Motor Vehicle Gasoline Engine and Engine Parts Manufacturing · Michigan

Trenton South Engine Plant

Trenton, MI · ~892 workers · 8 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.1
Avg TCR
5.4
Industry avg
0
Fatalities
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The verdict

Trenton South Engine Plant runs at 21% of its industry's injury rate - far safer than the typical Motor Vehicle Gasoline Engine and Engine Parts Manufacturing workplace, earning a grade A.

Trenton South Engine Plant: 1.1 TCR = 21% of Motor Vehicle Gasoline Engine and Engine Parts Manufacturing BLS 5.4 · 8y Form 300A (see methodology below)

Trenton South Engine Plant safety composite

Trenton South Engine Plant scores strongest on total case rate (tcr) (safer than 84% of same-industry peers) and weakest on fatalities (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

69/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.13 per 100 workers

Safer than 84% of industry peers

DART rate
C 0.81 per 100 workers

Safer than 65% 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

−1.0

2016→2023

Trenton South Engine Plant injury rate improved

Trenton South Engine Plant's TCR fell 1.0 from 2.0 in 2016 to 0.9 in 2023. Peak filing year was 2016 at 2.0 TCR. In 2023, DART was 0.72× this establishment's average TCR (severity share of cases).

2016=2.0 · 2017=1.1 · 2018=1.6 · 2019=1.1 · 2020=1.3 · 2021=0.5 · 2022=0.7 · 2023=0.9

OSHA ITA Form 300A scorecard

Establishment book 336310 · Trenton, MI AT/BELOW-IND · MID

Grade A · TCR 1.1 · 21% of ind

  • DART 0.8 DART
  • RANK #8/55
  • PHOTO Alfmeier Friedrichs …
  • BOOK 8y book
  • INJ 89 inj
  • SIZE ~892 FTE

Nearest TCR peer: Alfmeier Friedrichs & Rath LLC (0.0 TCR gap)

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

Trenton South Engine Plant in the TCR neighbourhood

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

TCR

What this shows Trenton South Engine Plant averages 1.1 TCR (21% of the Motor Vehicle Gasoline Engine and Engine Parts Manufacturing BLS benchmark).

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

Trenton South Engine Plant TCR series: 2016=2 · 2017=1.1 · 2018=1.6 · 2019=1.1 · 2020=1.3 · 2021=0.5 · 2022=0.7 · 2023=0.9 · BLS 5.4

Where Trenton South Engine Plant falls in its industry

221 Motor Vehicle Gasoline Engine establishments

Safer than 84% of graded establishments in this industry, whose median TCR is 2.9.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 55 Motor Vehicle Gasoline Engine employers in Michigan.

Trenton South Engine Plant (892 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 165 employees and a TCR of 2.9 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 02004006008001,000 05101520 Average employees Total Case Rate Trenton South Engine Plant
Trenton South Engine Plant (892 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 165 employees and a TCR of 2.9

Trenton South Engine Plant has more employees than the Motor Vehicle Gasoline Engine and Engine median and a lower injury rate than the industry's median TCR of 2.9. 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
2023 0.9 0.8 7 0 0
2022 0.7 0.5 6 0 0
2021 0.5 0.0 3 0 0
2020 1.3 1.0 11 0 0
2019 1.1 0.5 9 4 0
2018 1.6 1.1 18 1 0
2017 1.1 0.8 14 0 0
2016 2.0 1.2 21 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

336310 · MI · Trenton

221 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 36 employers in Trenton, 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 Alfmeier Friedrichs & Rath LLC 1.1 TCR
NAICS-TCR Fort Mill II 1.1 TCR
NAICS-TCR Dundee Engine Plant 1.1 TCR
NAICS-TCR Trenton Engine Plant North 1.1 TCR
STATE-SIZE Boyne Mountain Resort 892 FTE
STATE-SIZE Grand Rapids 893 FTE
STATE-SIZE Oakland Management Corp. 889 FTE
STATE-SIZE Great Lakes Home Health 38-3206511 889 FTE
CITY-NEAR 2250-7 1,315 FTE
CITY-NEAR Steel Tool & Engineering 597 FTE
CITY-NEAR Trenton North Engine Plant 483 FTE
CITY-NEAR City of Trenton - Organized Recreation 129 FTE
NAT-TCR Hampton Inn Easton 1.1 TCR
NAT-TCR Courtyard by Marriott St. Louis Downtown West 1.1 TCR
NAT-TCR Waubonsee Community College #516 1.1 TCR
NAT-TCR Big Lots Store #1755 CENTERREACH, NY 1.1 TCR
NAT-SIZE Medtronic Heart Valve, Inc. 892 FTE
NAT-SIZE Nu Skin Enterprises 892 FTE
NAT-SIZE 437141-Providence Ri P&Dc 892 FTE
NAT-SIZE 482274-Dallas Tx P&Dc 892 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, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.