Addition, alteration and renovation for-sale builders, commercial and institutional building · Minnesota

TerWisscha Construction, Inc

Willmar, MN · ~62 workers · 8 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.4
Avg TCR
2.9
Industry avg
0
Fatalities
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The verdict

TerWisscha Construction, Inc runs at 153% of its industry's injury rate - more dangerous than the typical Addition, alteration and renovation for-sale builders, commercial and institutional building workplace, earning a grade D.

TerWisscha Construction, Inc: 4.4 TCR = 153% of Addition, alteration and renovation for-sale builders, commercial and institutional building BLS 2.9 · 8y Form 300A (see methodology below)

TerWisscha Construction, Inc safety composite

TerWisscha Construction, Inc scores strongest on dart rate (safer than 73% of same-industry peers) and weakest on total case rate (tcr) (safer than 26%), 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

49/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.44 per 100 workers

Safer than 26% 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

TerWisscha Construction, Inc: 7.5 → 9.2 TCR

Peak year 2024 @ 9.2 TCR · DART/TCR 0× in 2024

TerWisscha Construction, Inc's TCR rose 1.7 from 7.5 in 2017 to 9.2 in 2024. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 236220 · Willmar, MN ABOVE-IND · SMALL

Grade D · TCR 4.4 · 153% of ind

  • DART 0.0 DART
  • RANK #80/130
  • PHOTO Hagen Construction
  • BOOK 8y book
  • INJ 23 inj
  • SIZE ~62 FTE

Nearest TCR peer: Hagen Construction (0.0 TCR gap)

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

TerWisscha Construction, Inc in the TCR neighbourhood

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

TCR

What this shows TerWisscha Construction, Inc averages 4.4 TCR (153% of the Addition, alteration and renovation for-sale builders, commercial and institutional building BLS benchmark).

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

TerWisscha Construction, Inc TCR series: 2017=7.5 · 2018=0 · 2019=5.1 · 2020=4.6 · 2021=3.3 · 2022=2.5 · 2023=3.4 · 2024=9.2 · BLS 2.9

Where TerWisscha Construction, Inc falls in its industry

4,692 Addition, alteration and renov establishments

Safer than 26% of graded establishments in this industry, whose median TCR is 2.3.

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #80 safest of 130 Addition, alteration and renov employers in Minnesota.

TerWisscha Construction, Inc (62 employees, TCR 4.4) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3 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 02468 Average employees Total Case Rate TerWisscha Construction, Inc
TerWisscha Construction, Inc (62 employees, TCR 4.4) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

TerWisscha Construction, Inc has more employees than the Addition, alteration and renovation for- median and a higher injury rate than the industry's median TCR of 2.3. 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 9.2 0.0 7 0 0
2023 3.4 0.0 3 0 0
2022 2.5 1.3 2 0 0
2021 3.3 3.3 2 0 0
2020 4.6 1.5 3 0 0
2019 5.1 0.0 3 0 0
2018 0.0 0.0 0 0 0
2017 7.5 0.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · MN · Willmar

4,692 Addition, alteration and renovation for-sale builders, commercial and institutional building 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 Metric
NAICS-TCR Hagen Construction 4.4 TCR
NAICS-TCR Combs Interior Specialties, Inc. 4.4 TCR
NAICS-TCR Gray Ohio Valley 4.4 TCR
NAICS-TCR Nuway Construction 4.4 TCR
STATE-SIZE Pipestone System Services 62 FTE
STATE-SIZE Sports Group 62 FTE
STATE-SIZE BlueLinx Corporation Aitkin 62 FTE
STATE-SIZE Nor-Son Construction 62 FTE
CITY-NEAR Willmar Avenue Plant 1,205 FTE
CITY-NEAR Willmar Ave Plant 1,096 FTE
CITY-NEAR Carris Health Rice Hospital 848 FTE
CITY-NEAR CentraCare Rice Memorial Hospital 742 FTE
NAT-TCR Basic Grain Products Inc. 4.4 TCR
NAT-TCR Delaware River Stevedores - Tioga Marine Terminal 4.4 TCR
NAT-TCR Meiwa Industry North America, Inc. 4.4 TCR
NAT-TCR Acra Cast 4.4 TCR
NAT-SIZE ABF Freight 153 62 FTE
NAT-SIZE National Plant Services 62 FTE
NAT-SIZE Tuscany Villa of Naples 62 FTE
NAT-SIZE Family Food Products, Inc. 62 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, 2020, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.