Job stampings, automotive, metal, manufacturing · Michigan

Martinrea INC Jonesville

Jonesville, MI · ~640 workers · 4 years of OSHA Injury Tracking Application data.

B
Good Safety Record
3.9
Avg TCR
5.4
Industry avg
0
Fatalities
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The verdict

Martinrea INC Jonesville runs at 71% of its industry's injury rate - safer than the typical Job stampings, automotive, metal, manufacturing workplace, earning a grade B.

Martinrea INC Jonesville: 3.9 TCR = 71% of Job stampings, automotive, metal, manufacturing BLS 5.4 · 4y Form 300A (see methodology below)

Martinrea INC Jonesville safety composite

Martinrea INC Jonesville scores strongest on total case rate (tcr) (safer than 63% of same-industry peers) and weakest on dart rate (safer than 50%), 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

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 3.85 per 100 workers

Safer than 63% of industry peers

DART rate
D 1.84 per 100 workers

Safer than 50% 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

−2.0

2016→2024

Martinrea INC Jonesville injury rate improved

Martinrea INC Jonesville's TCR fell 2.0 from 4.5 in 2016 to 2.5 in 2024. Peak filing year was 2016 at 4.5 TCR. In 2024, DART was 0.48× this establishment's average TCR (severity share of cases).

2016=4.5 · 2018=3.8 · 2023=4.5 · 2024=2.5

OSHA ITA Form 300A scorecard

Establishment book 336370 · Jonesville, MI AT/BELOW-IND · MID

Grade B · TCR 3.9 · 71% of ind

  • DART 1.8 DART
  • RANK #53/165
  • PHOTO Lear Corporation - G…
  • BOOK 4y book
  • INJ 105 inj
  • SIZE ~640 FTE

Nearest TCR peer: Lear Corporation - Grand Rapids - Woodfield (0.0 TCR gap)

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

Martinrea INC Jonesville in the TCR neighbourhood

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

TCR

What this shows Martinrea INC Jonesville averages 3.9 TCR (71% of the Job stampings, automotive, metal, manufacturing BLS benchmark).

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

Martinrea INC Jonesville TCR series: 2016=4.5 · 2018=3.8 · 2023=4.5 · 2024=2.5 · BLS 5.4

Where Martinrea INC Jonesville falls in its industry

510 Job stampings, automotive, met establishments

Safer than 63% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #53 safest of 165 Job stampings, automotive, met employers in Michigan.

Martinrea INC Jonesville (640 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 145 employees and a TCR of 4.5 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 05001,0001,500 024681012 Average employees Total Case Rate Martinrea INC Jonesville
Martinrea INC Jonesville (640 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 145 employees and a TCR of 4.5

Martinrea INC Jonesville has more employees than the Job stampings, automotive, metal, manufa median and a lower injury rate than the industry's median TCR of 4.5. 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 2.5 1.8 18 0 0
2023 4.5 3.5 36 0 0
2018 3.8 2.1 18 0 0
2016 4.5 3.4 33 2 0

OSHA ITA peer cross-reference

Establishment peer ledger

336370 · MI · Jonesville

510 Job stampings, automotive, metal, manufacturing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 15 employers in Jonesville, MI · 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 Lear Corporation - Grand Rapids - Woodfield 3.9 TCR
NAICS-TCR KIRCHHOFF AUTOMOTIVE MANCHESTER 3.8 TCR
NAICS-TCR TMM (USA), Inc. 3.9 TCR
NAICS-TCR Lone Star Assembly (Challenge Manufacturing Plant 6) 3.8 TCR
STATE-SIZE NEAPCO Drivelines 640 FTE
STATE-SIZE Henry Ford -Fairlane 640 FTE
STATE-SIZE Boars Head Holland 638 FTE
STATE-SIZE Lake Shore Public Schools 638 FTE
CITY-NEAR Martinrea Jonesville/North Adams 632 FTE
CITY-NEAR WM 1809 289 FTE
CITY-NEAR 1809 275 FTE
CITY-NEAR Nyloncraft 212 FTE
NAT-TCR McAllen 10258 3.9 TCR
NAT-TCR Foundation Court 3.9 TCR
NAT-TCR AMI Metals KS 3.9 TCR
NAT-TCR Hammelmans Floral, LLC 3.9 TCR
NAT-SIZE New Ulm Medical Center 640 FTE
NAT-SIZE ScriptPro LLC 640 FTE
NAT-SIZE Franklin Public Schools 640 FTE
NAT-SIZE 8027688 Callaway Golf 640 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, 2018, 2016. 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.