Mail and Parcel Delivery · Illinois

165484-Naperville Po

Naperville, IL · ~192 workers · 6 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.8
Avg TCR
4.5
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

165484-Naperville Po runs at 128% of its industry's injury rate - more dangerous than the typical Mail and Parcel Delivery workplace, earning a grade D.

165484-Naperville Po: 5.8 TCR = 128% of Mail and Parcel Delivery BLS 4.5 · 6y Form 300A (see methodology below)

165484-Naperville Po safety composite

165484-Naperville Po scores strongest on total case rate (tcr) (safer than 62% of same-industry peers) and weakest on dart rate (safer than 28%), 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

47/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 5.75 per 100 workers

Safer than 62% of industry peers

DART rate
F 8.84 per 100 workers

Safer than 28% 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

165484-Naperville Po: 5.7 → 9.4 TCR

Peak year 2022 @ 9.4 TCR · DART/TCR 1.54× in 2022

165484-Naperville Po's TCR rose 3.7 from 5.7 in 2017 to 9.4 in 2022. In 2022, DART was 1.54× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 491110 · Naperville, IL ABOVE-IND · MID

Grade D · TCR 5.8 · 128% of ind

  • DART 8.8 DART
  • RANK #170/599
  • PHOTO ANDOVER_1353054
  • BOOK 6y book
  • INJ 58 inj
  • SIZE ~192 FTE

Nearest TCR peer: ANDOVER_1353054 (0.0 TCR gap)

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

165484-Naperville Po in the TCR neighbourhood

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

TCR

What this shows 165484-Naperville Po averages 5.8 TCR (128% of the Mail and Parcel Delivery BLS benchmark).

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

165484-Naperville Po TCR series: 2017=5.7 · 2018=7.2 · 2019=3.4 · 2020=3.4 · 2021=5.5 · 2022=9.4 · BLS 4.5

Where 165484-Naperville Po falls in its industry

13,818 Mail and Parcel Delivery establishments

Safer than 62% of graded establishments in this industry, whose median TCR is 6.8.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #170 safest of 599 Mail and Parcel Delivery employers in Illinois.

165484-Naperville Po (192 employees, TCR 5.8) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8 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 050100150200250 0510152025 Average employees Total Case Rate 165484-Naperville Po
165484-Naperville Po (192 employees, TCR 5.8) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8

165484-Naperville Po has more employees than the Mail and Parcel Delivery median and a lower injury rate than the industry's median TCR of 6.8. 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
2022 9.4 8.8 13 4 0
2021 5.5 0.0 9 1 0
2020 3.4 2.3 6 0 0
2019 3.4 3.4 6 0 0
2018 7.2 6.1 13 1 0
2017 5.7 3.1 11 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

491110 · IL · Naperville

13,818 Mail and Parcel Delivery 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 ANDOVER_1353054 5.8 TCR
NAICS-TCR FRANCONIA_1437303 5.8 TCR
NAICS-TCR APPLE VALLEY_1438976 5.8 TCR
NAICS-TCR EDISON PARK_1362096 5.8 TCR
STATE-SIZE Cresco Labs - Lincoln 192 FTE
STATE-SIZE M-Bar-D 192 FTE
STATE-SIZE #1 roofing company 192 FTE
STATE-SIZE ILDIV 192 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 488566-Spr-Klein Sta 5.8 TCR
NAT-TCR 198935-Top-Gage Center Sta 5.8 TCR
NAT-TCR 054517-Lax-Foy Sta 5.8 TCR
NAT-TCR 418896-Warrington Po 5.8 TCR
NAT-SIZE General Cable Sedalia 192 FTE
NAT-SIZE 3495-10D8145 192 FTE
NAT-SIZE 2967-NY83 192 FTE
NAT-SIZE liqui-box 192 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: 2022, 2021, 2020, 2019, 2018, 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.