Harness assemblies for electronic use manufacturing · Illinois

Sub-Sem Inc

Crystal Lake, IL · ~46 workers · 7 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.5
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Sub-Sem Inc runs at 77% of its industry's injury rate - safer than the typical Harness assemblies for electronic use manufacturing workplace, earning a grade B.

Sub-Sem Inc: 2.5 TCR = 77% of Harness assemblies for electronic use manufacturing BLS 3.3 · 7y Form 300A (see methodology below)

Sub-Sem Inc safety composite

Sub-Sem Inc scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 33%), 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

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 2.54 per 100 workers

Safer than 33% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% of industry peers

Fatalities
D 0

Safer than 50% 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%).

TCR Δ

−4.1

2017→2024

Sub-Sem Inc injury rate improved

Sub-Sem Inc's TCR fell 4.1 from 4.1 in 2017 to 0.0 in 2024. Peak filing year was 2022 at 111.1 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=4.1 · 2019=4.3 · 2020=0.0 · 2021=4.6 · 2022=111.1 · 2023=2.2 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 334419 · Crystal Lake, IL AT/BELOW-IND · SMALL

Grade B · TCR 2.5 · 77% of ind

  • DART 0.0 DART
  • RANK #9/17
  • PHOTO Isola
  • BOOK 7y book
  • INJ 8 inj
  • SIZE ~46 FTE

Nearest TCR peer: Isola (0.0 TCR gap)

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

Sub-Sem Inc in the TCR neighbourhood

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

TCR

What this shows Sub-Sem Inc averages 2.5 TCR (77% of the Harness assemblies for electronic use manufacturing BLS benchmark).

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

Sub-Sem Inc TCR series: 2017=4.1 · 2019=4.3 · 2020=0 · 2021=4.6 · 2022=111.1 · 2023=2.2 · 2024=0 · BLS 3.3

Where Sub-Sem Inc falls in its industry

334 Harness assemblies for electro establishments

Safer than 33% of graded establishments in this industry, whose median TCR is 1.8.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #9 safest of 17 Harness assemblies for electro employers in Illinois.

Sub-Sem Inc (46 employees, TCR 2.5) among 29 same-industry peers, split at the industry median of 108 employees and a TCR of 1.8 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 02004006008001,000 02468 Average employees Total Case Rate Sub-Sem Inc
Sub-Sem Inc (46 employees, TCR 2.5) among 29 same-industry peers, split at the industry median of 108 employees and a TCR of 1.8

Sub-Sem Inc has fewer employees than the Harness assemblies for electronic use ma median and a higher injury rate than the industry's median TCR of 1.8. 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 0.0 0.0 0 0 0
2023 2.2 2.2 1 0 0
2022 111.1 111.1 1 0 0
2021 4.6 2.3 2 0 0
2020 0.0 0.0 0 0 0
2019 4.3 0.0 2 0 0
2017 4.1 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

334419 · IL · Crystal Lake

334 Harness assemblies for electronic use manufacturing employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 101 employers in Crystal Lake, 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 Isola 2.5 TCR
NAICS-TCR Pure Wafer, Inc 2.5 TCR
NAICS-TCR E Ink - South Hadley 2.5 TCR
NAICS-TCR Heraeus Precious Metals Conshohocken LLC 2.6 TCR
STATE-SIZE Carlyle KFC (MPF1) 46 FTE
STATE-SIZE 2502-Ashton, IL 46 FTE
STATE-SIZE MID AMERICA ENERGY SERVICES, INC. 46 FTE
STATE-SIZE Utility Department 46 FTE
CITY-NEAR McHenry County College 695 FTE
CITY-NEAR Customer Service Crystal Lake Product Center 535 FTE
CITY-NEAR WM 1413 459 FTE
CITY-NEAR 1413 432 FTE
NAT-TCR Rich Products Eagan 2.5 TCR
NAT-TCR Integrity Painting, Inc 2.5 TCR
NAT-TCR Remote Controls, Inc 2.5 TCR
NAT-TCR A.P. Williams, Inc. 2.5 TCR
NAT-SIZE Prince Manufacturing Corporation-Yankton 46 FTE
NAT-SIZE Hazel Distribution 46 FTE
NAT-SIZE Goff inc 46 FTE
NAT-SIZE Roy Lomas Carpet Contractor, Inc. 46 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, 2017. 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.