Boxes, folding (except corrugated), made from purchased paperboard · California

Thoro Packaging

Corona, CA · ~167 workers · 7 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.6
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Thoro Packaging runs at 141% of its industry's injury rate - more dangerous than the typical Boxes, folding (except corrugated), made from purchased paperboard workplace, earning a grade D.

Thoro Packaging: 4.6 TCR = 141% of Boxes, folding (except corrugated), made from purchased paperboard BLS 3.3 · 7y Form 300A (see methodology below)

Thoro Packaging safety composite

Thoro Packaging scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 10%), 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

22/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.64 per 100 workers

Safer than 16% of industry peers

DART rate
F 4.59 per 100 workers

Safer than 10% 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%).

Rising injury rate

Thoro Packaging: 0.6 → 5.2 TCR

Peak year 2021 @ 9.7 TCR · DART/TCR 0.99× in 2024

Thoro Packaging's TCR rose 4.6 from 0.6 in 2017 to 5.2 in 2024. Peak filing year was 2021 at 9.7 TCR. In 2024, DART was 0.99× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 322212 · Corona, CA ABOVE-IND · MID

Grade D · TCR 4.6 · 141% of ind

  • DART 4.6 DART
  • RANK #15/19
  • PHOTO 2453-00060343-60343
  • BOOK 7y book
  • INJ 66 inj
  • SIZE ~167 FTE

Nearest TCR peer: 2453-00060343-60343 (0.0 TCR gap)

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Thoro Packaging in the TCR neighbourhood

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

TCR

What this shows Thoro Packaging averages 4.6 TCR (141% of the Boxes, folding (except corrugated), made from purchased paperboard BLS benchmark).

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

Thoro Packaging TCR series: 2017=0.6 · 2019=5.6 · 2020=2.4 · 2021=9.7 · 2022=4.9 · 2023=4.1 · 2024=5.2 · BLS 3.3

Where Thoro Packaging falls in its industry

205 Boxes, folding (except corruga establishments

Safer than 16% of graded establishments in this industry, whose median TCR is 2.2.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #15 safest of 19 Boxes, folding (except corruga employers in California.

Thoro Packaging (167 employees, TCR 4.6) among 29 same-industry peers, split at the industry median of 133 employees and a TCR of 2.2 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 Thoro Packaging
Thoro Packaging (167 employees, TCR 4.6) among 29 same-industry peers, split at the industry median of 133 employees and a TCR of 2.2

Thoro Packaging has more employees than the Boxes, folding (except corrugated), made median and a higher injury rate than the industry's median TCR of 2.2. 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
2024 5.2 4.6 8 0 0
2023 4.1 4.1 6 0 0
2022 4.9 4.9 8 0 0
2021 9.7 9.1 14 2 0
2020 2.4 1.8 4 0 0
2019 5.6 3.1 9 0 0
2017 0.6 0.4 17 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

322212 · CA · Corona

205 Boxes, folding (except corrugated), made from purchased paperboard 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 2453-00060343-60343 4.6 TCR
NAICS-TCR Dominion Packaging Inc. 4.6 TCR
NAICS-TCR HSM Packaging 4.7 TCR
NAICS-TCR Lebanon Folding 4.5 TCR
STATE-SIZE C2F Employment Inc. 167 FTE
STATE-SIZE FIGUEROA PLAZA 167 FTE
STATE-SIZE Corporate 167 FTE
STATE-SIZE NA-US-CA-San Jose-2711 N 1st St 167 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 Heritage Restoration 4.6 TCR
NAT-TCR Richmond Marine Terminal 4.6 TCR
NAT-TCR 10624 Lancaster 4.6 TCR
NAT-TCR Store 0894 4.6 TCR
NAT-SIZE Clapp'S Convalescent Nursing Home 167 FTE
NAT-SIZE RCD Electrical Services 167 FTE
NAT-SIZE 10436 Lynnwood 167 FTE
NAT-SIZE 10188 Palm Beach Gardens 167 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: 2024, 2023, 2022, 2021, 2020, 2019, 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.