Motor Freight Transportation And Warehousing · California

Ontario - 5331 South Carpenter Ave

Ontario, CA · ~303 workers · 2 years of OSHA Injury Tracking Application data.

B
Good Safety Record
3.2
Avg TCR
5.8
Industry avg
0
Fatalities
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The verdict

Ontario - 5331 South Carpenter Ave runs at 55% of its industry's injury rate - safer than the typical Motor Freight Transportation And Warehousing workplace, earning a grade B.

Ontario - 5331 South Carpenter Ave: 3.2 TCR = 55% of Motor Freight Transportation And Warehousing BLS 5.8 · 2y Form 300A (see methodology below)

Ontario - 5331 South Carpenter Ave safety composite

Ontario - 5331 South Carpenter Ave scores strongest on total case rate (tcr) (safer than 53% 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

44/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.21 per 100 workers

Safer than 53% of industry peers

DART rate
F 4.26 per 100 workers

Safer than 28% 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%).

Rising injury rate

Ontario - 5331 South Carpenter Ave: 2.1 → 4.3 TCR

Peak year 2024 @ 4.3 TCR · DART/TCR 1.33× in 2024

Ontario - 5331 South Carpenter Ave's TCR rose 2.1 from 2.1 in 2023 to 4.3 in 2024. In 2024, DART was 1.33× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 493110 · Ontario, CA AT/BELOW-IND · MID

Grade B · TCR 3.2 · 55% of ind

  • DART 4.3 DART
  • RANK #435/1131
  • PHOTO USA CO Aurora DSC
  • BOOK 2y book
  • INJ 20 inj
  • SIZE ~303 FTE

Nearest TCR peer: USA CO Aurora DSC (0.0 TCR gap)

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Ontario - 5331 South Carpenter Ave in the TCR neighbourhood

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

TCR

What this shows Ontario - 5331 South Carpenter Ave averages 3.2 TCR (55% of the Motor Freight Transportation And Warehousing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-09-26

Ontario - 5331 South Carpenter Ave TCR series: 2023=2.1 · 2024=4.3 · BLS 5.8

Where Ontario - 5331 South Carpenter Ave falls in its industry

9,477 Motor Freight Transportation A establishments

Safer than 53% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #435 safest of 1131 Motor Freight Transportation A employers in California.

Ontario - 5331 South Carpenter Ave (303 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 92 employees and a TCR of 3.5 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 01,0002,0003,0004,0005,000 051015 Average employees Total Case Rate Ontario - 5331 South Carpenter Ave
Ontario - 5331 South Carpenter Ave (303 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 92 employees and a TCR of 3.5

Ontario - 5331 South Carpenter Ave has more employees than the Motor Freight Transportation And Warehou median and a lower injury rate than the industry's median TCR of 3.5. 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 4.3 4.3 13 0 0
2023 2.1 2.1 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

493110 · CA · Ontario

9,477 Motor Freight Transportation And Warehousing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 599 employers in Ontario, 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 USA CO Aurora DSC 3.2 TCR
NAICS-TCR Gilmer Warehouse Perry 3.2 TCR
NAICS-TCR TMNA Chicago Parts Distribution Center 3.2 TCR
NAICS-TCR Kuehne + Nagel Inc. (PAF-6398) 3.2 TCR
STATE-SIZE Fullerton, CA factory 303 FTE
STATE-SIZE Bell Brothers Heating and Air, Inc 303 FTE
STATE-SIZE Lodi DC 303 FTE
STATE-SIZE Yuba County Packard Building 303 FTE
CITY-NEAR Prime Healthcare Services Inc. Location: St. Mary's, Passaic LLC 46-3499370 (HP29) 10,997 FTE
CITY-NEAR CAONA - ONTARIO HUB 4,372 FTE
CITY-NEAR ONTARIO HUB (CAONA) 3,354 FTE
CITY-NEAR Atlantic Solutions Group Inc, Inc. DBA Empire Workforce Solutions 3,240 FTE
NAT-TCR Plymouth Meeting 3.2 TCR
NAT-TCR Elmwood Ave 3.2 TCR
NAT-TCR Sawcross, Inc 3.2 TCR
NAT-TCR Allen Park 3.2 TCR
NAT-SIZE Assisted Living Services, Inc. 303 FTE
NAT-SIZE Columbia Crest Winery 303 FTE
NAT-SIZE Loews Ventana Canyon Resort 303 FTE
NAT-SIZE Detroit Chassis LLC 303 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.