Mechanical contractors · Maine

Harry E. Nason Inc. dba Nason Mechanical Systems

Auburn, ME · ~44 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Harry E. Nason Inc. dba Nason Mechanical Systems runs at 403% of its industry's injury rate - far more dangerous than the typical Mechanical contractors workplace, earning a grade F.

Harry E. Nason Inc. dba Nason Mechanical Systems: 11.3 TCR = 403% of Mechanical contractors BLS 2.8 · 2y Form 300A (see methodology below)

Harry E. Nason Inc. dba Nason Mechanical Systems safety composite

Harry E. Nason Inc. dba Nason Mechanical Systems scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 8%), 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

44/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.27 per 100 workers

Safer than 8% 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%).

TCR Δ

−22.5

2022→2023

Harry E. Nason Inc. dba Nason Mechanical Systems injury rate improved

Harry E. Nason Inc. dba Nason Mechanical Systems's TCR fell 22.5 from 22.5 in 2022 to 0.0 in 2023. Peak filing year was 2022 at 22.5 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2022=22.5 · 2023=0.0

OSHA ITA Form 300A scorecard

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

Grade F · TCR 11.3 · 403% of ind

  • DART 0.0 DART
  • RANK #20/27
  • PHOTO GLAXO SMITH KLINE SW…
  • BOOK 2y book
  • INJ 7 inj
  • SIZE ~44 FTE

Nearest TCR peer: GLAXO SMITH KLINE SWEDELAND (0.0 TCR gap)

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

Harry E. Nason Inc. dba Nason Mechanical Systems in the TCR neighbourhood

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

TCR

What this shows Harry E. Nason Inc. dba Nason Mechanical Systems averages 11.3 TCR (403% of the Mechanical contractors BLS benchmark).

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

Harry E. Nason Inc. dba Nason Mechanical Systems TCR series: 2022=22.5 · 2023=0 · BLS 2.8

Where Harry E. Nason Inc. dba Nason Mechanical Systems falls in its industry

5,793 Mechanical contractors establishments

Safer than 8% 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 #20 safest of 27 Mechanical contractors employers in Maine.

Harry E. Nason Inc. dba Nason Mechanical Systems (44 employees, TCR 11.3) 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 050100150200250 05101520 Average employees Total Case Rate Harry E. Nason Inc. dba Nason Mechanical Systems
Harry E. Nason Inc. dba Nason Mechanical Systems (44 employees, TCR 11.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Harry E. Nason Inc. dba Nason Mechanical Systems has fewer employees than the Mechanical contractors 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 0.0 0.0 0 0 0
2022 22.5 16.1 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · ME · Auburn

5,793 Mechanical contractors employers nationwide with a credible TCR · 2,397 rated employers in Maine with headcount on file · 100 employers in Auburn, 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 GLAXO SMITH KLINE SWEDELAND 11.3 TCR
NAICS-TCR GEORGE BRAZIL AIR CONDITIONING & HEATING 11.3 TCR
NAICS-TCR PlumbWorks 11.3 TCR
NAICS-TCR 2681_5131 11.3 TCR
STATE-SIZE Cherryfield Foods inc - Farm division 44 FTE
STATE-SIZE Wellness Connection of Maine Auburn 44 FTE
STATE-SIZE Khiel Logging - Home Base 44 FTE
STATE-SIZE AMC - Canco Road 44 FTE
CITY-NEAR John F Murphy Homes, Inc 807 FTE
CITY-NEAR WM 1868 490 FTE
CITY-NEAR 1868 424 FTE
CITY-NEAR Pioneer Plastics - Auburn 411 FTE
NAT-TCR Atria North Point 11.3 TCR
NAT-TCR Douglas Corporation 11.3 TCR
NAT-TCR Tear A Part, LLC (Salt Lake City) 11.3 TCR
NAT-TCR Newaygo Medical Care Facility 11.3 TCR
NAT-SIZE Berkeley Forge 44 FTE
NAT-SIZE Centerlight Healthcare Allerton 44 FTE
NAT-SIZE Beach 41st St/Oceanside 44 FTE
NAT-SIZE Forman Glass 44 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.