer → · Industry book → · Illinois employers → · Look up another →

Nelson Thermal Insulation and Firestopping Company in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Nelson Thermal Insulation and Firestopping Company averages 1.7 TCR (60% of the Firestop contractors BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Nelson Thermal Insulation and Firestopping Company TCR series: 2020=0 · 2022=0 · 2024=5 · BLS 2.8

Where Nelson Thermal Insulation and Firestopping Company falls in its industry

1,613 Firestop contractors establishments

Safer than 76% of graded establishments in this industry, whose median TCR is 3.4.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 50 Firestop contractors employers in Illinois.

Nelson Thermal Insulation and Firestopping Company (20 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.4 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0100200300 051015 Average employees Total Case Rate Nelson Thermal Insulation and Firestopping Company
Nelson Thermal Insulation and Firestopping Company (20 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.4

Nelson Thermal Insulation and Firestopping Company has fewer employees than the Firestop contractors median and a lower injury rate than the industry's median TCR of 3.4. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 5.0 5.0 1 0 0
2022 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238310 · IL · Lake Zurich

1,613 Firestop contractors employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 84 employers in Lake Zurich, IL · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR CMS Interiors, Inc. 1.7 TCR
NAICS-TCR Landgrebe Interior Construction 1.7 TCR
NAICS-TCR JDI Inc 1.7 TCR
NAICS-TCR Axion Specialty Contracting 1.7 TCR
STATE-SIZE East Ridge 20 FTE
STATE-SIZE Bay Creek 4 20 FTE
STATE-SIZE Deer Run 20 FTE
STATE-SIZE Grand View Farms, LLC. 20 FTE
CITY-NEAR B and B Maintenance, Inc. 1,077 FTE
CITY-NEAR ECHO Incorporated 945 FTE
CITY-NEAR Fresenius Kabi USA, LLC 915 FTE
CITY-NEAR Fresenius Kabi USA Lake Zurich Office 853 FTE
NAT-TCR Marsden Services 1.7 TCR
NAT-TCR Elanco Kansas 1.7 TCR
NAT-TCR Sodexo at Nashville Sounds 1.7 TCR
NAT-TCR Sodexo at Orda at Lake Placid 1.7 TCR
NAT-SIZE Tucson 20 FTE
NAT-SIZE Fairfield Inn and Suites - New Buffalo 20 FTE
NAT-SIZE Ashley House EW-6 20 FTE
NAT-SIZE Ashley House FW-0 20 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2022, 2020. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.