238220 Plumbing, Heating, and Air-Conditioning Contractors · California

Hiller San Diego

San Diego, CA · ~170 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Hiller San Diego runs at 175% of its industry's injury rate - more dangerous than the typical 238220 Plumbing, Heating, and Air-Conditioning Contractors workplace, earning a grade D.

Hiller San Diego: 4.9 TCR = 175% of 238220 Plumbing, Heating, and Air-Conditioning Contractors BLS 2.8 · 2y Form 300A (see methodology below)

Hiller San Diego safety composite

Hiller San Diego scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 21%), 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

34/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.89 per 100 workers

Safer than 35% of industry peers

DART rate
F 4.04 per 100 workers

Safer than 21% 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

Hiller San Diego: 4.4 → 5.4 TCR

Peak year 2024 @ 5.4 TCR · DART/TCR 0.83× in 2024

Hiller San Diego's TCR rose 1.0 from 4.4 in 2023 to 5.4 in 2024. In 2024, DART was 0.83× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · San Diego, CA ABOVE-IND · MID

Grade D · TCR 4.9 · 175% of ind

  • DART 4.0 DART
  • RANK #357/594
  • PHOTO B & Z Services, Inc
  • BOOK 2y book
  • INJ 15 inj
  • SIZE ~170 FTE

Nearest TCR peer: B & Z Services, Inc (0.0 TCR gap)

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

Hiller San Diego in the TCR neighbourhood

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

TCR

What this shows Hiller San Diego averages 4.9 TCR (175% of the 238220 Plumbing, Heating, and Air-Conditioning Contractors BLS benchmark).

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

Hiller San Diego TCR series: 2023=4.4 · 2024=5.4 · BLS 2.8

Where Hiller San Diego falls in its industry

5,793 238220 Plumbing, Heating, and establishments

Safer than 35% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #357 safest of 594 238220 Plumbing, Heating, and employers in California.

Hiller San Diego (170 employees, TCR 4.9) 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 Hiller San Diego
Hiller San Diego (170 employees, TCR 4.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Hiller San Diego has more employees than the 238220 Plumbing, Heating, and Air-Condit 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 5.4 4.0 8 0 0
2023 4.4 3.8 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · San Diego

5,793 238220 Plumbing, Heating, and Air-Conditioning Contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,979 employers in San Diego, CA · 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 B & Z Services, Inc 4.9 TCR
NAICS-TCR Revere Mechanical, LLC 4.9 TCR
NAICS-TCR HOME POWER SYSTEMS 4.9 TCR
NAICS-TCR Batjer & Associates 4.9 TCR
STATE-SIZE MERRILL FARMS LLC 170 FTE
STATE-SIZE RICHMOND SERVICE CENTER 170 FTE
STATE-SIZE Shaw & Sons, Inc. 170 FTE
STATE-SIZE DiCarlo Concrete, Inc. 170 FTE
CITY-NEAR UC San Diego Health 9,310 FTE
CITY-NEAR General Atomics 8,108 FTE
CITY-NEAR Health Human Services Agency 6,080 FTE
CITY-NEAR National University 4,955 FTE
NAT-TCR North Branch Clinic and Pharm 4.9 TCR
NAT-TCR Prsjn - San Juan 4.9 TCR
NAT-TCR Vasan - Richmond 4.9 TCR
NAT-TCR Runge Painting Company, Inc. 4.9 TCR
NAT-SIZE Maplewood Beverage Packers, LLC 170 FTE
NAT-SIZE Kiel 170 FTE
NAT-SIZE Wabre - Bremerton 170 FTE
NAT-SIZE Wilbert Plastics Services 170 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.