Employer · California

Sonora Service Center

Sonora, CA · ~39 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
2.7
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Sonora Service Center runs at 226% of its industry's injury rate - far more dangerous than the typical industry workplace, earning a grade F.

Sonora Service Center: 2.7 TCR = 226% of industry BLS 1.2 · 2y Form 300A (see methodology below)

Sonora Service Center safety composite

Sonora Service Center scores strongest on fatalities (safer than 51% 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

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 2.71 per 100 workers

Safer than 47% of industry peers

DART rate
F 2.71 per 100 workers

Safer than 28% 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%).

Rising injury rate

Sonora Service Center: 0.0 → 5.4 TCR

Peak year 2018 @ 5.4 TCR · DART/TCR 1× in 2018

Sonora Service Center's TCR rose 5.4 from 0.0 in 2017 to 5.4 in 2018. In 2018, DART was 1× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 221122 · Sonora, CA ABOVE-IND · SMALL

Grade F · TCR 2.7 · 226% of ind

  • DART 2.7 DART
  • RANK #77/260
  • PHOTO AMEREN ILLINOIS - No…
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~39 FTE

Nearest TCR peer: AMEREN ILLINOIS - Northern N - IL Electric Ops (0.0 TCR gap)

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

Sonora Service Center in the TCR neighbourhood

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

TCR

What this shows Sonora Service Center averages 2.7 TCR (226% of the industry BLS benchmark).

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

Sonora Service Center TCR series: 2017=0 · 2018=5.4 · BLS 1.2

Where Sonora Service Center falls in its industry

2,958 industry establishments

Safer than 47% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #77 safest of 260 industry employers in California.

Sonora Service Center (39 employees, TCR 2.7) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 2.5 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 05001,0001,5002,000 051015 Average employees Total Case Rate Sonora Service Center
Sonora Service Center (39 employees, TCR 2.7) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 2.5

Sonora Service Center has fewer employees than the industry median and a higher injury rate than the industry's median TCR of 2.5. 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
2018 5.4 2.7 2 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221122 · CA · Sonora

2,958 industry employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 65 employers in Sonora, 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 AMEREN ILLINOIS - Northern N - IL Electric Ops 2.7 TCR
NAICS-TCR North Shallowford Operating - 4404 North Shallowford Rd. 2.7 TCR
NAICS-TCR Lansing Power Plant 2.7 TCR
NAICS-TCR Eltings Corners 2.7 TCR
STATE-SIZE San Felipe Farms 39 FTE
STATE-SIZE Schreiner Brothers Farms 39 FTE
STATE-SIZE TLC Custom Farming Company LLC 39 FTE
STATE-SIZE Sonoma Valley Vineyards 39 FTE
CITY-NEAR Adventist Health Sonora 1,442 FTE
CITY-NEAR California Department of Transportation Facility 348 779 FTE
CITY-NEAR 9292-AHSR001 - HOSPITAL 511 FTE
CITY-NEAR 2030 350 FTE
NAT-TCR Allied Building Stores - Monroe Office 2.7 TCR
NAT-TCR NA-US-NJ-Egg Harbor Township-W Parkway Drive 2.7 TCR
NAT-TCR Falon 2.7 TCR
NAT-TCR Ag Producers Coop - Plainview Cotton 2.7 TCR
NAT-SIZE Palmer Indy East/Palmer Leasing Group Indianapolis 39 FTE
NAT-SIZE REN016 Harrisburg 39 FTE
NAT-SIZE dd's DISCOUNTS Store 5195 39 FTE
NAT-SIZE dd's DISCOUNTS Store 5193 39 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: 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.