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

Dwyer Plumbing Inc

Lorton, VA · ~30 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Dwyer Plumbing Inc runs at 136% of its industry's injury rate - more dangerous than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade D.

Dwyer Plumbing Inc: 3.8 TCR = 136% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 2y Form 300A (see methodology below)

Dwyer Plumbing Inc safety composite

Dwyer Plumbing Inc scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 23%), 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 3.82 per 100 workers

Safer than 45% of industry peers

DART rate
F 3.85 per 100 workers

Safer than 23% 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%).

Dwyer Plumbing Inc held a steady TCR band

Dwyer Plumbing Inc's TCR held near 0.1 from 3.8 in 2019 to 3.9 in 2021. In 2021, DART was 1.01× this establishment's average TCR (severity share of cases).

2019=3.8 · 2021=3.9

OSHA ITA Form 300A scorecard

Establishment book 238220 · Lorton, VA ABOVE-IND · SMALL

Grade D · TCR 3.8 · 136% of ind

  • DART 3.9 DART
  • RANK #99/152
  • PHOTO Coastal Mechanical
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~30 FTE

Nearest TCR peer: Coastal Mechanical (0.0 TCR gap)

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

Dwyer Plumbing Inc in the TCR neighbourhood

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

TCR

What this shows Dwyer Plumbing Inc averages 3.8 TCR (136% 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

Dwyer Plumbing Inc TCR series: 2019=3.8 · 2021=3.9 · BLS 2.8

Where Dwyer Plumbing Inc falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 45% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Virginia alone (the establishments it most directly competes with for workers and contracts): ranked #99 safest of 152 Heating, ventilation and air-c employers in Virginia.

Dwyer Plumbing Inc (30 employees, TCR 3.8) 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 050100150200250 05101520 Average employees Total Case Rate Dwyer Plumbing Inc
Dwyer Plumbing Inc (30 employees, TCR 3.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Dwyer Plumbing Inc 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
2021 3.9 3.9 1 0 0
2019 3.8 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · VA · Lorton

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 12,673 rated employers in Virginia with headcount on file · 64 employers in Lorton, VA · 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 Coastal Mechanical 3.8 TCR
NAICS-TCR Sullivan Mechanical Contractors, Inc. 3.8 TCR
NAICS-TCR Proteus Inc. Delano SC 3.8 TCR
NAICS-TCR Systems Plant Services MIS03 3.8 TCR
STATE-SIZE NAES : Altavista Power Station 30 FTE
STATE-SIZE Northwest River Water Treatment Plant 30 FTE
STATE-SIZE Utilities - Wastewater Collections 30 FTE
STATE-SIZE First Class Contracting of Tidewater, LLC 30 FTE
CITY-NEAR Lorton Transportation Center 1,372 FTE
CITY-NEAR 7040 TRANSIT REGION-DIAMOND TRANSPORTATION 361 FTE
CITY-NEAR Maryland 316 FTE
CITY-NEAR Virginia 313 FTE
NAT-TCR Hobart Service Baltimore 3.8 TCR
NAT-TCR Eastview Elementary 3.8 TCR
NAT-TCR Campbell Tractor - Wendell 3.8 TCR
NAT-TCR ValleyInd Main 3.8 TCR
NAT-SIZE Sealaska Environmental Services, LLC (Poulsbo) 30 FTE
NAT-SIZE West Langhorne FS (SSS, CSS) 30 FTE
NAT-SIZE Ruan Transport Corporation T-023 30 FTE
NAT-SIZE The DM Burr Group - Davison Public Schools 30 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: 2021, 2019. 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.