HVAC (heating, ventilation and air-conditioning) contractors · Wisconsin

Grunau Company Inc.

Oak Creek, WI · ~416 workers · 9 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Grunau Company Inc. runs at 81% of its industry's injury rate - about level with the typical HVAC (heating, ventilation and air-conditioning) contractors workplace, earning a grade C.

Grunau Company Inc.: 2.3 TCR = 81% of HVAC (heating, ventilation and air-conditioning) contractors BLS 2.8 · 9y Form 300A (see methodology below)

Grunau Company Inc. safety composite

Grunau Company Inc. scores strongest on total case rate (tcr) (safer than 64% of same-industry peers) and weakest on dart rate (safer than 42%), 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

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.26 per 100 workers

Safer than 64% of industry peers

DART rate
D 1.83 per 100 workers

Safer than 42% 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%).

Grunau Company Inc. held a steady TCR band

Grunau Company Inc.'s TCR held near 0.1 from 2.5 in 2016 to 2.4 in 2024. Peak filing year was 2023 at 3.8 TCR. In 2024, DART was 0.81× this establishment's average TCR (severity share of cases).

2016=2.5 · 2017=2.5 · 2018=2.0 · 2019=1.2 · 2020=2.1 · 2021=1.7 · 2022=2.1 · 2023=3.8 · 2024=2.4

OSHA ITA Form 300A scorecard

Establishment book 238220 · Oak Creek, WI AT/BELOW-IND · MID

Grade C · TCR 2.3 · 81% of ind

  • DART 1.8 DART
  • RANK #43/154
  • PHOTO J&A Mechanical Contr…
  • BOOK 9y book
  • INJ 75 inj
  • SIZE ~416 FTE

Nearest TCR peer: J&A Mechanical Contractors Inc (0.0 TCR gap)

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

Grunau Company Inc. in the TCR neighbourhood

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

TCR

What this shows Grunau Company Inc. averages 2.3 TCR (81% of the HVAC (heating, ventilation and air-conditioning) contractors BLS benchmark).

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

Grunau Company Inc. TCR series: 2016=2.5 · 2017=2.5 · 2018=2 · 2019=1.2 · 2020=2.1 · 2021=1.7 · 2022=2.1 · 2023=3.8 · 2024=2.4 · BLS 2.8

Where Grunau Company Inc. falls in its industry

5,793 HVAC (heating, ventilation and establishments

Safer than 64% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #43 safest of 154 HVAC (heating, ventilation and employers in Wisconsin.

Grunau Company Inc. (416 employees, TCR 2.3) 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 0100200300400500 05101520 Average employees Total Case Rate Grunau Company Inc.
Grunau Company Inc. (416 employees, TCR 2.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Grunau Company Inc. has more employees than the HVAC (heating, ventilation and air-condi median and a lower 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
2024 2.4 1.8 4 0 0
2023 3.8 0.6 6 0 0
2022 2.1 1.3 8 0 0
2021 1.7 0.5 7 0 0
2020 2.1 0.9 9 0 0
2019 1.2 0.6 6 0 0
2018 2.0 0.6 10 0 0
2017 2.5 0.9 14 0 0
2016 2.5 0.6 11 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · WI · Oak Creek

5,793 HVAC (heating, ventilation and air-conditioning) contractors employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 134 employers in Oak Creek, WI · 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 J&A Mechanical Contractors Inc 2.3 TCR
NAICS-TCR Value Pro Mechanical Inc. 2.3 TCR
NAICS-TCR Academy Fire - Grand Prairie BCI 2.3 TCR
NAICS-TCR Mainline Fire Protection - Jefferson City 2.3 TCR
STATE-SIZE Green Bay Dressed Beef Processing 416 FTE
STATE-SIZE 2452 416 FTE
STATE-SIZE WIAPP017 ASCENSION NE WI - MERCY CAMPUS 416 FTE
STATE-SIZE PBN NextEra Energy Point Beach LLC 415 FTE
CITY-NEAR Amazon.com Services LLC - MKE2 3,202 FTE
CITY-NEAR WIOAK - OAK CREEK 1,358 FTE
CITY-NEAR OAK CREEK (WIOAK) 1,240 FTE
CITY-NEAR Stella & Chewy's 740 FTE
NAT-TCR Haddad Hyundai 2.3 TCR
NAT-TCR Ruston Paving Co., Inc - Syracuse, NY 2.3 TCR
NAT-TCR Kernersville 2.3 TCR
NAT-TCR C.W. Roberts Contracting Tallahassee Division 2.3 TCR
NAT-SIZE TOP 416 FTE
NAT-SIZE Metra Electronics Corporation - FL 416 FTE
NAT-SIZE Freudenberg - Cleveland 416 FTE
NAT-SIZE A102 -Antech Lab Fountain Valley (fka Irvine) 416 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, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.