Exhaust systems and parts, automotive, truck, and bus, manufacturing · California

Hedman Manufacturing

Whittier, CA · ~44 workers · 5 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
7.3
Avg TCR
5.4
Industry avg
0
Fatalities
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The verdict

Hedman Manufacturing runs at 136% of its industry's injury rate - more dangerous than the typical Exhaust systems and parts, automotive, truck, and bus, manufacturing workplace, earning a grade D.

Hedman Manufacturing: 7.3 TCR = 136% of Exhaust systems and parts, automotive, truck, and bus, manufacturing BLS 5.4 · 5y Form 300A (see methodology below)

Hedman Manufacturing safety composite

Hedman Manufacturing scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 11%), 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

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.33 per 100 workers

Safer than 11% of industry peers

DART rate
D 2.48 per 100 workers

Safer than 35% 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%).

TCR Δ

−4.9

2017→2023

Hedman Manufacturing injury rate improved

Hedman Manufacturing's TCR fell 4.9 from 9.8 in 2017 to 5.0 in 2023. Peak filing year was 2020 at 11.6 TCR. In 2023, DART was 0.34× this establishment's average TCR (severity share of cases).

2017=9.8 · 2020=11.6 · 2021=7.8 · 2022=2.5 · 2023=5.0

OSHA ITA Form 300A scorecard

Establishment book 336390 · Whittier, CA ABOVE-IND · SMALL

Grade D · TCR 7.3 · 136% of ind

  • DART 2.5 DART
  • RANK #21/29
  • PHOTO Inalfa Roof Systems …
  • BOOK 5y book
  • INJ 14 inj
  • SIZE ~44 FTE

Nearest TCR peer: Inalfa Roof Systems - Cherokee Campus (0.0 TCR gap)

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

Hedman Manufacturing in the TCR neighbourhood

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

TCR

What this shows Hedman Manufacturing averages 7.3 TCR (136% of the Exhaust systems and parts, automotive, truck, and bus, manufacturing BLS benchmark).

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

Hedman Manufacturing TCR series: 2017=9.8 · 2020=11.6 · 2021=7.8 · 2022=2.5 · 2023=5 · BLS 5.4

Where Hedman Manufacturing falls in its industry

772 Exhaust systems and parts, aut establishments

Safer than 11% of graded establishments in this industry, whose median TCR is 3.2.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #21 safest of 29 Exhaust systems and parts, aut employers in California.

Hedman Manufacturing (44 employees, TCR 7.3) among 29 same-industry peers, split at the industry median of 154 employees and a TCR of 3.2 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 Hedman Manufacturing
Hedman Manufacturing (44 employees, TCR 7.3) among 29 same-industry peers, split at the industry median of 154 employees and a TCR of 3.2

Hedman Manufacturing has fewer employees than the Exhaust systems and parts, automotive, t median and a higher injury rate than the industry's median TCR of 3.2. 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
2023 5.0 2.5 2 0 0
2022 2.5 2.5 1 0 0
2021 7.8 7.8 4 0 0
2020 11.6 2.3 5 0 0
2017 9.8 4.9 2 2 0

OSHA ITA peer cross-reference

Establishment peer ledger

336390 · CA · Whittier

772 Exhaust systems and parts, automotive, truck, and bus, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 124 employers in Whittier, 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 Inalfa Roof Systems - Cherokee Campus 7.3 TCR
NAICS-TCR Trailer Component Manufacturing 7.4 TCR
NAICS-TCR Ohio Metal Technologies, Inc. 7.2 TCR
NAICS-TCR AHK 7.2 TCR
STATE-SIZE Firebaugh 44 FTE
STATE-SIZE Boutonnet Farms 44 FTE
STATE-SIZE Central Coast Vineyards 44 FTE
STATE-SIZE FESTIVAL FARMS 44 FTE
CITY-NEAR PIH Health Hospital - Whittier 3,609 FTE
CITY-NEAR California Department of Transportation Facility 499 2,621 FTE
CITY-NEAR PIH Health Hospital - Downey 1,130 FTE
CITY-NEAR PIH Health Physicians 819 FTE
NAT-TCR Food City 069 7.3 TCR
NAT-TCR SeaView Community Services 7.3 TCR
NAT-TCR Dickenson Community Hospital 7.3 TCR
NAT-TCR Interstate Business Solutions 7.3 TCR
NAT-SIZE Kerr Masonry, Inc. 44 FTE
NAT-SIZE Covenant College 44 FTE
NAT-SIZE JFK Branch 44 FTE
NAT-SIZE BCI - Arlington 44 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: 2023, 2022, 2021, 2020, 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.