Lightning protection equipment manufacturing · Illinois

Harger - Grayslake

Grayslake, IL · ~96 workers · 9 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.8
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Harger - Grayslake runs at 55% of its industry's injury rate - safer than the typical Lightning protection equipment manufacturing workplace, earning a grade B.

Harger - Grayslake: 1.8 TCR = 55% of Lightning protection equipment manufacturing BLS 3.3 · 9y Form 300A (see methodology below)

Harger - Grayslake safety composite

Harger - Grayslake scores strongest on total case rate (tcr) (safer than 59% of same-industry peers) and weakest on dart rate (safer than 13%), 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

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.82 per 100 workers

Safer than 59% of industry peers

DART rate
F 2.78 per 100 workers

Safer than 13% 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

Harger - Grayslake: 0.0 → 4.6 TCR

Peak year 2024 @ 4.6 TCR · DART/TCR 1.53× in 2024

Harger - Grayslake's TCR rose 4.6 from 0.0 in 2016 to 4.6 in 2024. In 2024, DART was 1.53× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 335931 · Grayslake, IL AT/BELOW-IND · SMALL

Grade B · TCR 1.8 · 55% of ind

  • DART 2.8 DART
  • RANK #12/17
  • PHOTO Brookdale
  • BOOK 9y book
  • INJ 17 inj
  • SIZE ~96 FTE

Nearest TCR peer: Brookdale (0.0 TCR gap)

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

Harger - Grayslake in the TCR neighbourhood

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

TCR

What this shows Harger - Grayslake averages 1.8 TCR (55% of the Lightning protection equipment manufacturing BLS benchmark).

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

Harger - Grayslake TCR series: 2016=0 · 2017=2.3 · 2018=0 · 2019=1.3 · 2020=1.1 · 2021=3.9 · 2022=0 · 2023=3.2 · 2024=4.6 · BLS 3.3

Where Harger - Grayslake falls in its industry

152 Lightning protection equipment establishments

Safer than 59% of graded establishments in this industry, whose median TCR is 2.0.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #12 safest of 17 Lightning protection equipment employers in Illinois.

Harger - Grayslake (96 employees, TCR 1.8) among 29 same-industry peers, split at the industry median of 107 employees and a TCR of 2.0 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 0200400600 012345 Average employees Total Case Rate Harger - Grayslake
Harger - Grayslake (96 employees, TCR 1.8) among 29 same-industry peers, split at the industry median of 107 employees and a TCR of 2.0

Harger - Grayslake has fewer employees than the Lightning protection equipment manufactu median and a lower injury rate than the industry's median TCR of 2.0. 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 4.6 2.8 5 0 0
2023 3.2 3.2 4 0 0
2022 0.0 0.0 0 0 0
2021 3.9 2.9 4 0 0
2020 1.1 1.1 1 0 0
2019 1.3 1.3 1 0 0
2018 0.0 0.0 0 0 0
2017 2.3 2.3 2 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

335931 · IL · Grayslake

152 Lightning protection equipment manufacturing employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 38 employers in Grayslake, 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 Brookdale 1.8 TCR
NAICS-TCR Legrand 1.8 TCR
NAICS-TCR TRMI, Inc. 1.9 TCR
NAICS-TCR LA GRANGE NC 1.9 TCR
STATE-SIZE Corteva Agriscience UTI1 96 FTE
STATE-SIZE CLM Midwest 96 FTE
STATE-SIZE Toro Construction Corp 96 FTE
STATE-SIZE Lytle Electric Company 96 FTE
CITY-NEAR C02 737 FTE
CITY-NEAR 6458-ZNCH 445 FTE
CITY-NEAR Grayslake Community High School District 127 367 FTE
CITY-NEAR Grayslake 359 FTE
NAT-TCR Precision Optics 1.8 TCR
NAT-TCR Monadnock Construction, Inc. 1.8 TCR
NAT-TCR Cummins Filtration 1.8 TCR
NAT-TCR Nucor Steel Kingman 1.8 TCR
NAT-SIZE Rose Villa Healthcare Center 96 FTE
NAT-SIZE Kissimmee 96 FTE
NAT-SIZE Weston GOlf Club 96 FTE
NAT-SIZE Langhorne 96 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, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.