Bus operation, school and employee · Illinois

20185 Naperville

Naperville, IL · ~386 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
4.2
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

20185 Naperville runs at 92% of its industry's injury rate - about level with the typical Bus operation, school and employee workplace, earning a grade C.

20185 Naperville: 4.2 TCR = 92% of Bus operation, school and employee BLS 4.5 · 3y Form 300A (see methodology below)

20185 Naperville safety composite

20185 Naperville scores strongest on total case rate (tcr) (safer than 52% of same-industry peers) and weakest on dart rate (safer than 46%), 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

49/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.15 per 100 workers

Safer than 52% of industry peers

DART rate
D 2.54 per 100 workers

Safer than 46% 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

−4.0

2020→2024

20185 Naperville injury rate improved

20185 Naperville's TCR fell 4.0 from 6.6 in 2020 to 2.5 in 2024. Peak filing year was 2020 at 6.6 TCR. In 2024, DART was 0.61× this establishment's average TCR (severity share of cases).

2020=6.6 · 2022=3.4 · 2024=2.5

OSHA ITA Form 300A scorecard

Establishment book 485410 · Naperville, IL AT/BELOW-IND · MID

Grade C · TCR 4.2 · 92% of ind

  • DART 2.5 DART
  • RANK #50/110
  • PHOTO 583009-Lakeland | WI…
  • BOOK 3y book
  • INJ 25 inj
  • SIZE ~386 FTE

Nearest TCR peer: 583009-Lakeland | WI | DYL-350 (0.0 TCR gap)

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

20185 Naperville in the TCR neighbourhood

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

TCR

What this shows 20185 Naperville averages 4.2 TCR (92% of the Bus operation, school and employee BLS benchmark).

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

20185 Naperville TCR series: 2020=6.6 · 2022=3.4 · 2024=2.5 · BLS 4.5

Where 20185 Naperville falls in its industry

1,574 Bus operation, school and empl establishments

Safer than 52% of graded establishments in this industry, whose median TCR is 4.3.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #50 safest of 110 Bus operation, school and empl employers in Illinois.

20185 Naperville (386 employees, TCR 4.2) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 4.3 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 0100200300400500 05101520 Average employees Total Case Rate 20185 Naperville
20185 Naperville (386 employees, TCR 4.2) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 4.3

20185 Naperville has more employees than the Bus operation, school and employee median and a lower injury rate than the industry's median TCR of 4.3. 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 2.5 2.5 6 0 0
2022 3.4 2.9 6 1 0
2020 6.6 6.6 13 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

485410 · IL · Naperville

1,574 Bus operation, school and employee employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 241 employers in Naperville, 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 583009-Lakeland | WI | DYL-350 4.2 TCR
NAICS-TCR 533010-Little Elm | TX | TEX-750 4.2 TCR
NAICS-TCR STA - Albert Gallatin 4.2 TCR
NAICS-TCR 2662-3066 4.2 TCR
STATE-SIZE Sycamore 386 FTE
STATE-SIZE CCS Equipment Supply, Inc. DBA Surebuilt 386 FTE
STATE-SIZE 1256 386 FTE
STATE-SIZE CHCGILNR 386 FTE
CITY-NEAR Indian Prairie School District 3,568 FTE
CITY-NEAR Naperville Ill 1,349 FTE
CITY-NEAR Naperville Research Center 862 FTE
CITY-NEAR 2884 Cor3010 855 FTE
NAT-TCR 006-FLOYDADA 4.2 TCR
NAT-TCR 300 Food & Beverage 4.2 TCR
NAT-TCR Store 1288 4.2 TCR
NAT-TCR RWDC Industries - Athens Plant 4.2 TCR
NAT-SIZE Phoenix Facility 386 FTE
NAT-SIZE Oakwood Metal Fabricating 386 FTE
NAT-SIZE KCC 386 FTE
NAT-SIZE WellSpan Specialty Services 386 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.