Automatic transmissions, automotive, truck, and bus, manufacturing · Michigan

Diversified Manufacturing and Assembly

Sterling Heights, MI · ~61 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

Diversified Manufacturing and Assembly runs at 72% of its industry's injury rate - safer than the typical Automatic transmissions, automotive, truck, and bus, manufacturing workplace, earning a grade B.

Diversified Manufacturing and Assembly: 3.9 TCR = 72% of Automatic transmissions, automotive, truck, and bus, manufacturing BLS 5.4 · 4y Form 300A (see methodology below)

Diversified Manufacturing and Assembly safety composite

Diversified Manufacturing and Assembly scores strongest on dart rate (safer than 87% of same-industry peers) and weakest on total case rate (tcr) (safer than 33%), 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

56/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 3.9 per 100 workers

Safer than 33% of industry peers

DART rate
B 0 per 100 workers

Safer than 87% 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

−6.7

2017→2024

Diversified Manufacturing and Assembly injury rate improved

Diversified Manufacturing and Assembly's TCR fell 6.7 from 6.7 in 2017 to 0.0 in 2024. Peak filing year was 2023 at 6.8 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=6.7 · 2022=2.1 · 2023=6.8 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 336350 · Sterling Heights, MI AT/BELOW-IND · SMALL

Grade B · TCR 3.9 · 72% of ind

  • DART 0.0 DART
  • RANK #31/61
  • PHOTO Veerdersburg Forge
  • BOOK 4y book
  • INJ 8 inj
  • SIZE ~61 FTE

Nearest TCR peer: Veerdersburg Forge (0.0 TCR gap)

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

Diversified Manufacturing and Assembly in the TCR neighbourhood

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

TCR

What this shows Diversified Manufacturing and Assembly averages 3.9 TCR (72% of the Automatic transmissions, automotive, truck, and bus, manufacturing BLS benchmark).

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

Diversified Manufacturing and Assembly TCR series: 2017=6.7 · 2022=2.1 · 2023=6.8 · 2024=0 · BLS 5.4

Where Diversified Manufacturing and Assembly falls in its industry

320 Automatic transmissions, autom establishments

Safer than 33% 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 #31 safest of 61 Automatic transmissions, autom employers in Michigan.

Diversified Manufacturing and Assembly (61 employees, TCR 3.9) 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 Diversified Manufacturing and Assembly
Diversified Manufacturing and Assembly (61 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 200 employees and a TCR of 2.9

Diversified Manufacturing and Assembly has fewer employees than the Automatic transmissions, automotive, tru median and a higher 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 0.0 0.0 0 0 0
2023 6.8 2.3 3 0 0
2022 2.1 0.0 1 0 0
2017 6.7 1.7 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

336350 · MI · Sterling Heights

320 Automatic transmissions, automotive, truck, and bus, manufacturing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 195 employers in Sterling Heights, 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 Veerdersburg Forge 3.9 TCR
NAICS-TCR Dynatrac 3.9 TCR
NAICS-TCR Ace Transmissions Reman Division LLC 4.0 TCR
NAICS-TCR Metaldyne BSM LLC 4.0 TCR
STATE-SIZE Sietsema Farms Feeds 61 FTE
STATE-SIZE Wolverine Service Center 61 FTE
STATE-SIZE J.R. Heineman & Sons, Inc. 61 FTE
STATE-SIZE 4785_10911 61 FTE
CITY-NEAR Sterling Heights Assembly Plant 5,783 FTE
CITY-NEAR STERLING PLNT 2,319 FTE
CITY-NEAR Sterling Stamping Plant 2,115 FTE
CITY-NEAR Conti, LLC 1,892 FTE
NAT-TCR Broadway Store 3.9 TCR
NAT-TCR DPH Central Office 3.9 TCR
NAT-TCR Sunrise Medica US LLC- Fresno 3.9 TCR
NAT-TCR LifeLine - Wenatchee 3.9 TCR
NAT-SIZE I-Corp, Inc. 61 FTE
NAT-SIZE Administartion Office 61 FTE
NAT-SIZE Anchor Brake Shoe 61 FTE
NAT-SIZE Cherry Valley Orchard, Inc. 61 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, 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.