Employer · Michigan

42201389--Flat Rock Assembly Plant

Flat Rock, MI · ~27 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
9.9
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

42201389--Flat Rock Assembly Plant runs at 302% of its industry's injury rate - far more dangerous than the typical industry workplace, earning a grade F.

42201389--Flat Rock Assembly Plant: 9.9 TCR = 302% of industry BLS 3.3 · 2y Form 300A (see methodology below)

42201389--Flat Rock Assembly Plant safety composite

42201389--Flat Rock Assembly Plant scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 1%), 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

14/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 9.95 per 100 workers

Safer than 4% of industry peers

DART rate
F 8.77 per 100 workers

Safer than 1% 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%).

Rising injury rate

42201389--Flat Rock Assembly Plant: 6.7 → 13.2 TCR

Peak year 2017 @ 13.2 TCR · DART/TCR 0.88× in 2017

42201389--Flat Rock Assembly Plant's TCR rose 6.4 from 6.7 in 2016 to 13.2 in 2017. In 2017, DART was 0.88× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 333999 · Flat Rock, MI ABOVE-IND · SMALL

Grade F · TCR 9.9 · 302% of ind

  • DART 8.8 DART
  • RANK #21/21
  • PHOTO Oil-Rite Corporation
  • BOOK 2y book
  • INJ 5 inj
  • SIZE ~27 FTE

Nearest TCR peer: Oil-Rite Corporation (0.3 TCR gap)

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

42201389--Flat Rock Assembly Plant in the TCR neighbourhood

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

TCR

What this shows 42201389--Flat Rock Assembly Plant averages 9.9 TCR (302% of the industry BLS benchmark).

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

42201389--Flat Rock Assembly Plant TCR series: 2016=6.7 · 2017=13.2 · BLS 3.3

Where 42201389--Flat Rock Assembly Plant falls in its industry

242 industry establishments

Safer than 4% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #21 safest of 21 industry employers in Michigan.

42201389--Flat Rock Assembly Plant (27 employees, TCR 9.9) among 29 same-industry peers, split at the industry median of 81 employees and a TCR of 2.5 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 02004006008001,000 0102030 Average employees Total Case Rate 42201389--Flat Rock Assembly Plant
42201389--Flat Rock Assembly Plant (27 employees, TCR 9.9) among 29 same-industry peers, split at the industry median of 81 employees and a TCR of 2.5

42201389--Flat Rock Assembly Plant has fewer employees than the industry median and a higher injury rate than the industry's median TCR of 2.5. 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
2017 13.2 8.8 3 0 0
2016 6.7 3.4 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333999 · MI · Flat Rock

242 industry employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 17 employers in Flat Rock, 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 Oil-Rite Corporation 10.2 TCR
NAICS-TCR Centrifugal Services 10.3 TCR
NAICS-TCR APEL INTERNATIONAL INC. 10.8 TCR
NAICS-TCR Gasbarre Products - Press Division 10.9 TCR
STATE-SIZE Badger Evergreen Nursery LLC 27 FTE
STATE-SIZE K Drive Greenhouse Co 27 FTE
STATE-SIZE Masterpiece Flower Company LLC - Merchandising (MO) 27 FTE
STATE-SIZE Luurtsema Sales Inc. 27 FTE
CITY-NEAR Flat Rock Assembly 2,326 FTE
CITY-NEAR Flat Rock Metal,Inc. 274 FTE
CITY-NEAR Meijer #278 244 FTE
CITY-NEAR 278 - Flat Rock MI 237 FTE
NAT-TCR 0312 - Attleboro, Ma 9.9 TCR
NAT-TCR FF44436 9.9 TCR
NAT-TCR Englewood Center (Coegl) 9.9 TCR
NAT-TCR Herb Chambers Andover Street Inc 9.9 TCR
NAT-SIZE U.S office- Sales & Distribution- Lewmar Inc. 27 FTE
NAT-SIZE Midwest Scrap Management PC 27 FTE
NAT-SIZE 0346 - Hialeah, Fl 27 FTE
NAT-SIZE 0296 - Spokane, Wa 27 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: 2017, 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.