General warehousing and storage · California

Guest Supply Corona, California

Corona, CA · ~70 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.9
Avg TCR
5.8
Industry avg
0
Fatalities
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The verdict

Guest Supply Corona, California runs at 16% of its industry's injury rate - far safer than the typical General warehousing and storage workplace, earning a grade A.

Guest Supply Corona, California: 0.9 TCR = 16% of General warehousing and storage BLS 5.8 · 3y Form 300A (see methodology below)

Guest Supply Corona, California safety composite

Guest Supply Corona, California scores strongest on total case rate (tcr) (safer than 90% 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

79/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.94 per 100 workers

Safer than 90% of industry peers

DART rate
B 0 per 100 workers

Safer than 86% 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%).

TCR Δ

−2.8

2019→2021

Guest Supply Corona, California injury rate improved

Guest Supply Corona, California's TCR fell 2.8 from 2.8 in 2019 to 0.0 in 2021. Peak filing year was 2019 at 2.8 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2019=2.8 · 2020=0.0 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 493110 · Corona, CA AT/BELOW-IND · SMALL

Grade A · TCR 0.9 · 16% of ind

  • DART 0.0 DART
  • RANK #89/1131
  • PHOTO Robert Bosch LLC (So…
  • BOOK 3y book
  • INJ 2 inj
  • SIZE ~70 FTE

Nearest TCR peer: Robert Bosch LLC (Socorro) (0.0 TCR gap)

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

Guest Supply Corona, California in the TCR neighbourhood

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

TCR

What this shows Guest Supply Corona, California averages 0.9 TCR (16% of the General warehousing and storage BLS benchmark).

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

Guest Supply Corona, California TCR series: 2019=2.8 · 2020=0 · 2021=0 · BLS 5.8

Where Guest Supply Corona, California falls in its industry

9,477 General warehousing and storag establishments

Safer than 90% 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 #89 safest of 1131 General warehousing and storag employers in California.

Guest Supply Corona, California (70 employees, TCR 0.9) 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 Guest Supply Corona, California
Guest Supply Corona, California (70 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 92 employees and a TCR of 3.5

Guest Supply Corona, California has fewer employees than the General warehousing and storage 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
2021 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 2.8 2.8 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

493110 · CA · Corona

9,477 General warehousing and storage employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 409 employers in Corona, 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 Robert Bosch LLC (Socorro) 0.9 TCR
NAICS-TCR TPC 0.9 TCR
NAICS-TCR 60537 CAPSTONE SYSCO NORMAN 0.9 TCR
NAICS-TCR DUBUQUE WAREHOUSE 0.9 TCR
STATE-SIZE Heritage Land Company 70 FTE
STATE-SIZE Ceballos Ag Services, Inc. 70 FTE
STATE-SIZE NRTHN 70 FTE
STATE-SIZE EW Merritt Farms 70 FTE
CITY-NEAR Monster Energy Company 2535 Anselmo Dr 2,572 FTE
CITY-NEAR Monster Energy Company 2,388 FTE
CITY-NEAR Monster Energy Company - Anselmo Dr, Corona 2,335 FTE
CITY-NEAR California Department of Transportation Facility 289 1,587 FTE
NAT-TCR Saint-Gobain Hoosick Falls 0.9 TCR
NAT-TCR Saia-Burgess Automotive Actuators, LLC 0.9 TCR
NAT-TCR MBC Management 0.9 TCR
NAT-TCR Bacharach, Inc. 0.9 TCR
NAT-SIZE Strem Chemicals, Inc. 70 FTE
NAT-SIZE York Ford 70 FTE
NAT-SIZE Smoky Hill Health & Rehabilitation 70 FTE
NAT-SIZE GKN Sinter Metals Inc. - Conover 70 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. 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.