Mechanical contractors · Florida

Harper - Lake Mary

Lake Mary, FL · ~234 workers · 5 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Harper - Lake Mary runs at 80% of its industry's injury rate - safer than the typical Mechanical contractors workplace, earning a grade B.

Harper - Lake Mary: 2.2 TCR = 80% of Mechanical contractors BLS 2.8 · 5y Form 300A (see methodology below)

Harper - Lake Mary safety composite

Harper - Lake Mary scores strongest on total case rate (tcr) (safer than 65% of same-industry peers) and weakest on dart rate (safer than 35%), 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

51/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.23 per 100 workers

Safer than 65% of industry peers

DART rate
D 2.35 per 100 workers

Safer than 35% 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%).

Harper - Lake Mary held a steady TCR band

Harper - Lake Mary's TCR held near 0.0 from 2.8 in 2017 to 2.8 in 2021. In 2021, DART was 1.05× this establishment's average TCR (severity share of cases).

2017=2.8 · 2018=2.0 · 2019=1.7 · 2020=1.9 · 2021=2.8

OSHA ITA Form 300A scorecard

Establishment book 238220 · Lake Mary, FL AT/BELOW-IND · MID

Grade B · TCR 2.2 · 80% of ind

  • DART 2.4 DART
  • RANK #122/425
  • PHOTO Arctic Sheet Metal, …
  • BOOK 5y book
  • INJ 28 inj
  • SIZE ~234 FTE

Nearest TCR peer: Arctic Sheet Metal, Inc. - Portland, OR (0.0 TCR gap)

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

Harper - Lake Mary in the TCR neighbourhood

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

TCR

What this shows Harper - Lake Mary averages 2.2 TCR (80% of the Mechanical contractors BLS benchmark).

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

Harper - Lake Mary TCR series: 2017=2.8 · 2018=2 · 2019=1.7 · 2020=1.9 · 2021=2.8 · BLS 2.8

Where Harper - Lake Mary falls in its industry

5,793 Mechanical contractors establishments

Safer than 65% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Florida alone (the establishments it most directly competes with for workers and contracts): ranked #122 safest of 425 Mechanical contractors employers in Florida.

Harper - Lake Mary (234 employees, TCR 2.2) 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 Harper - Lake Mary
Harper - Lake Mary (234 employees, TCR 2.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Harper - Lake Mary has more employees than the Mechanical contractors 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
2021 2.8 2.4 6 0 0
2020 1.9 1.4 4 0 0
2019 1.7 1.3 5 0 0
2018 2.0 1.5 4 0 0
2017 2.8 2.5 9 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · FL · Lake Mary

5,793 Mechanical contractors employers nationwide with a credible TCR · 26,569 rated employers in Florida with headcount on file · 87 employers in Lake Mary, FL · 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 Arctic Sheet Metal, Inc. - Portland, OR 2.2 TCR
NAICS-TCR HEICHEL PLUMBING, INC 2.2 TCR
NAICS-TCR Adams Plumbing & Heating, Inc. 2.2 TCR
NAICS-TCR Tweet/Garot Mechanical, Inc 2.2 TCR
STATE-SIZE Pacific Tomato Growers, Ltd/PTG Management Co. - Palmetto Location 234 FTE
STATE-SIZE Orlando - MB 234 FTE
STATE-SIZE WM 3415 234 FTE
STATE-SIZE CHHJ Franchising LLC 234 FTE
CITY-NEAR FL357662 1,307 FTE
CITY-NEAR FL0361VS 1,167 FTE
CITY-NEAR FL0361CV3 957 FTE
CITY-NEAR Lake Mary FL Office Location 654 FTE
NAT-TCR Shiloh Dickson 2.2 TCR
NAT-TCR Onecbi LLC 2.2 TCR
NAT-TCR Fairfield Processing- ST. Louis, MO 2.2 TCR
NAT-TCR BEST Contracting Services Inc 2.2 TCR
NAT-SIZE Patterson Logistics Services 1 234 FTE
NAT-SIZE Baker Triangle Austin 234 FTE
NAT-SIZE MKB Construction Inc. 234 FTE
NAT-SIZE ASARCO-Amarillo Copper Refinery 234 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, 2020, 2019, 2018, 2017. 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.