Paving blocks, concrete, manufacturing · Illinois

Unilock Marengo

Marengo, IL · ~20 workers · 5 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.8
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Unilock Marengo runs at 55% of its industry's injury rate - safer than the typical Paving blocks, concrete, manufacturing workplace, earning a grade B.

Unilock Marengo: 1.8 TCR = 55% of Paving blocks, concrete, manufacturing BLS 3.3 · 5y Form 300A (see methodology below)

Unilock Marengo safety composite

Unilock Marengo scores strongest on total case rate (tcr) (safer than 84% of same-industry peers) and weakest on dart rate (safer than 18%), 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).

D

52/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.8 per 100 workers

Safer than 84% of industry peers

DART rate
F 5.61 per 100 workers

Safer than 18% 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

Unilock Marengo: 0.0 → 5.6 TCR

Peak year 2023 @ 5.6 TCR · DART/TCR 3.12× in 2023

Unilock Marengo's TCR rose 5.6 from 0.0 in 2017 to 5.6 in 2023. In 2023, DART was 3.12× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 327331 · Marengo, IL AT/BELOW-IND · SMALL

Grade B · TCR 1.8 · 55% of ind

  • DART 5.6 DART
  • RANK #2/7
  • PHOTO Reimers Kaufman Bloc…
  • BOOK 5y book
  • INJ 3 inj
  • SIZE ~20 FTE

Nearest TCR peer: Reimers Kaufman Block Company (0.0 TCR gap)

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

Unilock Marengo in the TCR neighbourhood

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

TCR

What this shows Unilock Marengo averages 1.8 TCR (55% of the Paving blocks, concrete, manufacturing BLS benchmark).

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

Unilock Marengo TCR series: 2017=0 · 2019=0 · 2020=0 · 2021=3.4 · 2023=5.6 · BLS 3.3

Where Unilock Marengo falls in its industry

321 Paving blocks, concrete, manuf establishments

Safer than 84% of graded establishments in this industry, whose median TCR is 4.1.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 7 Paving blocks, concrete, manuf employers in Illinois.

Unilock Marengo (20 employees, TCR 1.8) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 4.1 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 0100200300 051015 Average employees Total Case Rate Unilock Marengo
Unilock Marengo (20 employees, TCR 1.8) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 4.1

Unilock Marengo has fewer employees than the Paving blocks, concrete, manufacturing median and a lower injury rate than the industry's median TCR of 4.1. 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 5.6 5.6 2 0 0
2021 3.4 3.4 1 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327331 · IL · Marengo

321 Paving blocks, concrete, manufacturing employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 26 employers in Marengo, IL · 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 Reimers Kaufman Block Company 1.8 TCR
NAICS-TCR MIDWEST BLOCK - FAYB 1.8 TCR
NAICS-TCR Florida Best Block - FMYB 1.8 TCR
NAICS-TCR FayBlock Materials 1.8 TCR
STATE-SIZE East Ridge 20 FTE
STATE-SIZE Bay Creek 4 20 FTE
STATE-SIZE Deer Run 20 FTE
STATE-SIZE Grand View Farms, LLC. 20 FTE
CITY-NEAR Mitsubishi Logisnext Americas Marengo 544 FTE
CITY-NEAR UniCarriers Americas 472 FTE
CITY-NEAR Thomson Linear Motion 273 FTE
CITY-NEAR Pork King Packing, Inc. 243 FTE
NAT-TCR RMDS-Atlanta 1.8 TCR
NAT-TCR Microchip Tempe 1.8 TCR
NAT-TCR Premier Automation 1.8 TCR
NAT-TCR Synthetic Grass Warehouse 1.8 TCR
NAT-SIZE Torrington Station 20 FTE
NAT-SIZE DWH Creative Contracting, Inc. 20 FTE
NAT-SIZE Trinity 20 FTE
NAT-SIZE Wellshire Park Place- Milbank 20 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, 2021, 2020, 2019, 2017. 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.