Ready-mix concrete manufacturing and distributing · California

Spragues' Rock and Sand - Simi Valley

Simi Valley, CA · ~23 workers · 5 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
14.3
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Spragues' Rock and Sand - Simi Valley runs at 433% of its industry's injury rate - far more dangerous than the typical Ready-mix concrete manufacturing and distributing workplace, earning a grade F.

Spragues' Rock and Sand - Simi Valley: 14.3 TCR = 433% of Ready-mix concrete manufacturing and distributing BLS 3.3 · 5y Form 300A (see methodology below)

Spragues' Rock and Sand - Simi Valley safety composite

Spragues' Rock and Sand - Simi Valley scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 3%), 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).

F

17/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 14.29 per 100 workers

Safer than 3% of industry peers

DART rate
F 9.74 per 100 workers

Safer than 9% 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%).

Spragues' Rock and Sand - Simi Valley held a steady TCR band

Spragues' Rock and Sand - Simi Valley's TCR held near 0.1 from 9.6 in 2017 to 9.7 in 2021. Peak filing year was 2018 at 29.2 TCR. In 2021, DART was 0.68× this establishment's average TCR (severity share of cases).

2017=9.6 · 2018=29.2 · 2019=16.9 · 2020=5.9 · 2021=9.7

OSHA ITA Form 300A scorecard

Establishment book 327320 · Simi Valley, CA ABOVE-IND · SMALL

Grade F · TCR 14.3 · 433% of ind

  • DART 9.7 DART
  • RANK #122/128
  • PHOTO Geiger Ready Mix. Pl…
  • BOOK 5y book
  • INJ 7 inj
  • SIZE ~23 FTE

Nearest TCR peer: Geiger Ready Mix. Plant 7 (0.0 TCR gap)

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Spragues' Rock and Sand - Simi Valley in the TCR neighbourhood

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

TCR

What this shows Spragues' Rock and Sand - Simi Valley averages 14.3 TCR (433% of the Ready-mix concrete manufacturing and distributing BLS benchmark).

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

Spragues' Rock and Sand - Simi Valley TCR series: 2017=9.6 · 2018=29.2 · 2019=16.9 · 2020=5.9 · 2021=9.7 · BLS 3.3

Where Spragues' Rock and Sand - Simi Valley falls in its industry

1,316 Ready-mix concrete manufacturi establishments

Safer than 3% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #122 safest of 128 Ready-mix concrete manufacturi employers in California.

Spragues' Rock and Sand - Simi Valley (23 employees, TCR 14.3) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5 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 0100200300400500 051015 Average employees Total Case Rate Spragues' Rock and Sand - Simi Valley
Spragues' Rock and Sand - Simi Valley (23 employees, TCR 14.3) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

Spragues' Rock and Sand - Simi Valley has fewer employees than the Ready-mix concrete manufacturing and dis 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
2021 9.7 9.7 0 1 0
2020 5.9 5.9 2 0 0
2019 16.9 16.9 2 0 0
2018 29.2 14.6 2 0 0
2017 9.6 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · CA · Simi Valley

1,316 Ready-mix concrete manufacturing and distributing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 139 employers in Simi Valley, 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 Geiger Ready Mix. Plant 7 14.3 TCR
NAICS-TCR Croell Inc. - Cheyenne 14.2 TCR
NAICS-TCR Kentucky Avenue 155 14.2 TCR
NAICS-TCR South Plant 32 13.9 TCR
STATE-SIZE James Diedrich Farms 23 FTE
STATE-SIZE Tri-Fanucchi Farms,LLC 23 FTE
STATE-SIZE KAN2 - 04 23 FTE
STATE-SIZE Kyer Farms 23 FTE
CITY-NEAR Meggitt Safety Systems, Inc. 563 FTE
CITY-NEAR 9292-AHSV001 - HOSPITAL 555 FTE
CITY-NEAR City of Simi Valley 520 FTE
CITY-NEAR Milgard Manufacturing Simi Valley CA 511 FTE
NAT-TCR Timberwood Court Memory Care 14.3 TCR
NAT-TCR The Estates at Carpenters 14.3 TCR
NAT-TCR Mary Gran Nursing Center of Liberty Healthcare Services, LLC. 14.3 TCR
NAT-TCR 1611 Peach St, Stes 150,255,375,445,90 14.3 TCR
NAT-SIZE Idalou Coop Gin 23 FTE
NAT-SIZE General Labels & Printing, LLC 23 FTE
NAT-SIZE ITL- Odessa 23 FTE
NAT-SIZE Ridley Block Operations 23 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, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.