Ready-mix concrete manufacturing and distributing · Michigan

Protocon RM Plant 178

Sterling Heights, MI · ~28 workers · 6 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Protocon RM Plant 178 runs at 172% of its industry's injury rate - more dangerous than the typical Ready-mix concrete manufacturing and distributing workplace, earning a grade D.

Protocon RM Plant 178: 5.7 TCR = 172% of Ready-mix concrete manufacturing and distributing BLS 3.3 · 6y Form 300A (see methodology below)

Protocon RM Plant 178 safety composite

Protocon RM Plant 178 scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 10%), 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

31/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5.68 per 100 workers

Safer than 37% of industry peers

DART rate
F 9.2 per 100 workers

Safer than 10% 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

−1.6

2016→2023

Protocon RM Plant 178 injury rate improved

Protocon RM Plant 178's TCR fell 1.6 from 10.8 in 2016 to 9.2 in 2023. Peak filing year was 2016 at 10.8 TCR. In 2023, DART was 1.62× this establishment's average TCR (severity share of cases).

2016=10.8 · 2017=8.1 · 2018=3.2 · 2020=0.0 · 2022=2.8 · 2023=9.2

OSHA ITA Form 300A scorecard

Establishment book 327320 · Sterling Heights, MI ABOVE-IND · SMALL

Grade D · TCR 5.7 · 172% of ind

  • DART 9.2 DART
  • RANK #26/43
  • PHOTO Adelanto Plant #19
  • BOOK 6y book
  • INJ 9 inj
  • SIZE ~28 FTE

Nearest TCR peer: Adelanto Plant #19 (0.0 TCR gap)

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

Protocon RM Plant 178 in the TCR neighbourhood

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

TCR

What this shows Protocon RM Plant 178 averages 5.7 TCR (172% of the Ready-mix concrete manufacturing and distributing BLS benchmark).

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

Protocon RM Plant 178 TCR series: 2016=10.8 · 2017=8.1 · 2018=3.2 · 2020=0 · 2022=2.8 · 2023=9.2 · BLS 3.3

Where Protocon RM Plant 178 falls in its industry

1,316 Ready-mix concrete manufacturi establishments

Safer than 37% 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 #26 safest of 43 Ready-mix concrete manufacturi employers in Michigan.

Protocon RM Plant 178 (28 employees, TCR 5.7) among 29 same-industry peers, split at the industry median of 33 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 0100200300400500 051015 Average employees Total Case Rate Protocon RM Plant 178
Protocon RM Plant 178 (28 employees, TCR 5.7) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

Protocon RM Plant 178 has fewer employees than the Ready-mix concrete manufacturing and dis median and a higher 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
2023 9.2 9.2 3 0 0
2022 2.8 2.8 1 0 0
2020 0.0 0.0 0 0 0
2018 3.2 0.0 1 0 0
2017 8.1 4.0 2 0 0
2016 10.8 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · MI · Sterling Heights

1,316 Ready-mix concrete manufacturing and distributing 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 Adelanto Plant #19 5.7 TCR
NAICS-TCR Thomas Concrete of Georgia Atlanta 5.7 TCR
NAICS-TCR Plant 40 - Siloam Springs 5.7 TCR
NAICS-TCR INGRAM READYMIX, INC.-BULVERDE #20 5.7 TCR
STATE-SIZE Hamlin Farms 28 FTE
STATE-SIZE Crossroads Dairy 28 FTE
STATE-SIZE Grand Traverse Assembly DBA Grand Traverse Pallet 28 FTE
STATE-SIZE Zeeland Generation 28 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 0175 - Monroe Township Nj (Dry) Depot 5.7 TCR
NAT-TCR Sundstrom Pressed Steel Co. 5.7 TCR
NAT-TCR Store 0552 5.7 TCR
NAT-TCR Store 1144 5.7 TCR
NAT-SIZE McKay's Market Coquille #17 28 FTE
NAT-SIZE Homewood Suites Draper 28 FTE
NAT-SIZE Unit #1399 28 FTE
NAT-SIZE Dickinson Agronomy / Energy 28 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, 2020, 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.