Employer · California

CLS - Ontario

Ontario, CA · ~212 workers · 4 years of OSHA Injury Tracking Application data.

C
Average Safety Record
0.0
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

CLS - Ontario runs at 0% of its industry's injury rate - about level with the typical industry workplace, earning a grade C.

CLS - Ontario: 0.0 TCR = 0% of industry BLS 4.5 · 4y Form 300A (see methodology below)

CLS - Ontario safety composite

CLS - Ontario scores strongest on total case rate (tcr) (safer than 100% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

B

80/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0 per 100 workers

Safer than 100% of industry peers

DART rate
B 0 per 100 workers

Safer than 78% 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%).

CLS - Ontario held a steady TCR band

CLS - Ontario's TCR held near 0.0 from 0.0 in 2018 to 0.0 in 2020. Peak filing year was 2018 at 0.0 TCR.

2018=0.0 · 2019=0.0 · 2020=0.0

OSHA ITA Form 300A scorecard

Establishment book 561720 · Ontario, CA AT/BELOW-IND · MID

Grade C · TCR 0.0 · 0% of ind

  • DART 0.0 DART
  • RANK #0/368
  • PHOTO DEL0000222 Dover Jan…
  • BOOK 4y book
  • INJ 0 inj
  • SIZE ~212 FTE

Nearest TCR peer: DEL0000222 Dover Janitorial (0.0 TCR gap)

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CLS - Ontario in the TCR neighbourhood

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

TCR

What this shows CLS - Ontario averages 0.0 TCR (0% of the industry BLS benchmark).

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

CLS - Ontario TCR series: 2018=0 · 2019=0 · 2020=0 · BLS 4.5

Where CLS - Ontario falls in its industry

4,064 industry establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 3.2.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #0 safest of 368 industry employers in California.

CLS - Ontario (212 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 3.2 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 051015 Average employees Total Case Rate CLS - Ontario
CLS - Ontario (212 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 3.2

CLS - Ontario has more employees than the industry median and a lower injury rate than the industry's median TCR of 3.2. 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
2021 - - 0 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

561720 · CA · Ontario

4,064 industry 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 DEL0000222 Dover Janitorial 0.0 TCR
NAICS-TCR Corporate 0.0 TCR
NAICS-TCR MANGUAL OFFICE CLEANING 0.0 TCR
NAICS-TCR DEL0000302 NCC JANITORIAL 0.1 TCR
STATE-SIZE 0938 - Modesto NW 212 FTE
STATE-SIZE Capital Transitional Care 212 FTE
STATE-SIZE CASAM - SANTA MARIA CENTER 212 FTE
STATE-SIZE University Retirement Community 212 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 Atlanta - Phipps 0.0 TCR
NAT-TCR Meijer 208 0.0 TCR
NAT-TCR Binghamton 0.0 TCR
NAT-TCR Detroit 0.0 TCR
NAT-SIZE Saginaw - KUKA Assembly and Test Corp. 212 FTE
NAT-SIZE 0245 - King of Prussia Pa Whse 212 FTE
NAT-SIZE Crawford Company 212 FTE
NAT-SIZE Mutual Distributing Company - Charlotte 212 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: 2021, 2020, 2019, 2018. 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.