Horizontal drilling (e.g., underground cable, pipeline, sewer installation) · Hawaii

Island Mechanical Corp

Kapolei, HI · ~34 workers · 4 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Island Mechanical Corp runs at 104% of its industry's injury rate - about level with the typical Horizontal drilling (e.g., underground cable, pipeline, sewer installation) workplace, earning a grade C.

Island Mechanical Corp: 2.9 TCR = 104% of Horizontal drilling (e.g., underground cable, pipeline, sewer installation) BLS 2.8 · 4y Form 300A (see methodology below)

Island Mechanical Corp safety composite

Island Mechanical Corp scores strongest on dart rate (safer than 73% of same-industry peers) and weakest on total case rate (tcr) (safer than 28%), 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

50/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 2.9 per 100 workers

Safer than 28% of industry peers

DART rate
C 0 per 100 workers

Safer than 73% of industry peers

Fatalities
D 0

Safer than 52% 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

−0.9

2019→2022

Island Mechanical Corp injury rate improved

Island Mechanical Corp's TCR fell 0.9 from 3.3 in 2019 to 2.5 in 2022. Peak filing year was 2020 at 5.8 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

2019=3.3 · 2020=5.8 · 2021=0.0 · 2022=2.5

OSHA ITA Form 300A scorecard

Establishment book 237990 · Kapolei, HI ABOVE-IND · SMALL

Grade C · TCR 2.9 · 104% of ind

  • DART 0.0 DART
  • RANK #6/9
  • PHOTO MLJ Contracting
  • BOOK 4y book
  • INJ 4 inj
  • SIZE ~34 FTE

Nearest TCR peer: MLJ Contracting (0.0 TCR gap)

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

Island Mechanical Corp in the TCR neighbourhood

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

TCR

What this shows Island Mechanical Corp averages 2.9 TCR (104% of the Horizontal drilling (e.g., underground cable, pipeline, sewer installation) BLS benchmark).

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

Island Mechanical Corp TCR series: 2019=3.3 · 2020=5.8 · 2021=0 · 2022=2.5 · BLS 2.8

Where Island Mechanical Corp falls in its industry

932 Horizontal drilling (e.g., und establishments

Safer than 28% of graded establishments in this industry, whose median TCR is 1.5.

More dangerous than peersSafer than peers

Narrower to Hawaii alone (the establishments it most directly competes with for workers and contracts): ranked #6 safest of 9 Horizontal drilling (e.g., und employers in Hawaii.

Island Mechanical Corp (34 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 1.5 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 05001,0001,500 051015 Average employees Total Case Rate Island Mechanical Corp
Island Mechanical Corp (34 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 1.5

Island Mechanical Corp has fewer employees than the Horizontal drilling (e.g., underground c median and a higher injury rate than the industry's median TCR of 1.5. 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
2022 2.5 0.0 1 0 0
2021 0.0 0.0 0 0 0
2020 5.8 5.8 2 0 0
2019 3.3 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237990 · HI · Kapolei

932 Horizontal drilling (e.g., underground cable, pipeline, sewer installation) employers nationwide with a credible TCR · 2,022 rated employers in Hawaii with headcount on file · 119 employers in Kapolei, HI · 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 MLJ Contracting 2.9 TCR
NAICS-TCR The Fain Group 2.9 TCR
NAICS-TCR RailWorks Transit-Farmingdale 2.9 TCR
NAICS-TCR Harrison Western Construction 2.9 TCR
STATE-SIZE 10446 NIIHAU RANCH, LLC 34 FTE
STATE-SIZE Kunia, HI - Upper Kunia 34 FTE
STATE-SIZE 14304 GENTRY HOMES, LTD. 34 FTE
STATE-SIZE Climate Pros Honolulu 34 FTE
CITY-NEAR Disney Vacation Club Hawaii Management Company, LLC, dba Aulani, A Disney Resort & Spa 1,613 FTE
CITY-NEAR Disney Vacation Club Hawaii Mgmt Co., LLC, dba Aulani, A Disney Resort & Spa, Ko Olina, Hawaii 1,584 FTE
CITY-NEAR City and County of Honolulu - Department of Environmental Services 913 FTE
CITY-NEAR Four Seasons Resort Ko Olina 668 FTE
NAT-TCR Bed Bath and Beyond Gastonia 2.9 TCR
NAT-TCR 1229 - Miami Fl Whse 2.9 TCR
NAT-TCR RTP 2.9 TCR
NAT-TCR Stillwater Medical Clinic 2.9 TCR
NAT-SIZE Omnimax 34 FTE
NAT-SIZE Social Vocational Services #142 34 FTE
NAT-SIZE Bed Bath and Beyond Falls Church 34 FTE
NAT-SIZE Bed Bath and Beyond Delray Beach 34 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: 2022, 2021, 2020, 2019. 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.