Corrugated and solid fiber boxes made from purchased paper or paperboard · California

Winterborne

Chatsworth, CA · ~26 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.6
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Winterborne runs at 109% of its industry's injury rate - about level with the typical Corrugated and solid fiber boxes made from purchased paper or paperboard workplace, earning a grade C.

Winterborne: 3.6 TCR = 109% of Corrugated and solid fiber boxes made from purchased paper or paperboard BLS 3.3 · 3y Form 300A (see methodology below)

Winterborne safety composite

Winterborne scores strongest on dart rate (safer than 83% of same-industry peers) and weakest on total case rate (tcr) (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

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 3.6 per 100 workers

Safer than 28% of industry peers

DART rate
B 0 per 100 workers

Safer than 83% 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%).

Winterborne held a steady TCR band

Winterborne's TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2019. Peak filing year was 2018 at 10.8 TCR. In 2019, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.0 · 2018=10.8 · 2019=0.0

OSHA ITA Form 300A scorecard

Establishment book 322211 · Chatsworth, CA ABOVE-IND · SMALL

Grade C · TCR 3.6 · 109% of ind

  • DART 0.0 DART
  • RANK #70/111
  • PHOTO MPP Union City
  • BOOK 3y book
  • INJ 4 inj
  • SIZE ~26 FTE

Nearest TCR peer: MPP Union City (0.0 TCR gap)

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

Winterborne in the TCR neighbourhood

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

TCR

What this shows Winterborne averages 3.6 TCR (109% of the Corrugated and solid fiber boxes made from purchased paper or paperboard BLS benchmark).

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

Winterborne TCR series: 2017=0 · 2018=10.8 · 2019=0 · BLS 3.3

Where Winterborne falls in its industry

1,338 Corrugated and solid fiber box establishments

Safer than 28% of graded establishments in this industry, whose median TCR is 2.4.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #70 safest of 111 Corrugated and solid fiber box employers in California.

Winterborne (26 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 102 employees and a TCR of 2.4 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 0100200300 0123456 Average employees Total Case Rate Winterborne
Winterborne (26 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 102 employees and a TCR of 2.4

Winterborne has fewer employees than the Corrugated and solid fiber boxes made fr median and a higher injury rate than the industry's median TCR of 2.4. 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
2019 0.0 0.0 0 0 0
2018 10.8 10.8 4 1 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

322211 · CA · Chatsworth

1,338 Corrugated and solid fiber boxes made from purchased paper or paperboard employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 132 employers in Chatsworth, 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 MPP Union City 3.6 TCR
NAICS-TCR Container Container Company 3.6 TCR
NAICS-TCR Independence Corrugated LLC 3.6 TCR
NAICS-TCR TX310 Denton (Classic Corrugated) 3.6 TCR
STATE-SIZE HAULING & TRAILER SHOP 26 FTE
STATE-SIZE Seasholtz Co., LLC 26 FTE
STATE-SIZE Redwood Valley Vineyards 26 FTE
STATE-SIZE North Central Coast Vineyards 26 FTE
CITY-NEAR Thibiant International 666 FTE
CITY-NEAR AMZL : DLA4 620 FTE
CITY-NEAR Noble House Home Furnishings 562 FTE
CITY-NEAR kdc/ one 540 FTE
NAT-TCR Ullman Oil Company, LLC 3.6 TCR
NAT-TCR 103078 - Seattle Marine Yard 3.6 TCR
NAT-TCR Deland Men's Residential Treatment 3.6 TCR
NAT-TCR Gateway Tire of Arkansas 3.6 TCR
NAT-SIZE Friona Industries, L.P. 26 FTE
NAT-SIZE thyssenkrupp Steel Services - Birmingham 26 FTE
NAT-SIZE 6795-16714B01TA 26 FTE
NAT-SIZE Portland Store 26 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: 2019, 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.