Employer · California

R39 Aer - Redwood City

Redwood City, CA · ~197 workers · 8 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.1
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

R39 Aer - Redwood City runs at 34% of its industry's injury rate - far safer than the typical industry workplace, earning a grade A.

R39 Aer - Redwood City: 1.1 TCR = 34% of industry BLS 3.3 · 8y Form 300A (see methodology below)

R39 Aer - Redwood City safety composite

R39 Aer - Redwood City scores strongest on total case rate (tcr) (safer than 63% of same-industry peers) and weakest on dart rate (safer than 38%), 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

51/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.12 per 100 workers

Safer than 63% of industry peers

DART rate
D 1.1 per 100 workers

Safer than 38% 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%).

R39 Aer - Redwood City held a steady TCR band

R39 Aer - Redwood City's TCR held near 0.0 from 1.1 in 2017 to 1.1 in 2024. Peak filing year was 2021 at 3.1 TCR. In 2024, DART was 0.98× this establishment's average TCR (severity share of cases).

2017=1.1 · 2018=0.6 · 2019=1.2 · 2020=0.8 · 2021=3.1 · 2022=0.0 · 2023=1.0 · 2024=1.1

OSHA ITA Form 300A scorecard

Establishment book 335921 · Redwood City, CA AT/BELOW-IND · MID

Grade A · TCR 1.1 · 34% of ind

  • DART 1.1 DART
  • RANK P63
  • PHOTO Hidden Lake II
  • BOOK 8y book
  • INJ 18 inj
  • SIZE ~197 FTE

Nearest TCR peer: Hidden Lake II (0.0 TCR gap)

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R39 Aer - Redwood City in the TCR neighbourhood

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

TCR

What this shows R39 Aer - Redwood City averages 1.1 TCR (34% of the industry BLS benchmark).

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

R39 Aer - Redwood City TCR series: 2017=1.1 · 2018=0.6 · 2019=1.2 · 2020=0.8 · 2021=3.1 · 2022=0 · 2023=1 · 2024=1.1 · BLS 3.3

Where R39 Aer - Redwood City falls in its industry

49 industry establishments

Safer than 63% of graded establishments in this industry, whose median TCR is 1.5.

More dangerous than peersSafer than peers
R39 Aer - Redwood City (197 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 111 employees and a TCR of 1.5 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 0200400600800 02468 Average employees Total Case Rate R39 Aer - Redwood City
R39 Aer - Redwood City (197 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 111 employees and a TCR of 1.5

R39 Aer - Redwood City has more employees than the industry median and a lower injury rate than the industry's median TCR of 1.5. 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
2024 1.1 1.1 2 0 0
2023 1.0 0.0 2 0 0
2022 0.0 0.0 0 0 0
2021 3.1 3.1 6 0 0
2020 0.8 0.4 2 0 0
2019 1.2 0.4 3 0 0
2018 0.6 0.0 1 0 0
2017 1.1 0.5 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

335921 · CA · Redwood City

49 industry employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 116 employers in Redwood City, 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 Hidden Lake II 1.1 TCR
NAICS-TCR Leviton Manufacturing Co., Inc. 1.1 TCR
NAICS-TCR Aurora Location 1.1 TCR
NAICS-TCR GRUBER INDUSTRIES, INC 1.1 TCR
STATE-SIZE Alfonso A Valencia 197 FTE
STATE-SIZE Homebound CA + Remote 197 FTE
STATE-SIZE Hakes Sash & Door, Inc. 197 FTE
STATE-SIZE AAA COMPANIES 197 FTE
CITY-NEAR California Department of Transportation Facility 141 2,891 FTE
CITY-NEAR Guardant Health 1,513 FTE
CITY-NEAR 2032-02120851 1,471 FTE
CITY-NEAR 0206-02620851 1,382 FTE
NAT-TCR Skyway Cement 1.1 TCR
NAT-TCR Walkup Company 1.1 TCR
NAT-TCR Maryland Heights 1.1 TCR
NAT-TCR Craddock Furniture Corporation dba Craddock Finishing Corporation 1.1 TCR
NAT-SIZE Concordia Plant 197 FTE
NAT-SIZE USA MD Crisfield Plant 197 FTE
NAT-SIZE Lennar - Chicago 197 FTE
NAT-SIZE Cottage Grove Place 197 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, 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.