Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation · Ohio

Mechanical Systems of Dayton Inc.

Dayton, OH · ~165 workers · 5 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.7
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Mechanical Systems of Dayton Inc. runs at 96% of its industry's injury rate - about level with the typical Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation workplace, earning a grade C.

Mechanical Systems of Dayton Inc.: 2.7 TCR = 96% of Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation BLS 2.8 · 5y Form 300A (see methodology below)

Mechanical Systems of Dayton Inc. safety composite

Mechanical Systems of Dayton Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

C

64/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.69 per 100 workers

Safer than 58% 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

−1.1

2016→2020

Mechanical Systems of Dayton Inc. injury rate improved

Mechanical Systems of Dayton Inc.'s TCR fell 1.1 from 4.0 in 2016 to 2.9 in 2020. Peak filing year was 2016 at 4.0 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2016=4.0 · 2017=2.1 · 2018=1.9 · 2019=2.4 · 2020=2.9

OSHA ITA Form 300A scorecard

Establishment book 238220 · Dayton, OH AT/BELOW-IND · MID

Grade C · TCR 2.7 · 96% of ind

  • DART 0.0 DART
  • RANK #144/300
  • PHOTO Egan Plumbing Inc
  • BOOK 5y book
  • INJ 17 inj
  • SIZE ~165 FTE

Nearest TCR peer: Egan Plumbing Inc (0.0 TCR gap)

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Mechanical Systems of Dayton Inc. in the TCR neighbourhood

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

TCR

What this shows Mechanical Systems of Dayton Inc. averages 2.7 TCR (96% of the Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation BLS benchmark).

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

Mechanical Systems of Dayton Inc. TCR series: 2016=4 · 2017=2.1 · 2018=1.9 · 2019=2.4 · 2020=2.9 · BLS 2.8

Where Mechanical Systems of Dayton Inc. falls in its industry

5,793 Heating and ventilation system establishments

Safer than 58% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #144 safest of 300 Heating and ventilation system employers in Ohio.

Mechanical Systems of Dayton Inc. (165 employees, TCR 2.7) 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 Mechanical Systems of Dayton Inc.
Mechanical Systems of Dayton Inc. (165 employees, TCR 2.7) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Mechanical Systems of Dayton Inc. has more employees than the Heating and ventilation system component median and a lower 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
2020 2.9 0.0 0 5 0
2019 2.4 1.2 4 0 0
2018 1.9 0.7 3 0 0
2017 2.1 0.5 4 0 0
2016 4.0 2.0 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · OH · Dayton

5,793 Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 599 employers in Dayton, OH · 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 Egan Plumbing Inc 2.7 TCR
NAICS-TCR Brislin, Inc. 2.7 TCR
NAICS-TCR Fuller Engineering Co., L.L.C. 2.7 TCR
NAICS-TCR Aclara Smart Grid Solutions, LLC 2.7 TCR
STATE-SIZE Robertson Construction 165 FTE
STATE-SIZE Terrace Construction 165 FTE
STATE-SIZE The Shelly Company - NW Division Constructions and Operations 165 FTE
STATE-SIZE Speer Mechanical 165 FTE
CITY-NEAR Miami Valley Hospital 6,862 FTE
CITY-NEAR University of Dayton 5,359 FTE
CITY-NEAR Dayton Children's Hospital 3,590 FTE
CITY-NEAR CareSource Management Services LLC 3,172 FTE
NAT-TCR C & P Growers, Inc. 2.7 TCR
NAT-TCR Montrose Molders 2.7 TCR
NAT-TCR Pitsco Inc 2.7 TCR
NAT-TCR Rhythms Home Care 2.7 TCR
NAT-SIZE Carlyle Place, Navicent Health 165 FTE
NAT-SIZE Franklin Woods Center 165 FTE
NAT-SIZE Thielsch Engineering 165 FTE
NAT-SIZE Clyde Cosper 165 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: 2020, 2019, 2018, 2017, 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.