Differential and rear axle assemblies, automotive, truck, and bus, manufacturing · Michigan

Aam Trmf

Three Rivers, MI · ~1,280 workers · 5 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

Aam Trmf runs at 20% of its industry's injury rate - far safer than the typical Differential and rear axle assemblies, automotive, truck, and bus, manufacturing workplace, earning a grade A.

Aam Trmf: 1.1 TCR = 20% of Differential and rear axle assemblies, automotive, truck, and bus, manufacturing BLS 5.4 · 5y Form 300A (see methodology below)

Aam Trmf safety composite

Aam Trmf scores strongest on total case rate (tcr) (safer than 84% of same-industry peers) and weakest on fatalities (safer than 51%), 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

68/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.09 per 100 workers

Safer than 84% of industry peers

DART rate
C 0.62 per 100 workers

Safer than 62% 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

−1.1

2016→2024

Aam Trmf injury rate improved

Aam Trmf's TCR fell 1.1 from 1.7 in 2016 to 0.6 in 2024. Peak filing year was 2016 at 1.7 TCR. In 2024, DART was 0.57× this establishment's average TCR (severity share of cases).

2016=1.7 · 2021=0.8 · 2022=1.1 · 2023=1.2 · 2024=0.6

OSHA ITA Form 300A scorecard

Establishment book 336350 · Three Rivers, MI AT/BELOW-IND · LARGE

Grade A · TCR 1.1 · 20% of ind

  • DART 0.6 DART
  • RANK #12/61
  • PHOTO GKN Driveline North …
  • BOOK 5y book
  • INJ 86 inj
  • SIZE ~1,280 FTE

Nearest TCR peer: GKN Driveline North America (0.0 TCR gap)

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

Aam Trmf in the TCR neighbourhood

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

TCR

What this shows Aam Trmf averages 1.1 TCR (20% of the Differential and rear axle assemblies, automotive, truck, and bus, manufacturing BLS benchmark).

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

Aam Trmf TCR series: 2016=1.7 · 2021=0.8 · 2022=1.1 · 2023=1.2 · 2024=0.6 · BLS 5.4

Where Aam Trmf falls in its industry

320 Differential and rear axle ass 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 #12 safest of 61 Differential and rear axle ass employers in Michigan.

Aam Trmf (1,280 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 200 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 01,0002,0003,0004,000 051015 Average employees Total Case Rate Aam Trmf
Aam Trmf (1,280 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 200 employees and a TCR of 2.9

Aam Trmf has more employees than the Differential and rear axle assemblies, a 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
2024 0.6 0.6 10 0 0
2023 1.2 1.2 19 0 0
2022 1.1 1.1 16 0 0
2021 0.8 0.8 11 0 0
2016 1.7 1.6 30 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

336350 · MI · Three Rivers

320 Differential and rear axle assemblies, automotive, truck, and bus, manufacturing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 41 employers in Three Rivers, 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 GKN Driveline North America 1.1 TCR
NAICS-TCR Meritor Forest City 1.1 TCR
NAICS-TCR Napoleon Facility 1.1 TCR
NAICS-TCR Motion Systems : Olive Branch 1.1 TCR
STATE-SIZE Trinity Information Services 1,281 FTE
STATE-SIZE YMCA of Greater Grand Rapids 1,278 FTE
STATE-SIZE VAN DYKE PLNT 1,275 FTE
STATE-SIZE SMR Automotive 1,275 FTE
CITY-NEAR Three Rivers Health 481 FTE
CITY-NEAR Three Rivers Hospital 302 FTE
CITY-NEAR Armstrong International - Three Rivers Division 289 FTE
CITY-NEAR WM 3791 261 FTE
NAT-TCR Bluebell Place Builders 1.1 TCR
NAT-TCR El Cajon CA Home Center 1.1 TCR
NAT-TCR Nestle-McDonough 1.1 TCR
NAT-TCR Composidie Toolex Div. 1.1 TCR
NAT-SIZE Soji Services, Inc 1,280 FTE
NAT-SIZE White Bear Lake Area Schools 1,280 FTE
NAT-SIZE AdventHealth Sebring 1,279 FTE
NAT-SIZE Amazon.com Services LLC - IAH1 1,279 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, 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.