Propulsion units and parts, guided missile and space vehicle, manufacturing · California

Alliant Techsystems Operations, LLC, DES Division

Northridge, CA · ~444 workers · 4 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Alliant Techsystems Operations, LLC, DES Division runs at 12% of its industry's injury rate - far safer than the typical Propulsion units and parts, guided missile and space vehicle, manufacturing workplace, earning a grade A.

Alliant Techsystems Operations, LLC, DES Division: 0.4 TCR = 12% of Propulsion units and parts, guided missile and space vehicle, manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

Alliant Techsystems Operations, LLC, DES Division safety composite

Alliant Techsystems Operations, LLC, DES Division scores strongest on total case rate (tcr) (safer than 85% of same-industry peers) and weakest on dart rate (safer than 46%), 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).

C

63/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 0.39 per 100 workers

Safer than 85% of industry peers

DART rate
D 0.4 per 100 workers

Safer than 46% 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%).

Alliant Techsystems Operations, LLC, DES Division held a steady TCR band

Alliant Techsystems Operations, LLC, DES Division's TCR held near 0.1 from 0.3 in 2017 to 0.4 in 2020. Peak filing year was 2018 at 0.8 TCR. In 2020, DART was 1.03× this establishment's average TCR (severity share of cases).

2017=0.3 · 2018=0.8 · 2019=0.0 · 2020=0.4

OSHA ITA Form 300A scorecard

Establishment book 336415 · Northridge, CA AT/BELOW-IND · MID

Grade A · TCR 0.4 · 12% of ind

  • DART 0.4 DART
  • RANK #1/8
  • PHOTO Aerojet Rocketdyne -…
  • BOOK 4y book
  • INJ 6 inj
  • SIZE ~444 FTE

Nearest TCR peer: Aerojet Rocketdyne - Huntsville (0.0 TCR gap)

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Alliant Techsystems Operations, LLC, DES Division in the TCR neighbourhood

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

TCR

What this shows Alliant Techsystems Operations, LLC, DES Division averages 0.4 TCR (12% of the Propulsion units and parts, guided missile and space vehicle, manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-09-26

Alliant Techsystems Operations, LLC, DES Division TCR series: 2017=0.3 · 2018=0.8 · 2019=0 · 2020=0.4 · BLS 3.3

Where Alliant Techsystems Operations, LLC, DES Division falls in its industry

48 Propulsion units and parts, gu establishments

Safer than 85% of graded establishments in this industry, whose median TCR is 0.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 8 Propulsion units and parts, gu employers in California.

Alliant Techsystems Operations, LLC, DES Division (444 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 374 employees and a TCR of 0.9 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 05,00010,00015,000 01234 Average employees Total Case Rate Alliant Techsystems Operations, LLC, DES Division
Alliant Techsystems Operations, LLC, DES Division (444 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 374 employees and a TCR of 0.9

Alliant Techsystems Operations, LLC, DES Division has more employees than the Propulsion units and parts, guided missi median and a lower injury rate than the industry's median TCR of 0.9. 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
2020 0.4 0.4 2 0 0
2019 0.0 0.0 0 0 0
2018 0.8 0.3 3 0 0
2017 0.3 0.3 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

336415 · CA · Northridge

48 Propulsion units and parts, guided missile and space vehicle, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 84 employers in Northridge, 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 Aerojet Rocketdyne - Huntsville 0.4 TCR
NAICS-TCR Aerojet Rocketdyne - West Palm Beach 0.4 TCR
NAICS-TCR Aerojet Rocketdyne - Huntsville AMF 0.4 TCR
NAICS-TCR Madison ORBITEC - WM1 0.4 TCR
STATE-SIZE City of Tulare 444 FTE
STATE-SIZE 6768-67680038-1190 444 FTE
STATE-SIZE 5023 444 FTE
STATE-SIZE Milgard - Vinyl Plant - Temecula 444 FTE
CITY-NEAR Medtronic MiniMed 2,884 FTE
CITY-NEAR 6403-64030341 1,948 FTE
CITY-NEAR 64030341-341001 NORTHRIDGE HOSPITAL MEDICAL CENTER 1,901 FTE
CITY-NEAR 2643-64030341-341001 1,742 FTE
NAT-TCR DeltaHawk Engines, Inc. 0.4 TCR
NAT-TCR Gray Construction - Lexington 0.4 TCR
NAT-TCR CBI, LLC. Gulf Coast Region 0.4 TCR
NAT-TCR Meridian Bricks- Bessemer 166 0.4 TCR
NAT-SIZE Leonardo DRS - 246 Airport Road 444 FTE
NAT-SIZE Bayfront Health Punta Gorda 444 FTE
NAT-SIZE Battle Creek K2 Corporate Office 444 FTE
NAT-SIZE City of Woodbury 444 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: 2020, 2019, 2018, 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.