Mail and Parcel Delivery · California

056169-Pom-Diamond Bar Br

Diamond Bar, CA · ~60 workers · 5 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
8.3
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

056169-Pom-Diamond Bar Br runs at 184% of its industry's injury rate - more dangerous than the typical Mail and Parcel Delivery workplace, earning a grade D.

056169-Pom-Diamond Bar Br: 8.3 TCR = 184% of Mail and Parcel Delivery BLS 4.5 · 5y Form 300A (see methodology below)

056169-Pom-Diamond Bar Br safety composite

056169-Pom-Diamond Bar Br scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 35%), 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).

C

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 8.3 per 100 workers

Safer than 35% of industry peers

DART rate
B 2.03 per 100 workers

Safer than 80% 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%).

TCR Δ

−5.5

2017→2022

056169-Pom-Diamond Bar Br injury rate improved

056169-Pom-Diamond Bar Br's TCR fell 5.5 from 9.6 in 2017 to 4.1 in 2022. Peak filing year was 2020 at 10.4 TCR. In 2022, DART was 0.24× this establishment's average TCR (severity share of cases).

2017=9.6 · 2018=7.7 · 2020=10.4 · 2021=9.8 · 2022=4.1

OSHA ITA Form 300A scorecard

Establishment book 491110 · Diamond Bar, CA ABOVE-IND · SMALL

Grade D · TCR 8.3 · 184% of ind

  • DART 2.0 DART
  • RANK #832/1240
  • PHOTO EL SEGUNDO_1455129
  • BOOK 5y book
  • INJ 20 inj
  • SIZE ~60 FTE

Nearest TCR peer: EL SEGUNDO_1455129 (0.0 TCR gap)

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

056169-Pom-Diamond Bar Br in the TCR neighbourhood

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

TCR

What this shows 056169-Pom-Diamond Bar Br averages 8.3 TCR (184% 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

056169-Pom-Diamond Bar Br TCR series: 2017=9.6 · 2018=7.7 · 2020=10.4 · 2021=9.8 · 2022=4.1 · BLS 4.5

Where 056169-Pom-Diamond Bar Br falls in its industry

13,818 Mail and Parcel Delivery establishments

Safer than 35% of graded establishments in this industry, whose median TCR is 6.8.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #832 safest of 1240 Mail and Parcel Delivery employers in California.

056169-Pom-Diamond Bar Br (60 employees, TCR 8.3) 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 050100150 0510152025 Average employees Total Case Rate 056169-Pom-Diamond Bar Br
056169-Pom-Diamond Bar Br (60 employees, TCR 8.3) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8

056169-Pom-Diamond Bar Br has more employees than the Mail and Parcel Delivery median and a higher 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 4.1 2.0 2 0 0
2021 9.8 9.8 5 0 0
2020 10.4 10.4 5 0 0
2018 7.7 7.7 4 0 0
2017 9.6 9.6 4 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

491110 · CA · Diamond Bar

13,818 Mail and Parcel Delivery employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 27 employers in Diamond Bar, CA · 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 EL SEGUNDO_1455129 8.3 TCR
NAICS-TCR BOURBONNAIS_1355503 8.3 TCR
NAICS-TCR MONTEVALLO_1373602 8.3 TCR
NAICS-TCR PLYMOUTH_1377855 8.3 TCR
STATE-SIZE North Coast Vineyards 60 FTE
STATE-SIZE Sun Pacific Farming Cooperative, Inc | Grapes Delano 60 FTE
STATE-SIZE Paiva Farm Management 60 FTE
STATE-SIZE Rocket Farms Herbs Inc Thermal 60 FTE
CITY-NEAR California Department of Transportation Facility 1 2,621 FTE
CITY-NEAR Niagara Bottling, LLC - Corporate 1,424 FTE
CITY-NEAR Ono-CORP 961 FTE
CITY-NEAR South Coast Air Quality Management District 798 FTE
NAT-TCR 487105-Plainview Po 8.3 TCR
NAT-TCR 483115-Flint Po 8.3 TCR
NAT-TCR 215629-Luling Po 8.3 TCR
NAT-TCR 567440-Schofield Po 8.3 TCR
NAT-SIZE 037661-Sco-Fountain Hills Sta 60 FTE
NAT-SIZE 491190-Cedar City Po 60 FTE
NAT-SIZE 571557-Casper Mpf 60 FTE
NAT-SIZE 072336-Den-Glendale Br 60 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, 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.