Heating, ventilation and air-conditioning (HVAC) contractors · Maine

W.H. Demmons

Portland, ME · ~40 workers · 9 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.7
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

W.H. Demmons runs at 166% of its industry's injury rate - more dangerous than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade D.

W.H. Demmons: 4.7 TCR = 166% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 9y Form 300A (see methodology below)

W.H. Demmons safety composite

W.H. Demmons scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 34%), 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

39/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.66 per 100 workers

Safer than 37% of industry peers

DART rate
F 2.54 per 100 workers

Safer than 34% 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

W.H. Demmons: 0.0 → 10.2 TCR

Peak year 2024 @ 10.2 TCR · DART/TCR 0.55× in 2024

W.H. Demmons's TCR rose 10.2 from 0.0 in 2016 to 10.2 in 2024. In 2024, DART was 0.55× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Portland, ME ABOVE-IND · SMALL

Grade D · TCR 4.7 · 166% of ind

  • DART 2.5 DART
  • RANK #6/27
  • PHOTO Inspector Drain, Inc
  • BOOK 9y book
  • INJ 17 inj
  • SIZE ~40 FTE

Nearest TCR peer: Inspector Drain, Inc (0.0 TCR gap)

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

W.H. Demmons in the TCR neighbourhood

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

TCR

What this shows W.H. Demmons averages 4.7 TCR (166% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

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

W.H. Demmons TCR series: 2016=0 · 2017=3.8 · 2018=0 · 2019=2.8 · 2020=5.8 · 2021=6.8 · 2022=4.4 · 2023=8.1 · 2024=10.2 · BLS 2.8

Where W.H. Demmons falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 37% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Maine alone (the establishments it most directly competes with for workers and contracts): ranked #6 safest of 27 Heating, ventilation and air-c employers in Maine.

W.H. Demmons (40 employees, TCR 4.7) 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 W.H. Demmons
W.H. Demmons (40 employees, TCR 4.7) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

W.H. Demmons has fewer employees than the Heating, ventilation and air-conditionin 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 10.2 2.5 4 0 0
2023 8.1 5.4 3 0 0
2022 4.4 2.9 3 0 0
2021 6.8 6.8 3 0 0
2020 5.8 5.8 2 0 0
2019 2.8 2.8 1 0 0
2018 0.0 0.0 0 0 0
2017 3.8 3.8 1 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · ME · Portland

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 2,397 rated employers in Maine with headcount on file · 244 employers in Portland, ME · 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 Inspector Drain, Inc 4.7 TCR
NAICS-TCR Mechanical Solutions Construction Inc 4.7 TCR
NAICS-TCR Residential Fire Systems Inc. 4.7 TCR
NAICS-TCR Shakley Mechanical Inc 4.7 TCR
STATE-SIZE Eastern Maine Electric Cooperation, Inc. 40 FTE
STATE-SIZE CMP - Brunswick Service Building 40 FTE
STATE-SIZE Prock Marine Company 40 FTE
STATE-SIZE V.L. Tammaro Oil Co. Inc. 40 FTE
CITY-NEAR MMC 8,437 FTE
CITY-NEAR MMC- 22 Bram 5,535 FTE
CITY-NEAR Point32Health Portland 4,440 FTE
CITY-NEAR MMP Practices 2,063 FTE
NAT-TCR 55451 Cobb County 4.7 TCR
NAT-TCR Garrett Motors, Inc 4.7 TCR
NAT-TCR Arden Courts of Fair Oaks 4.7 TCR
NAT-TCR Store 445 4.7 TCR
NAT-SIZE D49 Boise 40 FTE
NAT-SIZE Saint Marys Pa 40 FTE
NAT-SIZE Brookdale Tamarac Square 40 FTE
NAT-SIZE El Mercado De Colorado 40 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.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.