Fabrication and erection · Ohio

Ontario Mechanical LLC

Mansfield, OH · ~30 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
10.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Ontario Mechanical LLC runs at 315% of its industry's injury rate - far more dangerous than the typical Fabrication and erection workplace, earning a grade F.

Ontario Mechanical LLC: 10.4 TCR = 315% of Fabrication and erection BLS 3.3 · 2y Form 300A (see methodology below)

Ontario Mechanical LLC safety composite

Ontario Mechanical LLC scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 9%), 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).

F

20/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 10.41 per 100 workers

Safer than 10% of industry peers

DART rate
F 8.2 per 100 workers

Safer than 9% 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

Ontario Mechanical LLC: 8.5 → 12.3 TCR

Peak year 2024 @ 12.3 TCR · DART/TCR 0.79× in 2024

Ontario Mechanical LLC's TCR rose 3.8 from 8.5 in 2023 to 12.3 in 2024. In 2024, DART was 0.79× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 332322 · Mansfield, OH ABOVE-IND · SMALL

Grade F · TCR 10.4 · 315% of ind

  • DART 8.2 DART
  • RANK #84/90
  • PHOTO Aero Heating & Venti…
  • BOOK 2y book
  • INJ 5 inj
  • SIZE ~30 FTE

Nearest TCR peer: Aero Heating & Ventilating (0.0 TCR gap)

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

Ontario Mechanical LLC in the TCR neighbourhood

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

TCR

What this shows Ontario Mechanical LLC averages 10.4 TCR (315% of the Fabrication and erection BLS benchmark).

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

Ontario Mechanical LLC TCR series: 2023=8.5 · 2024=12.3 · BLS 3.3

Where Ontario Mechanical LLC falls in its industry

1,158 Fabrication and erection establishments

Safer than 10% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #84 safest of 90 Fabrication and erection employers in Ohio.

Ontario Mechanical LLC (30 employees, TCR 10.4) among 29 same-industry peers, split at the industry median of 58 employees and a TCR of 4.5 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 050100150200 05101520 Average employees Total Case Rate Ontario Mechanical LLC
Ontario Mechanical LLC (30 employees, TCR 10.4) among 29 same-industry peers, split at the industry median of 58 employees and a TCR of 4.5

Ontario Mechanical LLC has fewer employees than the Fabrication and erection median and a higher injury rate than the industry's median TCR of 4.5. 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 12.3 8.2 3 0 0
2023 8.5 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332322 · OH · Mansfield

1,158 Fabrication and erection employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 164 employers in Mansfield, 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 Aero Heating & Ventilating 10.4 TCR
NAICS-TCR Mishawaka Sheet Metal 10.4 TCR
NAICS-TCR Precision Metal Works, LLC 10.4 TCR
NAICS-TCR Plant 11B HV- Lake Air 10.5 TCR
STATE-SIZE Tuente Farms Inc 30 FTE
STATE-SIZE Farm 3 30 FTE
STATE-SIZE Trillium Farms Layer 6 30 FTE
STATE-SIZE Canton Hatchery 30 FTE
CITY-NEAR MedCentral Hospital 2,732 FTE
CITY-NEAR Newman Technology, Inc 794 FTE
CITY-NEAR Avita Health System Ontario Location 485 FTE
CITY-NEAR Broshco Fabricated Products 468 FTE
NAT-TCR Casemer Tool and Machine - South Plant 10.4 TCR
NAT-TCR Kentucky Hatchery (CV) 10.4 TCR
NAT-TCR Thief River Falls 10.4 TCR
NAT-TCR Advanced Coatings Inc. - Oshkosh 10.4 TCR
NAT-SIZE Oakwood Hills 30 FTE
NAT-SIZE The Waterford at Ironbridge 30 FTE
NAT-SIZE Chipola Timber Harvesting, LLC 30 FTE
NAT-SIZE BrandSafway Industries LLC - AEP - Rockport Power Station-IN 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: 2024, 2023. 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.