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

Triad Mechanical Contractors, Inc.

Johns Island, SC · ~114 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Triad Mechanical Contractors, Inc. runs at 230% of its industry's injury rate - far more dangerous than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade F.

Triad Mechanical Contractors, Inc.: 6.4 TCR = 230% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 2y Form 300A (see methodology below)

Triad Mechanical Contractors, Inc. safety composite

Triad Mechanical Contractors, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 11%), 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

26/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.43 per 100 workers

Safer than 24% of industry peers

DART rate
F 6.34 per 100 workers

Safer than 11% 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

Triad Mechanical Contractors, Inc.: 5.5 → 7.4 TCR

Peak year 2020 @ 7.4 TCR · DART/TCR 0.99× in 2020

Triad Mechanical Contractors, Inc.'s TCR rose 2.0 from 5.5 in 2019 to 7.4 in 2020. In 2020, DART was 0.99× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Johns Island, SC ABOVE-IND · MID

Grade F · TCR 6.4 · 230% of ind

  • DART 6.3 DART
  • RANK #46/54
  • PHOTO Miller Mechanical Co…
  • BOOK 2y book
  • INJ 14 inj
  • SIZE ~114 FTE

Nearest TCR peer: Miller Mechanical Contractors & Engineers, LLC (0.0 TCR gap)

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

Triad Mechanical Contractors, Inc. in the TCR neighbourhood

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

TCR

What this shows Triad Mechanical Contractors, Inc. averages 6.4 TCR (230% 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

Triad Mechanical Contractors, Inc. TCR series: 2019=5.5 · 2020=7.4 · BLS 2.8

Where Triad Mechanical Contractors, Inc. falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 24% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #46 safest of 54 Heating, ventilation and air-c employers in South Carolina.

Triad Mechanical Contractors, Inc. (114 employees, TCR 6.4) 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 Triad Mechanical Contractors, Inc.
Triad Mechanical Contractors, Inc. (114 employees, TCR 6.4) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Triad Mechanical Contractors, Inc. has more 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
2020 7.4 6.3 7 0 0
2019 5.5 3.9 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · SC · Johns Island

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 7,610 rated employers in South Carolina with headcount on file · 20 employers in Johns Island, SC · 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 Miller Mechanical Contractors & Engineers, LLC 6.4 TCR
NAICS-TCR Vectra Mechanical / Flow-Rite Plumbing 6.4 TCR
NAICS-TCR RRSC's Catons Plumbing 6.4 TCR
NAICS-TCR D.D.S. MECHANICAL PLUMBING & HEATING CORP. 6.4 TCR
STATE-SIZE Celanese Enoree 114 FTE
STATE-SIZE Fiber Industries, LLC 114 FTE
STATE-SIZE Insulfab Plastics, Inc. 114 FTE
STATE-SIZE 3442 114 FTE
CITY-NEAR Kiawah Resort Associates 407 FTE
CITY-NEAR Seabrook Island Club 235 FTE
CITY-NEAR Store 1145 179 FTE
CITY-NEAR 6921-00451 115 FTE
NAT-TCR DEN 6.4 TCR
NAT-TCR Jefferson Memorial Hospital 6.4 TCR
NAT-TCR CA179 6.4 TCR
NAT-TCR National Container Group 6.4 TCR
NAT-SIZE Enterprise 1E 114 FTE
NAT-SIZE Baypoint Village 114 FTE
NAT-SIZE Berry Plastics Industrial 114 FTE
NAT-SIZE Lykins Oil Company 114 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.