Air system balancing and testing · Montana

Williams Plumbing and Heating

Bozeman, MT · ~241 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
5.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Williams Plumbing and Heating runs at 208% of its industry's injury rate - far more dangerous than the typical Air system balancing and testing workplace, earning a grade F.

Williams Plumbing and Heating: 5.8 TCR = 208% of Air system balancing and testing BLS 2.8 · 3y Form 300A (see methodology below)

Williams Plumbing and Heating safety composite

Williams Plumbing and Heating scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 28%), 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

38/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.82 per 100 workers

Safer than 28% of industry peers

DART rate
D 1.86 per 100 workers

Safer than 41% 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%).

TCR Δ

−4.2

2018→2023

Williams Plumbing and Heating injury rate improved

Williams Plumbing and Heating's TCR fell 4.2 from 7.9 in 2018 to 3.7 in 2023. Peak filing year was 2018 at 7.9 TCR. In 2023, DART was 0.32× this establishment's average TCR (severity share of cases).

2018=7.9 · 2022=5.8 · 2023=3.7

OSHA ITA Form 300A scorecard

Establishment book 238220 · Bozeman, MT ABOVE-IND · MID

Grade F · TCR 5.8 · 208% of ind

  • DART 1.9 DART
  • RANK #9/20
  • PHOTO Clark Service Group
  • BOOK 3y book
  • INJ 34 inj
  • SIZE ~241 FTE

Nearest TCR peer: Clark Service Group (0.0 TCR gap)

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

Williams Plumbing and Heating in the TCR neighbourhood

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

TCR

What this shows Williams Plumbing and Heating averages 5.8 TCR (208% 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

Williams Plumbing and Heating TCR series: 2018=7.9 · 2022=5.8 · 2023=3.7 · BLS 2.8

Where Williams Plumbing and Heating falls in its industry

5,793 Air system balancing and testi establishments

Safer than 28% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Montana alone (the establishments it most directly competes with for workers and contracts): ranked #9 safest of 20 Air system balancing and testi employers in Montana.

Williams Plumbing and Heating (241 employees, TCR 5.8) 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 050100150200250300 05101520 Average employees Total Case Rate Williams Plumbing and Heating
Williams Plumbing and Heating (241 employees, TCR 5.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Williams Plumbing and Heating 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 3.7 1.9 8 0 0
2022 5.8 3.1 15 0 0
2018 7.9 3.3 11 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MT · Bozeman

5,793 Air system balancing and testing employers nationwide with a credible TCR · 1,536 rated employers in Montana with headcount on file · 136 employers in Bozeman, MT · 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 Clark Service Group 5.8 TCR
NAICS-TCR Coulee Region Mechanical Contractors, Inc. 5.8 TCR
NAICS-TCR Christianson Round Rock 5.8 TCR
NAICS-TCR Dunedin Refrigeration 5.8 TCR
STATE-SIZE Glendive Medical Center - Hospital 237 FTE
STATE-SIZE Alamon Inc 236 FTE
STATE-SIZE 6458-BILL 246 FTE
STATE-SIZE Glacier National Park - Xanterra Parks & Resorts, Inc. 236 FTE
CITY-NEAR Bozeman Health Deaconess Hospital 1,739 FTE
CITY-NEAR BZNPW9672 BZN - FRONTIER PAX R 1,543 FTE
CITY-NEAR WM 2084 359 FTE
CITY-NEAR 2084 325 FTE
NAT-TCR Alter Metal Recycling - Green Bay 5.8 TCR
NAT-TCR 10 Wilmington Place 5.8 TCR
NAT-TCR LaJoy Group, Bay City 5.8 TCR
NAT-TCR Cedar Rapids Winpump 5.8 TCR
NAT-SIZE Trident Technologies, LLC - Huntsville, AL 241 FTE
NAT-SIZE Mattoon: Distribution Cntr 241 FTE
NAT-SIZE Plant 241 FTE
NAT-SIZE Silgan Plastic Food Containers 241 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, 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.