Plumbing contractors · Arizona

Marlin Mechanical Corporation

Phoenix, AZ · ~64 workers · 5 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
10.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Marlin Mechanical Corporation runs at 361% of its industry's injury rate - far more dangerous than the typical Plumbing contractors workplace, earning a grade F.

Marlin Mechanical Corporation: 10.1 TCR = 361% of Plumbing contractors BLS 2.8 · 5y Form 300A (see methodology below)

Marlin Mechanical Corporation safety composite

Marlin Mechanical Corporation 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 10.11 per 100 workers

Safer than 10% of industry peers

DART rate
F 7.2 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%).

Marlin Mechanical Corporation held a steady TCR band

Marlin Mechanical Corporation's TCR held near 0.1 from 7.1 in 2019 to 7.2 in 2024. Peak filing year was 2020 at 14.0 TCR. In 2024, DART was 0.71× this establishment's average TCR (severity share of cases).

2019=7.1 · 2020=14.0 · 2022=9.2 · 2023=13.0 · 2024=7.2

OSHA ITA Form 300A scorecard

Establishment book 238220 · Phoenix, AZ ABOVE-IND · SMALL

Grade F · TCR 10.1 · 361% of ind

  • DART 7.2 DART
  • RANK #110/131
  • PHOTO 4368_9002
  • BOOK 5y book
  • INJ 29 inj
  • SIZE ~64 FTE

Nearest TCR peer: 4368_9002 (0.0 TCR gap)

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

Marlin Mechanical Corporation in the TCR neighbourhood

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

TCR

What this shows Marlin Mechanical Corporation averages 10.1 TCR (361% of the Plumbing contractors BLS benchmark).

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

Marlin Mechanical Corporation TCR series: 2019=7.1 · 2020=14 · 2022=9.2 · 2023=13 · 2024=7.2 · BLS 2.8

Where Marlin Mechanical Corporation falls in its industry

5,793 Plumbing contractors establishments

Safer than 10% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #110 safest of 131 Plumbing contractors employers in Arizona.

Marlin Mechanical Corporation (64 employees, TCR 10.1) 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 Marlin Mechanical Corporation
Marlin Mechanical Corporation (64 employees, TCR 10.1) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Marlin Mechanical Corporation has more employees than the Plumbing contractors 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
2024 7.2 7.2 3 0 0
2023 13.0 9.3 7 0 0
2022 9.2 7.7 6 0 0
2020 14.0 7.8 9 0 0
2019 7.1 5.3 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · AZ · Phoenix

5,793 Plumbing contractors employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 2,630 employers in Phoenix, AZ · 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 4368_9002 10.1 TCR
NAICS-TCR Ressler & Mateer, Inc. 10.1 TCR
NAICS-TCR HVAC 10.1 TCR
NAICS-TCR BILL'S HEATING INC 10.1 TCR
STATE-SIZE Tofel Dent Construction 64 FTE
STATE-SIZE Southwest Concrete Paving Co. 64 FTE
STATE-SIZE ALK Asphalt, LLC 64 FTE
STATE-SIZE Solar Gain Inc 64 FTE
CITY-NEAR Maricopa County 15,504 FTE
CITY-NEAR Phoenix Children's Hospital 7,575 FTE
CITY-NEAR All Company 6,261 FTE
CITY-NEAR 6403-64030500 6,153 FTE
NAT-TCR Store 8017 10.1 TCR
NAT-TCR Black Star Ranch, LLC 10.1 TCR
NAT-TCR Albany NY FXFE-ALB 10.1 TCR
NAT-TCR National Management Resources Quincy University 10.1 TCR
NAT-SIZE Nashville 64 FTE
NAT-SIZE Kent Nutrition Group- Arcade 64 FTE
NAT-SIZE Hydro Commerce 64 FTE
NAT-SIZE Runnings of Watertown 64 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, 2022, 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.