Central-mixed concrete manufacturing · California
Corporate Office and Plant
Ontario, CA · ~42 workers · 4 years of OSHA Injury Tracking Application data.
- D
- Poor Safety Record
- 6.5
- Avg TCR
- 3.3
- Industry avg
- 0
- Fatalities
The verdict
Corporate Office and Plant runs at 196% of its industry's injury rate - more dangerous than the typical Central-mixed concrete manufacturing workplace, earning a grade D.
Corporate Office and Plant: 6.5 TCR = 196% of Central-mixed concrete manufacturing BLS 3.3 · 4y Form 300A (see methodology below)
Corporate Office and Plant safety composite
Corporate Office and Plant scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 29%), 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).
40/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 6.47 per 100 workers
Safer than 29% of industry peers
- DART rate
- D 3.43 per 100 workers
Safer than 44% 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
−1.3
2020→2023
Corporate Office and Plant injury rate improved
Corporate Office and Plant's TCR fell 1.3 from 8.2 in 2020 to 6.9 in 2023. Peak filing year was 2021 at 10.8 TCR. In 2023, DART was 0.53× this establishment's average TCR (severity share of cases).
2020=8.2 · 2021=10.8 · 2022=0.0 · 2023=6.9
OSHA ITA Form 300A scorecard
Establishment book 327320 · Ontario, CA ABOVE-IND · SMALL
Grade D · TCR 6.5 · 196% of ind
- DART 3.4 DART
- RANK #94/128
- PHOTO Big D Concrete, Inc.
- BOOK 4y book
- INJ 11 inj
- SIZE ~42 FTE
Nearest TCR peer: Big D Concrete, Inc. (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
Corporate Office and Plant in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Corporate Office and Plant
6.5 TCR
- Big D Concrete
Big D Concrete, Inc.
6.5 TCR
- West Vancouver
West Vancouver Ready Mix
6.5 TCR
- Plant #4
Plant #4
6.5 TCR
- Bear Ready Mix
Bear Ready Mix Concrete LLC
6.5 TCR
What this shows Corporate Office and Plant averages 6.5 TCR (196% of the Central-mixed concrete manufacturing BLS benchmark).
Corporate Office and Plant TCR series: 2020=8.2 · 2021=10.8 · 2022=0 · 2023=6.9 · BLS 3.3
Where Corporate Office and Plant falls in its industry
1,316 Central-mixed concrete manufac establishmentsSafer than 29% of graded establishments in this industry, whose median TCR is 4.5.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #94 safest of 128 Central-mixed concrete manufac employers in California.
Corporate Office and Plant has more employees than the Central-mixed concrete manufacturing median and a higher injury rate than the industry's median TCR of 4.5. 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 |
|---|---|---|---|---|---|
| 2023 | 6.9 | 3.4 | 2 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2021 | 10.8 | 10.8 | 5 | 0 | 0 |
| 2020 | 8.2 | 6.2 | 4 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
327320 · CA · Ontario
1,316 Central-mixed concrete manufacturing 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 | Big D Concrete, Inc. | 6.5 TCR |
| NAICS-TCR | West Vancouver Ready Mix | 6.5 TCR |
| NAICS-TCR | Plant #4 | 6.5 TCR |
| NAICS-TCR | Bear Ready Mix Concrete LLC | 6.5 TCR |
| STATE-SIZE | Quad H | 42 FTE |
| STATE-SIZE | CJJ Farming, Inc | 42 FTE |
| STATE-SIZE | Oceano Packing Company LLC | 42 FTE |
| STATE-SIZE | Connell Ranch | 42 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 | Alliance Tractor, LLC. - Newton, IL. | 6.5 TCR |
| NAT-TCR | Chimney Rock Villa | 6.5 TCR |
| NAT-TCR | American House - Brentwood | 6.5 TCR |
| NAT-TCR | 1 - Rolfs | 6.5 TCR |
| NAT-SIZE | Winfield United - Eldora | 42 FTE |
| NAT-SIZE | Wild Animal Safari INC | 42 FTE |
| NAT-SIZE | Missouri-Pacific Lumber Co., Inc. | 42 FTE |
| NAT-SIZE | American Red Cross - 1201 W River Pkwy | 42 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.