Aircraft assemblies, subassemblies, and parts (except engines) manufacturing · California

Ducommun Gardena

Gardena, CA · ~132 workers · 7 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.9
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Ducommun Gardena runs at 89% of its industry's injury rate - about level with the typical Aircraft assemblies, subassemblies, and parts (except engines) manufacturing workplace, earning a grade C.

Ducommun Gardena: 2.9 TCR = 89% of Aircraft assemblies, subassemblies, and parts (except engines) manufacturing BLS 3.3 · 7y Form 300A (see methodology below)

Ducommun Gardena safety composite

Ducommun Gardena scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 8%), 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

27/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 2.93 per 100 workers

Safer than 30% of industry peers

DART rate
F 4.22 per 100 workers

Safer than 8% 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

−0.8

2018→2024

Ducommun Gardena injury rate improved

Ducommun Gardena's TCR fell 0.8 from 5.0 in 2018 to 4.2 in 2024. Peak filing year was 2019 at 5.4 TCR. In 2024, DART was 1.44× this establishment's average TCR (severity share of cases).

2018=5.0 · 2019=5.4 · 2020=2.7 · 2021=0.7 · 2022=1.7 · 2023=0.8 · 2024=4.2

OSHA ITA Form 300A scorecard

Establishment book 336413 · Gardena, CA AT/BELOW-IND · MID

Grade C · TCR 2.9 · 89% of ind

  • DART 4.2 DART
  • RANK #59/104
  • PHOTO HONEYCOMB COMPANY OF…
  • BOOK 7y book
  • INJ 23 inj
  • SIZE ~132 FTE

Nearest TCR peer: HONEYCOMB COMPANY OF AMERICA (0.0 TCR gap)

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

Ducommun Gardena in the TCR neighbourhood

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

TCR

What this shows Ducommun Gardena averages 2.9 TCR (89% of the Aircraft assemblies, subassemblies, and parts (except engines) manufacturing BLS benchmark).

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

Ducommun Gardena TCR series: 2018=5 · 2019=5.4 · 2020=2.7 · 2021=0.7 · 2022=1.7 · 2023=0.8 · 2024=4.2 · BLS 3.3

Where Ducommun Gardena falls in its industry

650 Aircraft assemblies, subassemb establishments

Safer than 30% of graded establishments in this industry, whose median TCR is 1.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #59 safest of 104 Aircraft assemblies, subassemb employers in California.

Ducommun Gardena (132 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 130 employees and a TCR of 1.9 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 0246810 Average employees Total Case Rate Ducommun Gardena
Ducommun Gardena (132 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 130 employees and a TCR of 1.9

Ducommun Gardena has more employees than the Aircraft assemblies, subassemblies, and median and a higher injury rate than the industry's median TCR of 1.9. 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 4.2 4.2 1 0 0
2023 0.8 0.0 1 0 0
2022 1.7 0.8 2 0 0
2021 0.7 0.0 1 0 0
2020 2.7 1.8 3 0 0
2019 5.4 5.4 8 0 0
2018 5.0 3.6 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

336413 · CA · Gardena

650 Aircraft assemblies, subassemblies, and parts (except engines) manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 223 employers in Gardena, 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 HONEYCOMB COMPANY OF AMERICA 2.9 TCR
NAICS-TCR Fluid Mechanisms of Hauppauge LLC 2.9 TCR
NAICS-TCR AeroControlex 2.9 TCR
NAICS-TCR Sensenich Propeller Co 2.9 TCR
STATE-SIZE Midnight Harvest 132 FTE
STATE-SIZE JOHNSTON FARMS 132 FTE
STATE-SIZE Irigoyen Farms, Inc. 132 FTE
STATE-SIZE Tri Pointe Homes Orange County-Los Angeles 132 FTE
CITY-NEAR California Department of Transportation Facility 602 2,621 FTE
CITY-NEAR Ono-030 909 FTE
CITY-NEAR GARDENA HUB (CAGAR) 809 FTE
CITY-NEAR CAGAR - GARDENA HUB 794 FTE
NAT-TCR Sodexo at Saint Catherine University 2.9 TCR
NAT-TCR QED3 2.9 TCR
NAT-TCR Hatfield PA 2.9 TCR
NAT-TCR La Grande School District 2.9 TCR
NAT-SIZE Sherwood PDC 132 FTE
NAT-SIZE Sodexo at International Leadership Tx 132 FTE
NAT-SIZE Rea Magnet Wire Company, Inc. Fort Wayne Plant 132 FTE
NAT-SIZE IHM Senior Living Community 132 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, 2018. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.