Air system balancing and testing · Minnesota

1950 Trott Ave

Willmar, MN · ~84 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

1950 Trott Ave runs at 124% of its industry's injury rate - more dangerous than the typical Air system balancing and testing workplace, earning a grade D.

1950 Trott Ave: 3.5 TCR = 124% of Air system balancing and testing BLS 2.8 · 4y Form 300A (see methodology below)

1950 Trott Ave safety composite

1950 Trott Ave scores strongest on dart rate (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 48%), 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

50/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.48 per 100 workers

Safer than 48% of industry peers

DART rate
D 1.1 per 100 workers

Safer than 51% 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

1950 Trott Ave: 1.3 → 5.5 TCR

Peak year 2023 @ 5.5 TCR · DART/TCR 0.32× in 2023

1950 Trott Ave's TCR rose 4.2 from 1.3 in 2017 to 5.5 in 2023. In 2023, DART was 0.32× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Willmar, MN ABOVE-IND · SMALL

Grade D · TCR 3.5 · 124% of ind

  • DART 1.1 DART
  • RANK #54/153
  • PHOTO Acree Air
  • BOOK 4y book
  • INJ 12 inj
  • SIZE ~84 FTE

Nearest TCR peer: Acree Air (0.0 TCR gap)

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

1950 Trott Ave in the TCR neighbourhood

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

TCR

What this shows 1950 Trott Ave averages 3.5 TCR (124% of the Air system balancing and testing BLS benchmark).

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

1950 Trott Ave TCR series: 2017=1.3 · 2021=4.9 · 2022=2.3 · 2023=5.5 · BLS 2.8

Where 1950 Trott Ave falls in its industry

5,793 Air system balancing and testi establishments

Safer than 48% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #54 safest of 153 Air system balancing and testi employers in Minnesota.

1950 Trott Ave (84 employees, TCR 3.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 05101520 Average employees Total Case Rate 1950 Trott Ave
1950 Trott Ave (84 employees, TCR 3.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

1950 Trott Ave has more employees than the Air system balancing and testing median and a higher injury rate than the industry's median TCR of 3.3. 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
2023 5.5 1.1 5 0 0
2022 2.3 1.1 2 0 0
2021 4.9 1.2 4 0 0
2017 1.3 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MN · Willmar

5,793 Air system balancing and testing 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 Acree Air 3.5 TCR
NAICS-TCR Bachman's Inc. 3.5 TCR
NAICS-TCR Fire & Life Safety America Nashville 3.5 TCR
NAICS-TCR Mared Mechanical Contractors Corp 3.5 TCR
STATE-SIZE Newport Service Center 84 FTE
STATE-SIZE Global Specialty Contractors, Inc. 84 FTE
STATE-SIZE OlympiaTech Electric 84 FTE
STATE-SIZE South Office 84 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 Pascagoula 3.5 TCR
NAT-TCR Mike McMurrin Trucking, Inc. 3.5 TCR
NAT-TCR American Red Cross - 8550 Arlington Blvd 3.5 TCR
NAT-TCR Rogers Industrial Products, Inc. 3.5 TCR
NAT-SIZE Victor Reinz Valve Seals, LLC 84 FTE
NAT-SIZE Fountain People, Inc. 84 FTE
NAT-SIZE Nelsen Steel Company 84 FTE
NAT-SIZE Henderson Nissan 84 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, 2022, 2021, 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.