Ready-mix concrete manufacturing and distributing · Michigan

817 - Koenig

Detroit, MI · ~33 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
9.5
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

817 - Koenig runs at 288% of its industry's injury rate - far more dangerous than the typical Ready-mix concrete manufacturing and distributing workplace, earning a grade F.

817 - Koenig: 9.5 TCR = 288% of Ready-mix concrete manufacturing and distributing BLS 3.3 · 4y Form 300A (see methodology below)

817 - Koenig safety composite

817 - Koenig scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 7%), 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

20/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 9.52 per 100 workers

Safer than 12% of industry peers

DART rate
F 10.57 per 100 workers

Safer than 7% 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%).

Rising injury rate

817 - Koenig: 5.5 → 21.1 TCR

Peak year 2024 @ 21.1 TCR · DART/TCR 1.11× in 2024

817 - Koenig's TCR rose 15.7 from 5.5 in 2021 to 21.1 in 2024. In 2024, DART was 1.11× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 327320 · Detroit, MI ABOVE-IND · SMALL

Grade F · TCR 9.5 · 288% of ind

  • DART 10.6 DART
  • RANK #39/43
  • PHOTO CDA Redi Mix & Precast
  • BOOK 4y book
  • INJ 14 inj
  • SIZE ~33 FTE

Nearest TCR peer: CDA Redi Mix & Precast (0.0 TCR gap)

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

817 - Koenig in the TCR neighbourhood

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

TCR

What this shows 817 - Koenig averages 9.5 TCR (288% 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

817 - Koenig TCR series: 2021=5.5 · 2022=6 · 2023=5.5 · 2024=21.1 · BLS 3.3

Where 817 - Koenig falls in its industry

1,316 Ready-mix concrete manufacturi establishments

Safer than 12% 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 #39 safest of 43 Ready-mix concrete manufacturi employers in Michigan.

817 - Koenig (33 employees, TCR 9.5) 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 817 - Koenig
817 - Koenig (33 employees, TCR 9.5) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

817 - Koenig has more 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
2024 21.1 10.6 8 0 0
2023 5.5 5.5 2 0 0
2022 6.0 6.0 2 0 0
2021 5.5 5.5 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · MI · Detroit

1,316 Ready-mix concrete manufacturing and distributing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 673 employers in Detroit, 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 CDA Redi Mix & Precast 9.5 TCR
NAICS-TCR Package Pavement Co., Inc. 9.5 TCR
NAICS-TCR Hudson Plant 9.5 TCR
NAICS-TCR LITTLE LISA INC 9.6 TCR
STATE-SIZE PRH GROUP LLC 33 FTE
STATE-SIZE Three Rivers Svc Ctr 33 FTE
STATE-SIZE Alpena Power Company 33 FTE
STATE-SIZE Water Treatment City of Wyoming 33 FTE
CITY-NEAR Henry Ford Hospital 8,838 FTE
CITY-NEAR Detroit Campus 8,632 FTE
CITY-NEAR Delta Air Lines - DTW 6,640 FTE
CITY-NEAR General Motors Corporation 5,241 FTE
NAT-TCR Bbb 16070 9.5 TCR
NAT-TCR Lakeside TLF, LLC 9.5 TCR
NAT-TCR Shorb Landscaping (Kensington) 9.5 TCR
NAT-TCR Hudson Line Logistics LLC 9.5 TCR
NAT-SIZE Manchester Industries Wilkes Barre 33 FTE
NAT-SIZE Alarm-Tech Security Systems, Inc. 33 FTE
NAT-SIZE Nolana 33 FTE
NAT-SIZE Michigan 33 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. 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.