Air system balancing and testing · Wisconsin

Black-Haak Heating, Inc.

Greenville, WI · ~74 workers · 8 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Black-Haak Heating, Inc. runs at 219% of its industry's injury rate - far more dangerous than the typical Air system balancing and testing workplace, earning a grade F.

Black-Haak Heating, Inc.: 6.1 TCR = 219% of Air system balancing and testing BLS 2.8 · 8y Form 300A (see methodology below)

Black-Haak Heating, Inc. safety composite

Black-Haak Heating, Inc. scores strongest on dart rate (safer than 80% 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

51/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.12 per 100 workers

Safer than 26% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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

Black-Haak Heating, Inc.: 0.0 → 3.7 TCR

Peak year 2020 @ 12.4 TCR · DART/TCR 0× in 2024

Black-Haak Heating, Inc.'s TCR rose 3.7 from 0.0 in 2016 to 3.7 in 2024. Peak filing year was 2020 at 12.4 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Greenville, WI ABOVE-IND · SMALL

Grade F · TCR 6.1 · 219% of ind

  • DART 0.0 DART
  • RANK #105/154
  • PHOTO T&T Plumbing and Hea…
  • BOOK 8y book
  • INJ 37 inj
  • SIZE ~74 FTE

Nearest TCR peer: T&T Plumbing and Heating, Inc. (0.0 TCR gap)

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

Black-Haak Heating, Inc. in the TCR neighbourhood

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

TCR

What this shows Black-Haak Heating, Inc. averages 6.1 TCR (219% 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

Black-Haak Heating, Inc. TCR series: 2016=0 · 2018=8.9 · 2019=11.1 · 2020=12.4 · 2021=4.7 · 2022=6.4 · 2023=1.7 · 2024=3.7 · BLS 2.8

Where Black-Haak Heating, Inc. falls in its industry

5,793 Air system balancing and testi establishments

Safer than 26% 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 #105 safest of 154 Air system balancing and testi employers in Wisconsin.

Black-Haak Heating, Inc. (74 employees, TCR 6.1) 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 Black-Haak Heating, Inc.
Black-Haak Heating, Inc. (74 employees, TCR 6.1) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Black-Haak Heating, Inc. 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
2024 3.7 0.0 4 0 0
2023 1.7 0.0 2 0 0
2022 6.4 2.4 8 0 0
2021 4.7 1.9 5 0 0
2020 12.4 9.3 8 0 0
2019 11.1 3.7 6 0 0
2018 8.9 0.0 4 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · WI · Greenville

5,793 Air system balancing and testing employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 35 employers in Greenville, 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 T&T Plumbing and Heating, Inc. 6.1 TCR
NAICS-TCR Just Service Inc 6.1 TCR
NAICS-TCR Webb Plumbing, Heating & Electric Corp 6.1 TCR
NAICS-TCR Alliance Fire Protection LLC 6.1 TCR
STATE-SIZE Fun Company 74 FTE
STATE-SIZE Summerset Marine Construction 74 FTE
STATE-SIZE Klein-Dickert Milwaukee, Inc. 74 FTE
STATE-SIZE Creative Business Interiors, Inc 74 FTE
CITY-NEAR School Specialty, Inc. - Greenville 653 FTE
CITY-NEAR Amazon.com Services LLC - DML3 229 FTE
CITY-NEAR WI02 161 FTE
CITY-NEAR Valley Bakers 158 FTE
NAT-TCR Summit Pacific Medical Center 6.1 TCR
NAT-TCR Contemporary Watercrafters, Inc. 6.1 TCR
NAT-TCR Alexander Ranch, Inc. 6.1 TCR
NAT-TCR 40501 - Capstone Fd Odessa 6.1 TCR
NAT-SIZE 30246 - CAPSTONE Shamrock Phoenix AZ 74 FTE
NAT-SIZE Woodhvn Forge 74 FTE
NAT-SIZE Oakmont of Fair Oaks 74 FTE
NAT-SIZE Martin County Health Care 74 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, 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.