Foundation, building, poured concrete, contractors · Minnesota

Double J Concrete and Masonry, Inc.

Name: Double J Concrete and Masonry, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Willmar, MN · ~53 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 10.1
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Double J Concrete and Masonry, Inc. runs at 360% of its industry's injury rate - far more dangerous than the typical Foundation, building, poured concrete, contractors workplace, earning a grade F.

Double J Concrete and Masonry, Inc.: 10.1 TCR = 360% of Foundation, building, poured concrete, contractors BLS 2.8 · 2y Form 300A (see methodology below)

Double J Concrete and Masonry, Inc. safety composite

Double J Concrete and Masonry, Inc. 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).

21/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 10.07 per 100 workers

Safer than 11% of industry peers
DART rate: F 7.14 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%).

Rising injury rate

Double J Concrete and Masonry, Inc.: 5.9 → 14.3 TCR

Peak year 2018 @ 14.3 TCR · DART/TCR 0.71× in 2018

Double J Concrete and Masonry, Inc.'s TCR rose 8.4 from 5.9 in 2017 to 14.3 in 2018. In 2018, DART was 0.71× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238110 · Willmar, MN ABOVE-IND · SMALL

Grade F · TCR 10.1 · 360% of ind

DART 7.1 DART
RANK #20/27
PHOTO Mayfield Constructio…
BOOK 2y book
INJ 9 inj
SIZE ~53 FTE

Nearest TCR peer: Mayfield Construction Shop and Offices (0.0 TCR gap)

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This site

10.1
Mayfield Const

10.1
Younger Brothe

10.1
JES Baltimore

10.1
Brown Foundati

10.1

What this shows Double J Concrete and Masonry, Inc. averages 10.1 TCR (360% of the Foundation, building, poured concrete, contractors BLS benchmark).

Double J Concrete and Masonry, Inc. TCR series: 2017=5.9 · 2018=14.3 · BLS 2.8

Where Double J Concrete and Masonry, Inc. falls in its industry

1,314 Foundation, building, poured c establishments

Safer than 11% of graded establishments in this industry, whose median TCR is 3.8.

Grade F

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #20 safest of 27 Foundation, building, poured c employers in Minnesota.

Double J Concrete and Masonry, Inc. (53 employees, TCR 10.1) among 29 same-industry peers, split at the industry median of 64 employees and a TCR of 3.8

Double J Concrete and Masonry, Inc. has fewer employees than the Foundation, building, poured concrete, c median and a higher injury rate than the industry's median TCR of 3.8. 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
2018	14.3	7.1	6	0	0
2017	5.9	4.4	3	1	0

OSHA ITA peer cross-reference

Establishment peer ledger

238110 · MN · Willmar

1,314 Foundation, building, poured concrete, contractors employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 154 employers in Willmar, MN · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Mayfield Construction Shop and Offices	CHAMPAIGN, IL	10.1 TCR
NAICS-TCR	Younger Brothers Builder LLC dba Younger Brothers Development	PEORIA, AZ	10.1 TCR
NAICS-TCR	JES Baltimore	NOTTINGHAM, MD	10.1 TCR
NAICS-TCR	Brown Foundation Repair LTD	DALLAS, TX	10.1 TCR
STATE-SIZE	North Ottawa	WENDELL	53 FTE
STATE-SIZE	Perham Breeder Farms	PERHAM	53 FTE
STATE-SIZE	Wastewater Treatment Facility	HUTCHINSON	53 FTE
STATE-SIZE	Maertens- Brenny Construction Company	MINNEAPOLIS	53 FTE
CITY-NEAR	Willmar Avenue Plant	Willmar	1,205 FTE
CITY-NEAR	Willmar Ave Plant	Willmar	1,096 FTE
CITY-NEAR	Carris Health Rice Hospital	Willmar	848 FTE
CITY-NEAR	CentraCare Rice Memorial Hospital	Willmar	742 FTE
NAT-TCR	GLC Golden Rule	Richmond, IN	10.1 TCR
NAT-TCR	Sodexo at Tenet Providence East Mc Evs	El Paso, TX	10.1 TCR
NAT-TCR	City Hall	Palos Heights, IL	10.1 TCR
NAT-TCR	Diversicare of Council Grove	Council Grove, KS	10.1 TCR
NAT-SIZE	To The Resuce Colorado	Parker, CO	53 FTE
NAT-SIZE	WIB Springfield	Springfield, MO	53 FTE
NAT-SIZE	RAH Phoenix Division Office/Home Gallery	Scottsdale, AZ	53 FTE
NAT-SIZE	Clover Technologies Group, LLC - Hoffman Barrington	Hoffman Estates, IL	53 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: 2018, 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.