Acid plant construction · Minnesota

Maertens- Brenny Construction Company

Name: Maertens- Brenny Construction Company Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

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

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 2.4
Avg TCR: 2.9
Industry avg: 0
Fatalities

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The verdict

Maertens- Brenny Construction Company runs at 84% of its industry's injury rate - about level with the typical Acid plant construction workplace, earning a grade C.

Maertens- Brenny Construction Company: 2.4 TCR = 84% of Acid plant construction BLS 2.9 · 2y Form 300A (see methodology below)

Maertens- Brenny Construction Company safety composite

Maertens- Brenny Construction Company scores strongest on dart rate (safer than 73% of same-industry peers) and weakest on total case rate (tcr) (safer than 38%), 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).

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 2.43 per 100 workers

Safer than 38% of industry peers
DART rate: C 0 per 100 workers

Safer than 73% 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

Maertens- Brenny Construction Company: 1.7 → 3.2 TCR

Peak year 2019 @ 3.2 TCR · DART/TCR 0× in 2019

Maertens- Brenny Construction Company's TCR rose 1.5 from 1.7 in 2018 to 3.2 in 2019. In 2019, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 236210 · Minneapolis, MN AT/BELOW-IND · SMALL

Grade C · TCR 2.4 · 84% of ind

DART 0.0 DART
RANK #10/20
PHOTO Craftcorps Inc
BOOK 2y book
INJ 3 inj
SIZE ~53 FTE

Nearest TCR peer: Craftcorps Inc (0.0 TCR gap)

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

CR Meyer - Rhi

2.5
184704 Oregon

2.5
Kendall Constr

2.5
This site

2.4
Craftcorps Inc

2.4

What this shows Maertens- Brenny Construction Company averages 2.4 TCR (84% of the Acid plant construction BLS benchmark).

Maertens- Brenny Construction Company TCR series: 2018=1.7 · 2019=3.2 · BLS 2.9

Where Maertens- Brenny Construction Company falls in its industry

924 Acid plant construction establishments

Safer than 38% of graded establishments in this industry, whose median TCR is 1.6.

Grade C

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #10 safest of 20 Acid plant construction employers in Minnesota.

Maertens- Brenny Construction Company (53 employees, TCR 2.4) among 29 same-industry peers, split at the industry median of 71 employees and a TCR of 1.6

Maertens- Brenny Construction Company has fewer employees than the Acid plant construction median and a higher injury rate than the industry's median TCR of 1.6. 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
2019	3.2	0.0	2	0	0
2018	1.7	0.0	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

236210 · MN · Minneapolis

924 Acid plant construction employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 1,321 employers in Minneapolis, 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	Craftcorps Inc	AUSTIN, TX	2.4 TCR
NAICS-TCR	CR Meyer - Rhinelander	RHINELANDER, WI	2.5 TCR
NAICS-TCR	184704 Oregon Clean Energy	OREGON, OH	2.5 TCR
NAICS-TCR	Kendall Construction, Inc.	TOPEKA, KS	2.5 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	Michels Power- MN	ROGERS	53 FTE
CITY-NEAR	University of Minnesota Twin Cities	Minneapolis	22,522 FTE
CITY-NEAR	MN950 MN TELECOMMUTER	Minneapolis	12,021 FTE
CITY-NEAR	0501 - City Center	Minneapolis	8,459 FTE
CITY-NEAR	Hennepin County Medical Center	Minneapolis	7,030 FTE
NAT-TCR	0000000035 Quick Chek Food Stores	Hillsborough, NJ	2.4 TCR
NAT-TCR	W French Quarter New Orleans Hotel	New Orleans, LA	2.4 TCR
NAT-TCR	Lakefront Lines Cincinnati	Fairfield, OH	2.4 TCR
NAT-TCR	Shopko Hometown #767 (Worland, WY)	Worland, WY	2.4 TCR
NAT-SIZE	Avon Lake Family Health Center	Avon Lake, OH	53 FTE
NAT-SIZE	Hunter Truck Sales and Service - Swedesboro	Swedesboro, NJ	53 FTE
NAT-SIZE	Advanced Disposal - Decatur Hauling	Decatur, IL	53 FTE
NAT-SIZE	Prairie City Landing	Folsom, CA	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: 2019, 2018. 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.